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Center for THz-driven Biological Systems

2015


Eom, K., Son, H., Jeong, J.-Y., Kim, S., Park, G.-S. "Accelerated terahertz water dynamics under osmotic interaction of lipid bilayers and polyethylene glycol", IRMMW-THz 2015 - 40th International Conference on Infrared, Millimeter, and Terahertz Waves 7327501 

 

Bhattacharya, R., Baek, I.-K., Lee, J.S., Kim, Y.H., Park, G.-S. "Investigation of emission capability of reduced graphene oxide film cathode for terahertz vacuum electron devices ", IRMMW-THz 2015 - 40th International Conference on Infrared, Millimeter, and Terahertz Waves 7327810  

 

Kim, S., Baek, I.-K., Kwon, O., Min, S.-H., Park, G.-S. "Electromagnetic field enhancement in metallic metamaterials : A potential for compact terahertz free-electron lasers ", IRMMW-THz 2015 - 40th International Conference on Infrared, Millimeter, and Terahertz Waves 7327854 

 

Baek, I.-K., Bhattacharya, R., Lee, J.S., Kim, Y.H., Park, G.-S. "Conditioning of vertically aligned reduced graphene oxide film electron emitter for terahertz vacuum electronic devices", IRMMW-THz 2015 - 40th International Conference on Infrared, Millimeter, and Terahertz Waves 7327735  

 

Kim, S., Baek, I.-K., Kwori, O., Min, S.-H., Park, G.-S. "Enhanced radiation in a modified metallic metamaterial driven by pre-bunched electrons", Proceedings of 2015 IEEE International Vacuum Electronics Conference, IVEC 2015 7223819 

 

 

2014


Barik, R.K., Bisht, M.S., Raju, R.S., Park, G.-S. "Nanoparticle-based thermionic cathode for THz device application", 2014 10th International Vacuum Electron Sources Conference, IVESC 2014 and 2nd International Conference on Emission Electronics, ICEE 2014 - Proceedings 6891949 

 

Choi, D.-H., Son, H., Jeong, J.-Y., Park, I.-K., Park, G.-S. "Salt-induced change in lipid hydration", International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 6956416 

 

Guo, G., Wei, Y., Gong, Y., Duan, Z., Park, G.-S. "Analysis of the three types of folded waveguide slow-wave structure for 140GHz traveling wave tube", IEEE International Vacuum Electronics Conference, IVEC 2014 6857612, pp. 307-308 

 

Sattorov, M., Kwon, O., Min, S.-H., Perkins, M.P., Burke, A.T. "Suppression of TE mode oscillation in PPM-focused S-band sheet beam klystrons", IEEE International Vacuum Electronics Conference, IVEC 2014 6857472, pp. 25-26 

 

 

2013


Choi, D.-H., Son, H., Jung, S., Park, J., Park, G.-S. "Quantitative study of lipid head group effect on long-range hydration dynamics with terahertz spectroscopy", International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 6665548 

 

Son, H., Choi, D.-H., Jung, S., Cheng, R.H., Park, G.-S. "Structure-specific THz response on DNA condensation", International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 6665816 

 

Bera, A., Sattorov, M.A., Kwon, O.J., Min, S.H., Park, G.S. "Cherenkov-like radiation from metallic metamaterials", 14th IEEE International Vacuum Electronics Conference, IVEC 2013 - Proceedings 6571143 

 

Min, S.H., Kwon, O., Sattorov, M., So, J.H., Park, G.S. "Power estimation of electromagnetic coupling effectiveness by a X-band backward wave oscillator with mode conversion", 14th IEEE International Vacuum Electronics Conference, IVEC 2013 - Proceedings 657116

 

Barik, R.K., Bera, A., Tanwar, A.K., Kwon, O.J., Park, G.-S. "Sol-gel synthesis of Sc2O3 doped W nano-particle for cathode application", 14th IEEE International Vacuum Electronics Conference, IVEC 2013 - Proceedings 6571142 

 

 

2012


Sattorov, M.A., Khutoryan, E., Lukin, K., Park, G.-S., Kwon, O. "Automodulation processes in THz resonant backward wave oscillator with low focusing magnetic field", International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 6380269  

 

Son, H., Choi, D.-H., Jung, S., Kwon, O.S., Park, G.-S. "Determination of relaxation time of DNA hydration water by THz-TDS", International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 6380182 

 

Choi, D.-H., Son, H., Jung, S., Kwon, O.S., Park, G.-S. "Non-bulk-like behavior of hydration water on fluid phase lipids revealed by terahertz (THz) spectroscopy", International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 6380130

 

Barik, R.K., Tanwar, A.K., Baek, I.K., Kwon, O.J., Park, G.-S. "Study of dispenser cathode development for terahertz vacuum devices application", International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 6380350 

 

Eom, K.H., Peltek, S.E., Popik, V.M., So, J.H., Park, G.S. "Irradiative damage characterization of a lysozyme during high-power THz ablation using MALDI-TOF mass spectrometry", International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 6380233  

 

Kim, S., Kwon, O., Baek, I.-K., Park, W.-Y., Park, G.-S. "Bending transmission of human hair at terahertz frequency regime", International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 6380391 

 

Bera, A., Barik, R.K., Min, S.-H., Sattorov, M.A., Park, G.-S. "Enhanced Smith-Purcell radiation in frequency independent dielectric grating", 2012 IEEE 13th International Vacuum Electronics Conference, IVEC 2012 6262115, pp. 157-158 

 

Barik, R.K., Tanwar, A.K., Baek, I.K., Kwon, O.J., Park, G.S. "Effect of surface roughness of high current density nano-particle cathode for terahertz vacuum devices application", 2012 IEEE 13th International Vacuum Electronics Conference, IVEC 2012 6262199, pp. 369-370  

 

Sattorov, M., Khutoryan, E., Lukin, K., Sharma, A., Tanwar, A. "Experimental study on 0.1 THz clinotron", 2012 IEEE 13th International Vacuum Electronics Conference, IVEC 2012 6262236, pp. 453-454 

 

 

2011


Sattorov, M.A., Park, G.S., Lukin, K.A., Mil'cho, M.V. "Beam-wave interaction in 0.1 THz clinotron",  IRMMW-THz 2011 - 36th International Conference on Infrared, Millimeter, and Terahertz Waves 6105032

 

So, J. K., M. Sattorov, et al. (2011). Non-bloch THz surface plasmons on 1D plasmonic metamaterials, Houston, TX.

 

Min, S. H., O. J. Kwon, et al. (2011). Studies on high power THz radiation using nanosecond pulse in oversized relativistic backward wave oscillator, Houston, TX.

 

Barik, R. K., A. K. Tanwar, et al. (2011). Investigation of emission mechanism of scandium doped nano particle dispenser cathode for THz vacuum electron devices, Houston, TX.

 

Choi, D., H. Son, et al. (2011). Focused beam effect on measuring precise optical parameters of liquid water with terahertz time domain spectroscopy, Houston, TX.

 

Kwon, O., S. H. Pak, et al. (2011). Experimental confirmation of Bethe's diffraction theory, Houston, TX.

 

Barik, R. K., R. S. Raju, et al. (2011). High current density ternary-alloy-film dispenser cathode for terahertz vacuum devices, Bangalore.

 

Bera, A., O. Kwon, et al. (2011). Design of depressed collector for 94 GHz CCBWO, Bangalore.

