Search Results - "Baik, C.W."

Electrothermal noise analysis in frequency tuning of nanoresonators by Jun, Seong Chan, Son, Hyungbin, Baik, C.W., Kim, J.M., Moon, S.W., Kim, H. Jin, Huang, X.M.H., Hone, J.

“…Electrothermal tuning mechanisms for nanoelectromechanical resonators are demonstrated. Voltages induced by oscillation of Al/SiC nanoresonators around 10MHz…”
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Optimization of electron beam focusing for gated carbon nanotube field emitter arrays by Jun Hee Choi, Zoulkarneev, A.R., Young-Jun Park, Deuk Seok Chung, Byung Kwon Song, Ho Suk Kang, Chan Wook Baik, In Taek Han, Ha Jin Kim, Mun Jin Shin, Ha Jong Kim, Tae Shik Oh, Yong Wan Jin, Jong Min Kim, Naesung Lee

“…We fabricated gated field emitter arrays with a novel focusing structure of electron beams, where the focusing electrode concentrically surrounded each gate…”
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Proof of Principle Experiment on Photonic Crystal Reflex Klystron by Jang, K.H., Won, J.H., So, J.K., Srivastava, A., Shin, Y.M., Baik, C.W., Park, G.S.

“…Owing to its simple scheme and no magnet requirement, a reflex klystron is considered as a suitable device for a compact, high frequency vacuum electron…”
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Electrothermal tuning and SNR of nanoelectromechanical resonators by Seong Chan Jun, Baik, C.W., Kim, S.I., Kim, J.M., Jin Kim, H., Huang, X.M.H., Hone, S.J.

“…Effects of electrothermal tuning mechanisms for nanoelectromechnical resonators are demonstrated. Voltages induced by oscillation of Al/SiC nanoresonators in a…”
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Frequency-multiplying gyrotron traveling-wave tube amplifier by Baik, C.W., Jeon, S.G., Kim, D.H., Sato, N., Yokoo, K., Park, G.S.

“…Summary form only given. The frequency multiplication was theoretically predicted and verified by experimental observation in a two-stage tapered gyrotron…”
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Experimental study on low-velocity-spread axis-encircling electron gun by Jeon, S.G., Baik, C.W., Kim, D.H., Jia, B., Park, G.S., Sato, N., Yokoo, K.

“…Summary form only given, as follows. The axial velocity spread was measured using a pin-hole and phosphor screen and the result was compared with the…”
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Experimental verification of frequency multiplication in two-stage tapered gyro-TWT by Baik, C.W., Jeon, S.G., Kim, D.H., Sinha, A.K., Sato, N., Yokoo, K., Park, G.S.

“…Summary form only given, as follows. A Ka-band harmonic multiplying two-stage tapered gyroTWT has been developed. The third harmonic interaction of electron…”
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Harmonic multiplying two-stage tapered gyro-TWT by Baik, C.W., Jeon, S.G., Kim, D.H., Ganguly, A.K., Choi, J.J., Park, G.S., Sato, N., Yokoo, K.

“…Summary form only given, as follows. A harmonic multiplying two-stage tapered gyrotron traveling-wave tube is being investigated experimentally to achieve high…”
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100GHz LIGA-fabricated coupled-cavity device by Srivastava, A., So, J.K., Sattorov, M.A., Kwon, O.J., Park, G.S., Baik, C.W., Kim, J.H., Chang, S.S.

“…This abstract describes the design, fabrication and testing of microfabricated 100 GHz coupled-cavity backward wave oscillator (CCBWO), which is operated in…”
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Proof of Principle Experiment on Photonic Crystal Reflex Klystron by Jang, K.H., Won, J.H., So, J.K., Srivastava, A., Shin, Y.M., Baik, C.W., Park, G.S.

“…Our research group has designed a photonic crystal reflex klystron which employs a high-order-mode resonator and multi-electron beams. Here a photonic crystal…”
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Study on Ballistic Bunching in Frequency Multiplying Distributed Interaction Gyroklystron Amplifier by Won, J.H., Baik, C.W., Kim, J.I., Joo, Y.D., Park, G.S.

“…We re-classify this two-stage and highly tapered gyro-device as distributed interaction two-cavity gyroklystron since this device has a finite interaction…”
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Comparative analysis on DRIE and LIGA fabrications for millimeter-wave backward-wave oscillators by Baik, C.W., So, J.K., Sattorov, M.A., Srivastava, A., Jang, K.H., Won, J.H., Son, Y.M., Kim, S.I., Kim, J.M., Kim, J.H., Chang, S.S., Park, G.S.

“…For the generation of millimeter wave from vacuum electron devices, the microfabrication of an interaction circuit is one of the key factors. Two different…”
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Third harmonic frequency multiplication of a two-stage tapered gyro-TWT amplifier by Baik, C.W., Jeon, S.G., Kim, D.H., Park, G.S., Sato, N., Yokoo, K.

“…The third harmonic frequency multiplication is experimentally verified using a two-stage tapered gyrotron traveling-wave tube amplifier in low-power operation…”
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Experimental study on low-velocity-spread axis-encircling electron beam by Jeon, S.G., Baik, C.W., Kim, D.H., Jia, B., Park, G.S., Sato, N., Yokoo, K.

“…The axial velocity spread of the axis-encircling electron beam generated by 30 kV Pierce-type cusp gun is measured. A pin-hole and phosphor screen was adapted…”
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Experimental study on low-velocity-spread axis-encircling electron gun for harmonic gyrotrons by Jeon, S.G., Baik, C.W., Kim, D.H., Jia, B., Park, G.S., Sato, N., Yokoo, K.

“…The annular Pierce-type electron gun was fabricated and used as a source of axis-encircling electron beam. Initial canonical angular momentum spreads at the…”
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Experimental verification of harmonic multiplication in Ka-band two-stage tapered gyro-TWT by Baik, C.W., Jeon, S.G., Kim, D.H., Ganguly, A.K., Park, G.S., Sato, N., Yokooo, K.

“…This paper deals about the experimental verification of harmonic multiplication in Ka-band two stage tapered Gyro-TWT, which has been designed and fabricated…”
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Experimental study on Ka-band harmonic-multiplying two-stage tapered gyro-TWT by Baik, C.W., Jeon, S.G., Kim, D.H., Ganguly, A.K., Choi, J.J., Park, G.S., Sato, N., Yokoo, K.

“…Summary form only given. An experimental setup of two-stage tapered harmonic multiplying gyrotron traveling-wave tube is being prepared to achieve high power…”
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Experimental study on low-velocity-spread axis-encircling electron gun by Jeon, S.G., Baik, C.W., Kim, D.H., Jia, B., Park, G.S., Sato, N., Yokoo, K.

“…The axial velocity spread is measured using a pin-hole and phosphor screen. The measured data is compared with the theoretical estimation. The theoretical…”
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Experimental investigation of Ka-band harmonic multiplying gyro-TWT by Baik, C.W., Jeon, S.G., Kim, D.H., Park, G.S., Sato, N., Yokoo, K.

“…To achieve high power millimeter waves at Ka-band, a harmonic-multiplying gyro-TWT is developed. The designed interaction circuit is a 2-stage waveguide that…”
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Experimental study on harmonic-multiplying two-stage tapered gyro-TWT by Baik, C.W., Jeon, S.G., Kim, D.H., Ganguly, A.K., Park, G.S.

“…A Ka-band harmonic-multiplying gyro-TWT has been designed using a self-consistent nonlinear theory and the experimental work is underway. A saturated gain of…”
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