Frequency-Stabilized Terahertz Gyrotron Backward-Wave Oscillator During Electronic Tuning Process

Pan, S. and Du, C. and Gao, Z. and Bao, L. and Zhu, J. and Paoloni, C. and Liu, P. (2018) Frequency-Stabilized Terahertz Gyrotron Backward-Wave Oscillator During Electronic Tuning Process. In: 2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IEEE. ISBN 9781538638095

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Abstract

This paper proposes an electronic-tuning frequency stabilization scheme with power tuning for a Watt-level terahertz gyrotron oscillator in gyro-BWO state. The intrinsic positive relationship between electron-beam pitch factor a and accelerating voltage V in electron gun contributes to Doppler shift compensation during electronic tuning. When the pitch factor a varies from 1.1 to 1.9, the prototype three-sectioned gyrotron oscillator can be fixed at 253.98 GHz with 10 MHz level error. The output power is tuned by 40% from maximum. This approach is of importance for heat-effect-oriented applications in biomedicines and material processing.

Item Type:
Contribution in Book/Report/Proceedings
Subjects:
ID Code:
131087
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Deposited On:
29 Jan 2020 16:15
Refereed?:
Yes
Published?:
Published
Last Modified:
31 Mar 2020 01:05