 

 

2010


Gun-Sik Park; J.K. So. “THz Microfabricated Vacuum Electronic Devices using Photonic Concepts”, IRMMW-THz 2010, Rome, Italy, September 5-10, 2010

 

Da-Hye Choi, Hyeong Ryeol Park, Young-Mi Park, Gun-Sik Park, "Polarization dependent terahertz band pass filters with asymmetric cross shaped hole arrays", IRMMW-THz2010 Sep.5-10, 2010, Rome, Italy

 

S. -J. Chang, D. -H. Choi, H. R. Park, D. S. Kim, W. Jhe and G.S. Park, "Dielectric Properties of a Molecularly Thin Water Layer in THz Frequency Range", IRMMW-THz2010 Sep.5-10, 2010, Rome, Italy

 

Ohjoon Kwon, J.K. So, Anurag Srivastava, J.Y. Kim, J.W. Yang, J.H. Choi., J. H. Kim, S. S. Chang, and Gun-Sik Park, "Microfabricated Millimeter Wave Vacuum Electronic Devices", IRMMW-THz2010 Sep.5-10, 2010, Rome, Italy

 

Jin-Kyu So, and Gun-Sik Park, "Cerenkov Radiation from Plasmonic Metamaterials", IRMMW-THz2010 Sep.5-10, 2010, Rome, Italy

 

Jin-Kyu So, and Gun-Sik Park, "THz Surface Plasmons on 1D Plasmonic Metamaterials with Disorder", IRMMW-THz2010 Sep.5-10, 2010, Rome, Italy

 

 

2009


S. H. Min, H. C. Jung, and G. S. Park, Experimental Study on hundreds of MW at X-band for Relativistic Backward Wave Oscillator (RBWO), 2009 IEEE International Vacuum Electronics Conference, April 28-30(Rome, Italy) 186.

 

Konstantin A. Lukin and Gun-Sik Park, “Vacuum Microwave Integrated Circuits for Radar RF Front-End”, 2009 IEEE International Vacuum Electronics Conference, April 28-30(Rome, Italy)

 

Anurag Srivastava, Jin-Kyu So, Matlabjon Sattorov, Oh-Joon Kwon, Chan-Wook Baik,, Jong-Hyun Kim, Suk-Sang Chang, and Gun-Sik Park, “100GHz LIGA-Fabricated Coupled-Cavity Device”, 2009 IEEE International Vacuum Electronics Conference, April 28-30(Rome, Italy)

 

Konstanti A. Lukin, Eduard M. Khutoryan, and Gun-Sik Park, “Interaction of Evanesent Wave and Smith-Purcell Radiation Modes in Resonant BWO-DRO Device”, 2009 IEEE International Vacuum Electronics Conference, April 28-30(Rome, Italy)

 

Wenxin Liu, Chuanxiang Tang, Wenhui Wang, Ziqiang Yang and Gun-Sik Park, “Simulations of Terahertz Coherent Transition Radiation by an Ultrashort Bunch Generated from the Photocathode”, 2009 IEEE International Vacuum Electronics Conference, April 28-30(Rome, Italy)

 

Chan-Wook Baik1, Sun Il Kim1, Seogwoo Hong1, Sang Hun Lee1, Anurag Srivastava2, Jin-Kyu So2, Gun-Sik Park2, Jong-Min Kim1, “MEMS Applied Backward-Wave Oscillator for 0.1 THz”, Sep. 21 (2009)

 

 

2008


O. Kwon, D.W. Kim, H.Y. Kim, J.H. Won, Y.D. Joo, Y.H.Kim, D.S. Kim and G. S. Park, "CW Terahertz Imaging of Paraffin-embedded Epithelial Cell of Rat", IEEE International Vacuum Electronics Conference2008, Apirl 22-24 (Monterey, USA)

 

J. K. So, M. A. Sattorov, A. Srivastava, K. H. Jang, J. H. Won, and G. S. Park, "Optimization of Beam-Wave Interaction in a 0.5THz Smith-Purcell Device", IEEE International Vacuum Electronics Conference2008, Apirl 22-24 2008 (Monterey, USA)

 

S. H. Min, H. C. Jung, S. H. Shin and G.-S. Park, "Pulse Shortening by RF Breakdown in Relativistic Backward Wave Oscillator", IEEE International Vacuum Electronics Conference2008, Apirl 22-24 2008 (Monterey, USA)

 

S. H. Shin , H. C. Jung, S. H. Min, D. H. Kim, C.H. Kim, D.W. Yim and G. S. Park, "Effect of Anode Plasma on Pulse Shortening in Magnetically Insulated Transmission Line Oscillator", IEEE International Vacuum Electronics Conference2008, Apirl 22-24 2008 (Monterey, USA)

 

J. K. So and G. S. Park, "Role of Periodicity in the Frequency-dependent Transmission of 1D Array of Rectangular Holes", IEEE International Vacuum Electronics Conference 2008, Apirl 22-24 2008 (Monterey, USA)

 

J. K. So, M. A. Sattorov, A. Srivastava, K. H. Jang, J. H. Won, and G. S. Park, "Beam Transmission in Microfabricated Terahertz Device with Asymmetric Magnet", IEEE International Vacuum Electronics Conference2008, Apirl 22-24 2008 (Monterey, USA)

 

A. Srivastava, J.K. So, and G.S. Park, "Development of High Current Density Sheet Beam Electron Gun for Terahertz Devices", IEEE International Vacuum Electronics Conference2008, Apirl 22-24 2008 (Monterey, USA)

 

Jinshu Wang, Lili Li, Yiman Wang, Yanchu Wang and Wei Liu, A. Srivastava, J.K. So, G. S. Park, "Development of High Current Sheet Beams for THz sources", IEEE International Vacuum Electronics Conference2008, Apirl 22-24 2008(Monterey, USA)

 

Chan-Wook Baik, Young-Mok Son, Sun Il Kim, Seong Chan Jun, Jong-Seok Kim, Junsik Hwang, and Jong-Min Kim, Jin-Kyu So, and Gun-Sik Park, "Microfabricated Coupled-Cavity Backward-Wave Oscillator for Terahertz Imaging", IEEE International Vacuum Electronics Conference2008, Apirl 22-24 2008 (Monterey, USA)

 

J. K. So, M. A. Sattorov, K. H. Jang, J. H. Won, A. Srivastava, and G. S. Park, "Effective Surface Plasmon Mediated Sub-millimeter Smith-Purcell FEL", 33rd International Conference on Infrared, Millimeter, and Terahertz Waves2008, September 15-19(California, USA)

 

O. Kwon, Y.D. Joo, H.J. Choi, D.S. Kim, Y.H. Kim, J.I. Kim, S.G. Jeon, Y.S. Jin and G.S. Park, "Terahertz Imaging of Paraffin-embedded Epithelial Cell of Rat using Pulsed and CW THz Systems", 33rd International Conference on Infrared, Millimeter, and Terahertz Waves2008, September 15-19 (California, USA)

 

J. K. So, M. A. Seo, D. S. Kim, J. H. Kim, S. S. Chang, J. H. Son, and G. S. Park, "THz Multi-frequency Resonance Filter", 33rd International Conference on Infrared, Millimeter, and Terahertz Waves2008, September 15-19 (California, USA)

 

M.A. Sattorov, H. C. Jung, S. H. Min, J. K. So, J. H. Won, G. S. Park, "High Power THz Radiation from a Cylindrical Grating Structure Using a High Current Relativistic Electron Beam", 33rd International Conference on Infrared, Millimeter, and Terahertz Waves2008, September 15-19 (California, USA)

 

S. J. Chang, S. M. Ahn, O. J. Kwon, M. A. Seo, D. S. Kim, W. H. Jhe, G. S. Park, "Studies on Interfacial Water Adsorbed on Mica Room Temperature using Terahertz Spectroscopy" 33rd International Conference on Infrared, Millimeter, and Terahertz Waves2008, September 15-19 (California, USA)

 

Chan-Wook Baik, Jin-Kyu So, Matlabjon Abdurakhimovich Sattorov, Anurag Srivastava, Kyu-ha Jang, Jong Hyo Won, Young Mok Son, Sun ll Kim, Jong-Min Kim, Suk-Sang Chang, Gun-Sik Park, "Comparative Analysis on DRIE and LIGA Fabrications for Millimeter-Wave Backward-Wave Oscillators" 33rd International Conference on Infrared, Millimeter, and Terahertz Waves2008, September 15-19 (California, USA)

 

 

2007


K. H. Jang, J. H. Won, J. K. So, A. Srivastava, Y. M. Shin, C. W. Baik and G. S. Park, "Proof of Principle Experiment on Photonic Crystal Reflex Klystron", IEEE International Vacuum Electronics Conference2007, May 15-17 2007(Japan, Kitakyushu)

