Operation of a dielectric-loaded wideband gyro-TWT amplifier

Keh-Chyang Leou; David B. McDermott; Frederic V. Hartemann; Chae K. Chong; Neville C. Luhmann Jr.

doi:10.1117/12.175768

13 May 1994 Operation of a dielectric-loaded wideband gyro-TWT amplifier

Keh-Chyang Leou, David B. McDermott, Frederic V. Hartemann, Chae K. Chong, Neville C. Luhmann Jr.

Proceedings Volume 2154, Intense Microwave Pulses II; (1994) https://doi.org/10.1117/12.175768
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

The bandwidth of a gyro-TWT has been broadened by partially filling the interaction circuit with dielectric to reduce its dispersion. Initial hot tests of the X-band frequency, proof-of- principle experiment demonstrated zero-drive stability and achieved a peak output power of 55 kW with 11% efficiency, 27 dB saturated gain, and an unprecedented constant-drive bandwidth of 11% for a 100 kV, 5A, (alpha) equals (upsilon) _{(perpendicular})/(upsilon) _z equals 0.6 electron beam. As predicted by simulation studies, the amplifier's performance can be further enhanced with improved beam quality.

Citation Download Citation

Keh-Chyang Leou, David B. McDermott, Frederic V. Hartemann, Chae K. Chong, and Neville C. Luhmann Jr. "Operation of a dielectric-loaded wideband gyro-TWT amplifier", Proc. SPIE 2154, Intense Microwave Pulses II, (13 May 1994); https://doi.org/10.1117/12.175768

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