OBSERVATION OF CHIRPING IN A TRAVELING-WAVE CYCLOTRON MASER EXPERIMENT

被引：5
|
作者：
JERBY, E
BEKEFI, G
SHAHADI, A
机构：
[1] MIT,DEPT PHYS,CAMBRIDGE,MA 02139
[2] MIT,ELECTR RES LAB,CAMBRIDGE,MA 02139
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1994年 / 341卷 / 1-3期
关键词：
D O I：
10.1016/0168-9002(94)90330-1
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Following the recent traveling-wave cyclotron (TWC) amplifier experiment at MIT, we report in this paper on a frequency modulation (FM) effect observed in the TWC oscillator experiment conducted at Tel Aviv University. The TWC oscillator operates in the microwave regime (9.4 GHz). It consists of a low-energy (8 keV) low-current (0.2 A) electron beam spiraling in a metallic periodic waveguide. The TWC oscillator produces an RF pulse of approximately 400 W power. Frequency modulation (chirping) is observed during the TWC pulse by an heterodyne technique. This effect is related to the electron energy variation during the pulse.
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页码：115 / 118
页数：4
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