 

J. H. Won, K. H. Jang, J. K. So and G. S. Park, "Design Study of 100GHz Photonic Crystal Reflex Klystron", IEEE International Vacuum Electronics Conference2007, May 15-17 2007(Japan, Kitakyushu)

 

A. Srivastava, J. K. So, K. H. Jang, J.H Won, M. A. Sattorov, and G. S. Park,"Experimental Study on Electron Guns with High Current Density Beam", IEEE International Vacuum Electronics Conference2007, May 15-17 2007(Japan, Kitakyushu)

 

J. K. So, Y. M. Shin, K. H. Jang, J. H. Won, A. Srivastava, M. A. Sattorov, J. H. Son and G. S. Park, "Cold Test on 0.5THz Plasmonic Devices for Superradiant Smith-Purcell Radiation", IEEE International Vacuum Electronics Conference2007, May 15-17 2007(Japan, Kitakyushu)

 

J. K. So, Y. M. Shin, K. H. Jang, J. H. Won, A. Srivastava, M. A. Sattorov and G. S. Park, "Experimental Study on 100GHz Two-Step LIGA-based Backward Wave Devices", IEEE International Vacuum Electronics Conference2007, May 15-17 2007(Japan, Kitakyushu)

 

H. C. Jung, S. H. Min, S. H. Shin, D. H. Kim, C.H. Kim*, D.W. Yim* and G. S. Park, "Experimental Study on Dynamics of Mode Competition in Magnetically Insulated Transmission Line Oscillator (MILO)", IEEE International Vacuum Electronics Conference2007, May 15-17 2007(Japan, Kitakyushu)

 

Y. D. Joo, M. A. Sattorov, Y.M. Shin and G. S. Park, "Cold Test on Coupling of Photonic Crystal Cavity for High-order-mode Gyrotron", IEEE International Vacuum Electronics Conference2007, May 15-17 2007 (Japan, Kitakyushu)

 

S. H. Min, H. C. Jung, S. H. Shin and G. S. Park, "Experimental Study on X-band Relativistic Backward Wave Oscillator (RBWO)" , IEEE International Vacuum Electronics Conference2007, May 15-17 2007(Japan, Kitakyushu)

 

J. K. So, Y. M. Shin, K. H. Jang, J. H. Won, A. Srivastava, M. A. Sattorov and G. S. Park, "Experimental Study on 0.5THz Superradiant Smith-Purcell Radiation", IEEE International Vacuum Electronics Conference2007, May 15-17 2007(Japan, Kitakyushu)

 

H. C. Jung, S. H. Min, S. H. Shin and G. S. Park, "Experimental Study on a 0.5 GW Relativistic Backward Wave Oscillator (RBWO)", IEEE Pulsed Power and Plasma Science Conference, Jun 17-24 2007(USA,Albuquerque)

 

J. K. So, Y. M. Shin*, K. H. Jang, J. H. Won, A. Srivastava, M. A. Sattorov and G. S. Park, "Experimental Study on 100GHz Two-Step LIGA-based Vacuum Electron Devices", IEEE Pulsed Power and Plasma Science Conference, Jun 17-24 2007(USA,Albuquerque)

 

J. K. So, Y. M. Shin, K. H. Jang, J. H. Won, A. Srivastava, M. A. Sattorov and G. S. Park, "Experimental Study on 0.5THz Superradiant Smith-Purcell Radiation", IEEE Pulsed Power and Plasma Science Conference, Jun 17-24 2007(USA,Albuquerque)

 

K. H. Jang, J. H. Won, J. K. So, A. Srivastava, Y. M. Shin, C. W. Baik and G. S. Park, "Proof of Principle Experiment on Photonic Crystal Reflex Klystron", IEEE Pulsed Power and Plasma Science Conference, Jun 17-24 2007(USA,Albuquerque)

 

J. K. So, Y. M. Shin, K. H. Jang, J. H. Won, A. Srivastava, M. A. Sattorov and G. S. Park, "Experimental Study on 100GHz Two-Step LIGA-based Backward Wave Devices", IRMMW2007 (International Conference on IRmm Waves), September 1-8 2007 (Cardiff, Wales)

 

J. K. So, Y. M. Shin, K. H. Jang, J. H. Won, A. Srivastava, M. A. Sattorov and G. S. Park, "Experimental Study on 0.5THz Superradiant Smith-Purcell Radiation", IRMMW2007 (International Conference on IRmm Waves), September 1-8 2007 (Cardiff, Wales)

 

 

2006


K.H. Jang, S.G. Jeon, J.K. So, J.I. Kim, Y.M. Shin, J.H. Won and G.S. Park, "Experiment al investigation on high order mode reflex klystron using cold cathode", Seventh IEEE Internatio nal Vacuum Electronics Conference and the Sixth IEEE International Vacuum Electron Source s Conference, April 25-27, 2006 (Monterey, CA)

 

J. K. So, Y. M. Shin, K. H. Jang, J. H. Won, A. Srivastava and G. S. Park, "Investigations on the radiation from a modified grating structure using a relativistic electron beam", Seventh IE EE International Vacuum Electronics Conference and the Sixth IEEE International Vacuum Elec tron Sources Conference, April 25-27, 2006 (Monterey, CA)

 

Y.D. Joo, J.H. Won and G.S. Park, "Study on Photonic Crystal Cavity for Harmonic Multipl ying Gyroklystron using Axis-encircling Electron Beam", Seventh IEEE International Vacuum El ectronics Conference and the Sixth IEEE International Vacuum Electron Sources Conference, April 25-27, 2006 (Monterey, CA)

 

D. H. Kim, H. C. Jung, S. H. Min, M. C. Wang, M. J. Rhee, C. H. Kim, D. W. Yim, and G. S. Park, "Experimental Investigation of Giga-watt Magnetically Insulated Transmission Line Os cillator (MILO) by Improved Axial Power Extraction", Seventh IEEE International Vacuum Electr onics Conference and the Sixth IEEE International Vacuum Electron Sources Conference, Apri l 25-27, 2006 (Monterey, CA)

 

J. H. Won, C. W. Baik, J. I. Kim, Y. D. Joo and G. S. Park, "Study on Ballistic Bunching i n Frequency Multiplying Distributed Interaction Gyroklystron Amplifier", Seventh IEEE Internatio nal Vacuum Electronics Conference and the Sixth IEEE International Vacuum Electron Source s Conference, April 25-27, 2006(Monterey,CA)

 

J.I. Kim, J.H. Won, H.J. Ha, J.C. Shon, G.S. Park, "Reduction of Noise in Strapped Magne tron by Electric Priming using Anode Shape Modification", Seventh IEEE International Vacuum Electronics Conference and the Sixth IEEE International Vacuum Electron Sources Conferenc e, April 25-27, 2006 (Monterey, CA)

 

H. C. Jung, D. H. Kim, S. H. Min, Z. Q. Yang, M. C. Wang, M. J. Rhee, J. H. Kim, S. Y. P ark, and G. S. Park, "Experimental Study on 100MW X-band Relativistic Backward Wave Oscillator", Seventh IEEE International Vacuum Electronics Conference and the Sixth IEEE Internation al Vacuum Electron Sources Conference, April 25-27, 2006 (Monterey, CA)

 

Y.M. Shin, J. K. So, K. H. Jang, J. H. Won, A. Srivastava, S.T. Han, J. H. Kim, S. S. Cha ng, R. K. Sharma and S. N. Joshi, G. S. Park, "Experimental Investigation of 95GHz Folded Wa veguide Backward Wave Oscillator Fabricated by Two-Step LIGA", Seventh IEEE International Vacuum Electronics Conference and the Sixth IEEE International Vacuum Electron Sources Conference, April 25-27, 2006 (Monterey, CA)

 

J. H. Won, K. H. Jang, J. I. Kim, J. K. So, Y. M. Shin, A. Srivastava, J. K. Kim, E. J. Choi and G. S. Park, "Experimental Investigation on High Order Mode Photonic Crystal Reflex Klyst ron using Cold Cathode", IVNC&IFES2006 (International Vacuum Nano Electronics Conference and International Field EmissionSymposium), July 17-20 2006 (Guilin, China)

 

J. K. So, Y. M. Shin, K. H. Jang, J. H. Won, A. Srivastava, E. J. Choi, J. H. Kim, S. S. Ch ang and G. S. Park, "Experimental Investigation of Micro-fabricated Folded Waveguide Backwa rd Wave Oscillator for Submillimeter Application", IVNC&IFES2006 (International Vacuum Nanoel ectronics Conference and International Field Emission Symposium), July 17-20 2006 (Guilin, C hina)

 

J. K. So, Y. M. Shin, K. H. Jang, J. H. Won, A. Srivastava and G. S.Park, "Experimental Investigation of Micro-fabricated Folded Waveguide Backward Wave Oscillator for Submillimeter Application",International Conference on IRmm Waves, Sep.18-22 2006(Shanghai, China)

 

A. Srivastava, 1J. K. So, 1Y. M. Shin, 1K. H. Jang, 1J.H Won and 1G. S. Park, "Experimental Investigation of W-band Pierce Electron gun for LIGA-fabricated Millimeter-wave Vacuum Electron Devices", International Conference on IRmm Waves, Sep.18-22 2006(Shanghai, China)

 

J. H. Won, K. H. Jang, S. G. Jeon*, J. K. So, J. I. Kim, Y. M. Shin, and G. S. Park,"Study on photonic crystal reflex klystron for millimeter-wave applications", International Conference on IRmm Waves, Sep.18-22 2006(Shanghai, China)

 

H. C. Jung, D. H. Kim, S. H. Min, Z. Q. Yang, M. C. Wang, M. J. Rhee, J. H. Kim, S. Y. Park, and G. S. Park, "Experimental Study on 100MW X-band Relativistic Backward Wave Oscillator", 14th Symposium on high current electronics, Sep 10-15 2006(Tomsk, Russia)

 

D.H. Kim, H.C. Jung, S.H. Min, S.H. Shin, M.J. Rhee, G.S. Park, C.H. Kim, and D.W. Yim, "Experimental Investigation of Giga-watts Magnetically Insulated Transmission Line Oscillator (MILO)", 14th Symposium on high current electronics, Sep 10-15 2006(Tomsk, Russia)

 

 

2005


Y.M. Shin, J. K. So, S.T. Han, K. H. Jang, S. G. Jeon, J. H. Kim, S. S. Chang and G. S. Park, "Experimental Investigation of W-Band Vacuum Devices using Two-Step LIGA", Sixth Inte rnational Vacuum Electronics Conference, Apr. 20-22 2005 Noordwijk, The Netherlands)

 

Y.M. Shin, J. I. Kim, Y. G. No, S. T. Han, A. Srivastava, K. H. Jang, J. K. So, and G. S. P ark, "THz Smith-Purcell Radiation Enhanced by Counter-Streaming Electron Beams with One- Dimensional Photonic Crystals", Sixth International Vacuum Electronics Conference, Apr. 20-2 2 2005 (Noordwijk, The Netherlands)

 

Y.M. Shin, N. M. Ryskin, J. H. Won, S. T. Han and G. S. Park, "Nonstationary Analysis o f Counter-Streaming Electron Beam Oscillator", Sixth International Vacuum Electronics Confere nce, Apr. 20-22 2005 (Noordwijk, The Netherlands)

 

J.I. Kim, J.H. Won, Y.D. Joo, S.G. Jeon and G.S. Park, "π-mode Selection in Coaxial Mag netron Resonator using Two-dimensional Metallic Photonic Crystal", Sixth International Vacuu m Electronics Conference, Apr. 20-22 2005 (Noordwijk, The Netherlands)

 

J.I. Kim, J.H. Won, H.J. Ha, J.C. Shon and G.S. Park, "Electron Pre-bunching in Microwa ve Magnetron by Electric Priming using Anode Shape Modification", Sixth International Vacuu m Electronics Conference, Apr. 20-22 2005 (Noordwijk, The Netherlands)

 

K. H. Jang, S. G. Jeon, J. K. So , Y. M. Shin, S. T. Han and G. S. Park, "Photonic Crysta l Reflex Klystron Using Multi-beam Cold Cathode", Sixth International Vacuum Electronics Conf erence, Apr. 20-22 2005 (Noordwijk, The Netherlands)

 

D. H. Kim, H. C. Jung, S. H. Min, Ziqaing Yang, Ming Chang Wang, M. J. Rhee and G. S. Park, "Experimental Study of Gigawatts Magnetically Insulated Line Oscillator (MILO)", Sixt h International Vacuum Electronics Conference, Apr. 20-22 2005(Noordwijk, The Netherlands)

 

S.T. Han, J.K. So, K.H. Jang, Y.M. Shin, S.G. Jeon1, A. Srivastava, J.H. Kim2,, S.S. Chang2, C.W. Baik3, J.M. Kim3, D.R. Jeon4, A.K. Sharma5, and G.S. Park, "MEMS base d Vacuum Electron Devices" Sixth International Vacuum Electronics Conference, Apr. 20-22 20 05 (Noordwijk, The Netherlands) (★Plenary talk)

 

Y.M. Shin, J. K. So, S.T. Han, K. H. Jang, S. G. Jeon, J. H. Kim, S. S. Chang, C. W. Bai k, J. M. Kim and G. S. Park, "Experimental Investigation of Millimeter/Submillimeter Wave Devi ces Based on Two-Step LIGA Fabrication", International High Energy Density and High Power RF Workshop, Kalamata Greece, June 13-17 2005 (★Invited talk)

 

J.I. Kim, J.H. Won, H.J. Ha, J.C. Shon and G.S. Park, "Electron Pre-bunching for Rapid St artup and Low Noise in Microwave Magnetron by Electric Priming", International High Energy D ensity and High Power RF Workshop, Kalamata Greece, June 13-17 2005

 

J. K. So, Y. M. Shin, K. H. Jang, A. Srivastava, and G. S. Park, "Optimiation of THz Smit h-Purcell Radiation at an Electron Beam Energy of 6 MeV", International Workshop on Accelera tor and Beam Utilization, Oct. 17-18 2005(KAERI, 대전)

 

 

2004


Y. B. Kang, D. H. Kim, V. N. Titov1, N. M. Ryskin1, and G. S. Park"A Study on Nonstation ary Nonlinear Processes in a Relativistic Backward-wave Oscillator using Particle-in-Cell Sim ulation", International Vacuum Electronics Conference, Monterey, CA, Apr. 27-29, (2004)

 

C. W. Baik, S. G. Jeon, D. H. Kim, and G. S. Park,"Third Harmonic Frequency Multiplicati on of a Two-Stage Tapered Gyro-TWT Amplifier", International Vacuum Electronics Conferenc e, Monterey, CA, Apr. 27-29, (2004)

 

Y. D. Joo, A. K. Sinha1, and G. S. Park, "SINCOHET : Simple Nonlinear Analysis Code fo r Helix Traveling Wave Tube", International Vacuum Electronics Conference, Monterey, CA, A pr. 27-29, (2004)

 

Y. D. Joo, A. K. Sinha1, B. N. Basu2, and G. S. Park, "Analysis of Pi-Point Instability in a n Asymmetric Helical Slow-Wave Structure Used in Helix Traveling Wave Tubes", Internationa l Vacuum Electronics Conference, Monterey, CA, Apr. 27-29, (2004)

 

S. T. Han, J. K. So, K. H. Jang, Y. M. Shin, S. G. Jeon, J. H. Kim1, S. S. Chang1, N. M. Ryskin2, and G. S. Park, "Experimental Investigations of Folded-Waveguide TWT Oscillators", I nternational Vacuum Electronics Conference, Monterey, CA, Apr. 27-29, (2004)

 

J.I. Kim, J.H.Won, H.J. Ha*, J.C. Shon*, G. S. Park, "Nonstationary Behavior in 10-Vane Strapped Magnetron Oscillator", International Vacuum Electronics Conference, Monterey, CA, Apr. 27-29, (2004)

 

Y.B. Kang, G.S. Park N.M. Ryskin, V.N. Titov, "MAGIC 2D Simulation of Nonstationary an d Chaotic Processes in a Relativistic Backward Wave Oscillator", International Vacuum Electro nics Conference, Monterey, CA, Apr. 27-29, (2004)

 

S. G. Jeon, Y. M. Shin, J. I. Kim, S. T. Han, K. H. Jang, J. K. So and G. S. Park, "Photoni c Crystal Cavity for Linear Beam Vacuum Device", International Vacuum Electronics Conferen ce, Monterey, CA, Apr. 27-29, (2004)

 

Y. M. Shin, S.T. Han, S. G. Jeon, K. H. Jang, J. K. So, G. S. Park, "Development of Two- Beam Feedback Oscillator", International Vacuum Electronics Conference, Monterey, CA, Ap r. 27-29, (2004)

 

S. G. Jeon, Y. M. Shin, J. I. Kim, S. T. Han, K. H. Jang, J. K. So and G. S. Park, "Reflex Klystron using Photonic Crystal", International Vacuum Nanoelectronics Conference, Boston, MA, July, (2004) 

 Y. M. Shin, S.T. Han, S. G. Jeon, K. H. Jang, J. K. So, G. S. Park, " Development of Cou nter-Streaming Two Beam Oscillator Based on Cold Cathode", International Vacuum Nanoelect ronics Conference, Boston, MA, July, (2004) 

 

S. T. Han, J. K. So, K. H. Jang, Y. M. Shin, S. G. Jeon, J. H. Kim, S. S. Chang, N. M. Ry skin, and G. S. Park, "Experimental Investigations of Micro-fabricated Folded-waveguide Back ward-Wave Oscillator(BWO)", International Vacuum Nanoelectronics Conference, Boston, MA, July, (2004)

 

N.M. Ryskin, N.N. Surkov, D.I. Trubetskov, K. H. Jang, S. T. Han, J. K. So and G. S. Par k, "Theory of the microelectronic traveling wave klystron am-plifier with field emission cathode array", IEEE International Conference On Plasma Science, Baltimore, Maryland, June 28-July 1, (2004)

 

Y.B. Kang, D.H. Kim, H.C. Chung, N.M. Ryskin, V.N. Titov, and G.S. Park, "MAGIC 2D si mulation of nonstationary and chaotic processes in a relativistic backward wave oscillator", IE EE International Conference On Plasma Science, Baltimore, Maryland, June 28-July 1, (2004)

 

Y. D. Joo, A. K. Sinha1, and G. S. Park, "Development of Simple Nonlinear Analysis Cod e for Helix Traveling Wave Tube (SINCOHET)", IEEE International Conference On Plasma Scie nce, Baltimore, Maryland, June 28-July 1, (2004)

 

1-S. T. Han, K. H. Jang, J. K. So, Y. M. Shin, S. G. Jeon, J. H. Kim, S. S. Chang, and G. S. Park, "Experimental Investigation of Miniaturized High Frequency Vacuum Tube", IEEE Inter national Conference On Plasma Science, Baltimore, Maryland, June 28-July 1, (2004)

 

C. W. Baik, S. G. Jeon, D. H. Kim, N. Sato, K. Yokoo, and G. S. Park, "Frequency-Multipl ying Gyrotron Traveling-Wave Tube Amplifier", IEEE International Conference On Plasma Scien ce, Baltimore, Maryland, June 28-July 1, (2004)

 

S. G. Jeon, Y. M. Shin, J. I. Kim, S. T. Han, K. H. Jang, J. K. So and G. S. Park, "Reflex Klystron using High Order Mode of Photonic Crystal Cavity", IEEE International Conference On Plasma Science, Baltimore, Maryland, June 28-July 1, (2004)

 

J.I. Kim, J.H. Won, H.J. Ha, J.C. Shon, G.S. Park, "Numerical Study on the Noise in 10-V ane Strapped Magnetron Oscillator", IEEE International Conference On Plasma Science, Baltim ore, Maryland, June 28-July 1, (2004)

 

Y. M. Shin, S. T. Han, S. G. Jeon, K. H. Jang, J. K. So, G. S. Park, "Analytical Investigati on of Two Electron Beams Reversely Traveling in the Coupled-Cavity of Klystron Oscillator", IE EE International Conference On Plasma Science, Baltimore, Maryland, June 28-July 1, (2004)

 

D.H. Kim, H.C. Jung, S.H. Min, Z. Yang, M.C. Wang, M.J. Rhee* and G.S. Park,"Design Study of Magnetically Insulated Line Oscillator (MILO)", International Symposium on Pulsed Po wer and Plasma Applications, October 18-20, 2004(Changwon, Korea)

 

H.C. Jung, D.H. Kim, S.H. Min, Z. Yang, M.C. Wang, M.J. Rhee* and G.S. Park, "Design of Pulsed Power Machine using Blumlein", International Symposium on Pulsed Power and Pla sma Applications, October 18-20, 2004 (Changwon,Korea)

 

D.H. Kim, H.C. Jung, S.H. Min, Z. Yang, M.C. Wang, M.J. Rhee*, G.S. Park and S.Y. Par k, "Design Study of Relativistic Backward Wave Oscillator (RBWO)", International Symposium o n Pulsed Power and Plasma Applications, October 1820, 2004 (Changwon, Korea)

 

 

2003


N. M. Ryskin, V.N. Titov, "THE TRANSITION TO DEVELOPED CHAOS IN THE CHAIN OF TWO UNIDIRECTIONALLY COUPLED BACKWARD WAVE OSCILLATORS", International Vacuum Electronics Conference, May 28-30, 2003 (Seoul, Korea)

 

J.I. Kim, J.H.Won, G. S. Park?, H.J. Ha, J.C. Shon, "Three-dimensional Simulation of 10-vane Strapped Magnetron", International Vacuum Electronics Conference, May 28-30, 2003 (Seoul, Korea)

 

D. H. Kim, V. N. Titov, Y. B. Kang, and G. S. Park, "A Preliminary Investigation on Cold Properties of Low Energy Rippled Wall Backward Wave Oscillator", International Vacuum Electronics Conference, May 28-30, 2003 (Seoul, Korea)

 

Y.B. Kang, D.H. Kim, V.N. Titov, and G.S. Park, "Chaotic Signal Generation from Relativistic Backward-Wave Oscillator", International Vacuum Electronics Conference, May 28-30, 2003 (Seoul, Korea)

 

J.K. So, K.H. Jang, S.T. Han, G.S. Park, "Confinement of Electron Beam from Field Emitter based Cathode", International Vacuum Electronics Conference, May 28-30, 2003 (Seoul, Korea)

 

K.H. Jang, J.K. So, S.T. Han, G.S. Park, S.H. Lee, D.Y. Jun, "Experimental Study on the Pre-modulation of Field Emitter Arrays", International Vacuum Electronics Conference, May 28-30, 2003 (Seoul, Korea)

 

C. W. Baik, S. G. Jeon, D. H. Kim, A. K. Ganguly, and G. S. Park, N. Sato and K. Yokoo, "Experimental Verification of Harmonic Multiplication in Ka-band Two-stage Tapered Gyro-TWT", International Vacuum Electronics Conference, May 28-30, 2003 (Seoul, Korea)

 

S. G. Jeon, C. W. Baik, D. H. Kim, B. Jia, G. S. Park, N. Sato and K. Yokoo, "Experimental Study on Low-velocity-spread Axis-encircling Electron Beam", International Vacuum Electronics Conference, May 28-30, 2003 (Seoul, Korea)

 

S. T. Han, J. I. Kim, K. H. Jang, J. K. So, S. S. Chang1, N. M. Ryskin2, and G. S. Park, "Experimental Investigation of Millimeter Wave Folded-Waveguide TWT",International Vacuum Electronics Conference, May 28-30, 2003 (Seoul, Korea)

 

Y. D. Joo, A. K. Sinha1), B. F. Jia, G. S. Park, "Dispersion Characteristics of An Asymme tric Helical Slow Wave Structure", International Vacuum Electronics Conference, May 28-30, 20 03 (Seoul, Korea)

 

Y. D. Joo, A. K. Sinha, Y. Y. Wei and G. S. Park, "Simple Nonlinear Analysis For A Helix Traveling Wave Tube", International Vacuum Electronics Conference, May 28-30, 2003 (Seoul, Korea)

 

J.I. Kim, G.S. Park, H.J. Ha, J.C. Shon, "Investigation of 10-vane Strapped Magnetron usi ng three-dimensional Particle-in-cell Simulation", International Conference on Plasma Scienc e, June 2-5, 2003 (Jeju, Korea)

 

D. H. Kim, V. N. Titov, Y. B. Kang, and G. S. Park, "Design of Low Energy Backward Wav e Oscillator", International Conference on Plasma Science, June 2-5, 2003 (Jeju, Korea)

 

C. W. Baik, S. G. Jeon, D. H. Kim, A. K. Sinha, N. Sato? K. Yokoo? and G. S. Park, "Ex perimental Verification of Frequency Multiplication in Two-stage Tapered Gyro-TWT", Internatio nal Conference on Plasma Science, June 2-5, 2003 (Jeju, Korea)

 

S.T. Han, J.I. Kim, K.H. Jang, J.K. So and G.S. Park, "Experimental Investigation on Milli meter-wave Folded-waveguide TWT using Linear Electron Beam", International Conference o n Plasma Science, June 2-5, 2003 (Jeju, Korea)

 

S. G. Jeon, C. W. Baik, D. H. Kim, B. Jia, G. S. Park, N. Sato and K. Yokoo, "Experiment al Study on Low-velocity-spread Axis-encircling Electron Gun", International Conference on Pl asma Science, June 2-5, 2003 (Jeju, Korea)

 

N. M. Ryskin, V.N. Titov, Y. B. Kang, D. H. Kim, G.S. Park, "Nonlinear dynamics and ch aos of a relativistic backward-wave oscillator", International Conference on Plasma Science, J une 2-5, 2003 (Jeju, Korea)

 

Y. D. Joo, A. K. Sinha+, and G. S. Park, "Helix Traveling Wave Tube Performance Optimi zation Through Circuit Tapering", International Conference on Plasma Science, June 2-5, 2003 (Jeju, Korea)

 

C.W. Baik, S.G. Jeon, D.H. Kim, and G.S. Park, "Frequency Multiplication in a Ka-band H armonic Multiplying Two-Stage Tapered Gyrotron Traveling-Wave Tube Amplifier", Internationa l Conference on Infrared and Millimeter Wave(IRMMW), Sep. 28-02, 2003 (Otsu, Japan)

 

S.T. Han, K.H. Jang, J.K. So, S. S. Chang, V.N. Titov, N.M. Ryskin, and G.S. Park, "Exp erimental Invesitigation on Millimeter Wave Folded-Waveguide Traveling-Wave Tubes", Internati onal Conference on Infrared and Millimeter Wave(IRMMW), Sep. 28-02, 2003 (Otsu, Japan)

 

C.W. Baik, S.G. Jeon, D.H. Kim, G.S. Park, "Ka-band Harmonic Multiplying Tapered Gyr o-TWT Amplifier in Low Voltage Operation", Annual Meeting of the Division of Plasma Physics (ADP), Oct. 27-31, 2003 (Albuquerque, New Mexico)

 

D.H. Kim, H.C. Jung, Y.B. Kang, and G.S. Park, "Study on Slow-Wave Structure for Rippl ed-Wall Relativistic Backward Wave Oscillator", Annual Meeting of the Division of Plasma Physi cs(ADP), Oct. 27-31, 2003 (Albuquerque, New Mexico)

 

 

2002


N.M. Ryskin, A.G. Zaitseva S. T. Han, J. I. Kim, G. S. Park, "Chaotic Oscillations in a Delayed Feedback Traveling Wave Tube Oscillator", International Vacuum Electronics Conference, April 2002

 

Y. Y. Wei, B. F. Jia, Y. D Joo, G. S. Park, H. S. Uhm, G. F Yu, W. X. Wang, S. G. Liu, "A High-Power Wideband Traveling-Wave Tube using Coaxial Inverted Helical Groove Slow-Wave Structure" , International Vacuum Electronics Conference, April 2002

 

Seong-Tae Han, Jung-Il Kim, Woo-Kyung Han, and Gun-Sik Park, "Synthesis of Folded Waveguide TWT" , International Vacuum Electronics Conference, April 2002

 

C. W. Baik, S. G. Jeon, D. H. Kim, A. K. Ganguly, J.J. Choi* and G. S. Park N. Sato and K. Yokoo, "Experimental Study on Ka-band Harmonic-multiplying Two-stage Tapered Gyro-TWT", International Vacuum Electronics Conference, April 2002

 

S. G. Jeon, C. W. Baik, D. H. Kim, B. Jia and G. S. Park, N. Sato and K. Yokoo, "Experimental Study on Low-velocity-spread Axis-encircling Electron Gun for Harmonic Gyrotrons", International Vacuum Electronics Conference, April 2002

 

.G. Rozhnev, N.M. Ryskin, D.V. Sokolov, D.I. Trubetskov S. T. Han, J. I. Kim, G. S. Park, "Novel Concepts of Vacuum Microelectronic Microwave Devices with Field Emitter Cathode Arrays", International Vacuum Electronics Conference, April 2002

 

Young-Do Joo, Sun-Shin Jung*, Jung-Il Kim, Seung-Tae Han, Baofu Jia, A.K. Sinha, Hyoung-Suk Kim**, and Gun-Sik Park, "Heavily-loaded Wideband Helix Traveling Wave Tube", International Vacuum Electronics Conference, April 2002

 

C.W. Baik, S.G. Jeon, D.H. Kim, A.K. Ganguly, J.J. Choi*, G.S. Park, N. Sato and K. Yokoo, "Harmonic Multiplying Two-Stage Tapered Gyro-TWT", International Conference on Plasma Science, May 2002.

 

Y.Y. Wei, G.S. Park, W.X. Wang and S.G. Liu, "Analysis of Helically Arbitrarily-Shaped Groove-Waveguide Traveling-Wave-Tube(TWT)", International Conference on Plasma Science, May 2002.

 

Y.Y. Wei, W.X. Wang, Baofu Jia, A.K. Sinha, Sheng-gang Liu and Gun-Sik Park, "An Ultra Wideband Helical-Groove Waveguide TWT", International Conference on Microwave and Millimeter Wave Technology(ICMMT), Aug. 17-19, 2002 (Beijing, China)

 

C.W. Baik, S.G. Jeon, D.H. Kim, A.K. Ganguly and G.S. Park, "Experimental Study on Harmonic-Multiplying Two-Stage Tapered Gyro-TWT", International Conference on Microwave and Millimeter Wave Technology(ICMMT), Aug. 17-19, 2002 (Beijing, China)

 

S.T. Han, J.I. Kim, Baofu Jia, G.S. Park and S.S. Chang, "Ka-band Folded Waveguide Traveling-Wave Tube Experiment", International Conference on Microwave and Millimeter Wave Technology(ICMMT), Aug. 17-19, 2002 (Beijing, China)

 

S.G. Jeon, C.W. Baik, D.H. Kim, B. Jia and G.S. Park, N.Sato and K.Yokoo, "Experimental Study on Low-Velocity-Spread Axis-Encircling Electron Gun", International Conference on Microwave and Millimeter Wave Technology(ICMMT), Aug. 17-19, 2002 (Beijing, China)

 

J.I. Kim, S.T. Han, A.K. Sinha, G.S. Park, "Multi-tone Effect in a Wideband Helix Traveling Wave Tube", International Conference on Microwave and Millimeter Wave Technology(ICMMT), Aug. 17-19, 2002 (Beijing, China)

 

D.H. Kim, C.W. Baik, S.G. Jeon, G.S. Park, "A Study on Broadband Multi-Hole Directional Coupler", International Conference on Microwave and Millimeter Wave Technology(ICMMT),Aug. 17-19, 2002 (Beijing, China)

 

Y.D. Joo, S.S. Jung, Baofu Jia, A.K. Sinha and G.S. Park, " Heavily-loaded Wideband Helix Traveling Wave Tube", International Conference on Microwave and Millimeter Wave Technology(ICMMT), Aug. 17-19, 2002 (Beijing, China)

 

C.W. Baik, S.G. Jeon, D.H. Kim, G.S. Park, N. Sato, "Experimental Investigation of Ka-band Harmonic Multiplying Gyro-TWT", The 27th IEEE International Conference on Infrared and Millimeter Waves(IRMMW), Sep. 22-26, 2002 (San Diego , USA)

 

S.T. Han, J.I. Kim, G.S. Park, "Experimental Study on Folded Waveguide Traveling-Wave Tube", The 27th IEEE International Conference on Infrared and Millimeter Waves(IRMMW), Sep. 22-26, 2002 (San Diego , USA)

 

C. W. Baik, S. G. Jeon, D. H. Kim, N. Sato*?, K. Yokoo*?, and G. S. Park, "Frequency Multiplication in a Ka-Band Harmonic Multiplying Two-Stage Tapered Gyrotron Traveling-Wave Tube Amplifier", The 28th IEEE International Conference on Infrared and Millimeter Waves(IRMMW), Sep.29-3, (Shiga, Japan)

 

S. T. Han, K.H. Jang, J.K. So, S. S. Chang1, V. N. Titov2, N. M. Ryskin2, and G. S. Park, "Experimental Investigation on Millimeter Wave Folded-Waveguide Traveling-Wave Tubes", The 28th IEEE International Conference on Infrared and Millimeter Waves(IRMMW), Sep.29-3, (Shiga, Japan)

 

 

2001


C.W. Baik, S.G. Jeon, D.H. Kim, A.K. Ganguly, G.S. Park, N. Sato and K.Yokoo " Harmon ic Multiplying Two-Stage Tapered Gyro-TWT" , International Vacuum Electronics Conference, April. 2001

 

S.T. Han, H.J. Ha and G.S. Park, " Investigation of Folde Waveguide TWT" International Vacuum Electronics Conference, April. 2001

 

S.S. Jung, A.V. Soukhov and G.S. Park, " The Suppression of 2nd Harmonic Generation in 1.5 Octave TWT Using Slow-Wave Circuit with a Resynchronization Section" , International Vacuum Electronics Conference, April. 2001

 

S.S. Jung, A.V. Soukhov and G.S. Park, " Wideband Traveling-Wave Tube with Heavily-Loaded Helix Slow-Wave Structure" , International Vacuum Electronics Conference, April. 2001

 

S.S. Jung, C.W. Baik, S.T. Han, S.G. Jeon, A.V. Soukov and G.S. Park , " 1.5 Octave Wideband Traveling-Wave Tube with Heavily-Loaded Helical Slow-Wave Structure" , Int. Conf. on Plasma Science, June. 2001

 

S.T. Han, J.L. Kim, G.S. Park , " Characteristics of Modulated Field Emission in Helix TWT" , Int. Conf. on Plasma Science, June. 2001

 

C.W. Baik, S.G. Jeon, D.H. Kim, A.K. Ganguly, G.S. Park, N. Sato and K. Yokoo , " Design of Two-Stage Tapered Harmonic Multiplying Gyro-TWT" , Int. Conf. on Plasma Science, June. 2001

 

S. G. Jeon, C. W. Baik, D. H.. Kim, G. S. Park, N. Sato, K. Yokoo, "Velocity Spread Reduction for Axis-encircling Electorn Beam Generated by Single Magnetic Cusp", American Physical Society, October 2001

 

S. T. Han, J. I. Kim, V. Andrei Soukhov, G. S. Park, "Effect of Modulated Field-Emission on the interaction in Helical Slow-Wave Structures", American Physical Society, October 2001 

 

C. W. Baik, S. G. Jeon, D. H. Kim, G. S. Park, A. K. Ganguly, N. Sato, K. Yokoo, "Design of Two-stage Tapered Harmonic Multiplying Gyro-TWT, Velocity Spread Reduction for Axis-encircling Electron Beam Generated by Single Magnetic Cusp", American Physical Society, October 2001

 

 

2000


Hyun-Jun Ha, Woo-Kyung. Han, Gun-Sik. Park, Han S. Uhm, and A. K. Ganguly, "Nonlin ear Theory of folded Waveguide TWT", International Vacuum Electronics Conference 2000, Ma y. 2000

 

Gun-Sik Park, Hyun-Jun Ha, Woo-Kyoung Han, Sun-Shin Jung, Chan-Wook Baik, Achint ya Ganguly, "Investigation of Folded Waveguide TWT", Int. Conf. on Infrared and Millimeter Wav es, Sept. 2000. (초청)

 

Sun-Shin Jung, Andrei V. Soukhov, and Gun-Sik Park, "Design of Wideband Helix TWT", Int. Conf. on Infrared and Millimeter Waves, pp.287-288, Sept. 2000.

 

Andrei V. Soukhov, Sun-Shin Jung, and Gun-Sik Park, "Improvement of Non-Resonant M easurement Using S-parameters," Int. Conf. on Infrared and Millimeter Waves, pp.335-336, Sep t. 2000.

 

Chan-Wook Baik, Baofu Jia, Sun-Shin Jung, Gun-Sik Park, "Matching of the Helix with C oaxial Coupler," Int. Conf. on Infrared and Millimeter Waves, pp.337-338, Sept. 2000.

 

Andrei V. Soukhov, Sun-Shin Jung and Gun-Sik Park, "Method for Measuring Interaction I mpedance in Helix TWT", International Vacuum Electronics Conference, May. 2000

 

Jia Baofu, C.W. Baik and G.S. Park " The Computation of the Characteristic Impedance fo r Vane-Loaded Helix" International Vacuum Electronics Conference, May. 2000 (Monterey, U. S.A.)

 

Seok-Gy Jeon, Seong-Tae Han, Dong-Ho Jang and Gun-Sik Park "Effect of Cathode Mag netic Field on Beam Characteristics" Int. Conf. of Infrared and Millimeter Waves, Sept. 2000

 

 

1999


Hyun-Jun Ha, Sun-Shin Jung, Zan-Zhi Huang, Dong-Ho Jang, Gun-Sik Park, Jin-Gyu So ng, Gong-Man Park, and Hyee-Jea Kang, "Experimental Investigation of Ku-band Folded Wave guied TWT", Proceeding Paper Book of the 20th Asian FEL Conference (1999)

 

Dong-Ho Jang, Hyun-Jun Ha, Zan-Zhi Huang, Sun-Shin Jung Jung, Jeong-Eon Kim, an d Gun-Sik Park, "Siza Measurement of Electron Beam in Confined Flow", Proceeding Paper Bo ok of the 20th Asian FEL Conference (1999)

 

Sun-Shin Jung, Hyun-Jun Ha, and Gun-Sik Park, "Design of Wideband Helix TWT", Proceeding Paper Book of the 20th Asian FEL Conference (1999)

 

Gun-Sik Park, Hyun-Jun Ha, Sun-Shin Jung, Zan-Zhi Huang, Dong-Ho Jang, Jin-Gyu So ng, Gong-Man Park, and Hyee-Jae Kang, "Experimental Investigation of Ku-band Folded Wave guide TWT", Conference Digest of 24th International Conference on Infrafed and Millimeter Wav es, Sept. 1999, TU-E5.

 

 

1998


Wu Qun, Wang Hong and Gun-Sik Park, "A Study on Dual-Polarization Receiving Antenn a", Microwave and Millimeter Wave Technology Proceedings(ICMMT'98), p360∼362, 1998

 

Gun-Sik Park, Hyun-Jun Ha and Soon-Shin Jung, "Investigation on Wideband Tubes", Mi crowave and Millimeter Wave Technology Proceedings(ICMMT'98), p1091∼1094, 1998. 

 

Gun-Sik Park "Recent Advances on Microwave Generation" 제8회 국제항공우주심포지엄, p285∼329, 1998

 

 

1997


J.G. Jin and G.S. Park, "Propgation Characeristic of Premodulated Electron Beam", Intern ational Conf. on Microvacuum Electronics, 181 (1997)

 

H. J. Ha, J. G. Jin, G. S. Park, "Focusing of Electron Beam in Double-Gated Field Emitter Arrays.", 10th IVMC '97, 1997. 8.

 

H. J. Ha, J. G. Jin, G. S. Park, "Focusing of Electron Beam in Double-Gated Field Emitter Arrays." Technical Digest of IVMC'97 Kyongju, Korea 1997, pp 636-639.

 

 

1996


High power millimeter wave gyroklystron amplifier for radar application. J. J. Choi, A. K. Ganguly, M. Blank, F. Calise, B. G. Danly, R. H. kyser, B. Levush, P. Latham, G. S. Park and R. K. Parker., Proceeding of Power Tube Conference, (1996)

 

Design and simulation of a compact Free Electron Laser with pseudospark-produced ele ctron beam. Ming Chang Wang, Yu Huang, Zhijiang Wang, Jae Koo Lee, Gun Sik Park. Procee ding of International Conference on Free Electron Laser, Rome, Aug.24-31, (1996)

 

 

1995


J. J. Choi, G. S. Park, A. K. Ganguly, F. Calise, B. Danly, and C. M. Armstrong, "Experi mental Investigation on a Folded Waveguide Gyrro-TWT Amplifier" Proc. Vacuum Electronics A nnual Review (1995)

 

G. S. Park, J. J. Choi, A. K. Ganguly, K. T. Nyugen, C. M. Armstrong, R. H. Kyser, F. Wo od, and R. K. Parker, "35GHz Gyro-Peniotron Oscillator Experiment" Proc. 17th Intern. on Infrare d and Millimeter Waves(1995)

 

J. J. Choi, G. S. Park, A. K. Ganguly, C. M. Armstrong, F. Calise, F. Wood, B. Sobocinsk i, and R. K. Parker, "Experimental Investigation on Broadband Millimeter Wave Gyro-TWT Ampl ifiers" Proc. 17th Intern. on Infrared and Millimeter Waves(1995)

 

 

1994


C. M. Armstrong, G. S. Park, A. K. Ganguly, R. H. Kyser, J. L. Hirshfield, "High Power Harmonic Gyro-Amplifiers for Millimeter-Wave Radar" Proceeding of IEEE Radar Conference(1994)

 

G. S. Park, J. J. Choi, S. Y. Park, C. M. Armstrong, A. K. Ganguly, R. H. Kyser, " Experimental Investigation of Two-Stage Tapered Gyro-Travelling Wave Tube Amplifier" Proceeding of Microwave Power Tube Conference(1994)

 

G. S. Park, C. M. Armstrong, A. K. Ganguly, R. H. Kyser, and J. L. Hirshfield, "35GHz Gyro-Peniotron Amplifier with Two-Stage Rising-Sun Interaction Structure" Proceeding of Microwave Power Tube Conference(1994)

 

P. M. Malouf, V. L. Granatstein, S. Y. Park, G. S. Park, C. M. Armstrong, B. J. Sobocinsky, F. M. Calise, G. L. Longrie, "Performance of the NRL Three-Stage, Mixed Geometry Gyrotwystron Amplifier" Proceeding of Microwave Power Tube Conference(1994)

 

G. S. Park, C. M. Armstrong, R. H. Kyser, A. K. Ganguly, J. L. Hirshfield, "Two-Stage 35GHz Gyro-peniotron Amplifier Experiment" Proc. 18th Intern. Conf. on Infrared and Millimeter Waves, 210-211(1994)

 

G.S. Park, C. M. Armstrong, R. H. Kyser, A. K. Ganguly, J. L. Hirshfield, "Nonlinear Theory of Harmonic Peniotron and Gyrotron Interaction in a Rising-sun Slotted Waveguide " Proc. 18th Intern. Conf. on Infrared and Millimeter Waves,210-211(1994)

 

G. S. Park, J. J. Choi, S. Y. Park, C. M. Armstrong, R. H. Kyser, A. K. Ganguly, K. T. Ny ugen, and R. K. Parker, "Experimental Investigation of Two-Stage Tapered Gyro-TWT Amplifie r" Proc. 18th Intern. Conf. on Infrared and Millimeter Waves, 417-418(1994)

 

G. S. Park, J. J. Choi, S. Y. Park, C. M. Armstrong, R. H. Kyser, A. K. Ganguly, K. T. Ny ugen, and R. K. Parker, "Operational Two-Stage Tapered Gyro-TWT Amplifier" Technical Dige st of International Electron Devices Meeting,255-258(1994)

 

 

1993


J. J. Choi, G. S. Park, S. Y. Park, C. M. Armstrong, R. H. Kyser, A. K. Ganguly, "Broadband Gyro-TWT Experiment at NRL" Proc. 18th Intern. Conf. on Infrared and Millimeter Waves, 529-530(1993)

 

G. S. Park, J. L. Hirshfield, R. H. Kyser, C. M. Armstrong, A. K. Ganguly, Two-Stage 35GHz Gyro-Peniotron Amplifier Experiment" Proc. 18th Intern. Conf. on Infrared and Millimeter Waves, 402-403(1993)

 

G. S. Park, J. J. Choi, S. Y. Park, C. M. Armstrong, A. K. Ganguly, R. H. Kyser, "Broadband Operation of Two-Stage Tapered Gyro-TWT Amplifier" Technical Digest of International Electron Devices Meeting, 351-353(1993)

 

G. S. Park, C. M. Armstrong, A. K. Ganguly, R. H. Kyser, J. L. Hirshfield, "High Effiency 35GHz Gyro-Peniotron" Proc. Vacuum Electronics Annual Review, IV-1(1993)

 

 

1992


V. L. Granatstein, T. M. Antonsen, Jr. B. Levush, G. S. Nusinovich, R. K. Parker, C. M. A rmstrong, A. K. Ganguly, G. S. Park, A. K. Ganguly, "The Physics of Frequency Agiles Source s" Proc. of HPM Conf.(1992)

 

G. S. Park, J. L. Hirshfield, R. H. Kyser, C. M. Armstrong, A. K. Ganguly, "35GHz Gyro-Peniotron Amplifier Experiment", Proc. 17th Intern. Conf. on Infrared and Millimeter Waves, 500-501(1992)

 

J. J. Choi, G. S. Park, S. Y. Park, C. M. Armstrong, R. H. Kyser, A. K. Ganguly, Broadband Gyro-TWT Experiment at NRL" Proc. 17th Intern. Conf. on Infrared and Millimeter Waves, 198-199(1992)

 

G. S. Park, C. M. Armstrong, R. H. Kyser, J. L. Hirshfield, "A Linear Polarized Coupler for Slotted Waveguide Interaction Structures" Technical Digest of International Electron Devices Meeting, 215-217(1992)

 

J. J. Choi, G. S. Park, S. Y. Park, C. M. Armstrong, R. H. Kyser, A. K. Ganguly, "A Broadband Two-Stage Tapered Gyro-TWT Amplifier" Technical Digest of International Electron Devices Meeting, 195-197(1992)

 

 

1991


G. S. Park, S. Y. Park, R. H. Kyser, C. M. Armstrong, A. K.Ganguly and R. K. Parker, "Experimental Study of Broadband Millimeter-Wave Gyrotron Travelling Wave Amplifier", Proc. 16th Intern. Conf. on. Infrared and Millimeter Waves, 198-199(1991)

 

G. S. Park, S. Y. Park, R. H. Kyser, C. M. Armstrong, and A. K. Ganguly "Investigation of Stability in a Tapered Gyro-TWT Amplifier" Technical Digest of International Electron Devices Meeting, 779-781(1991)

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