Experimental Investigations and Analysis of Parasitic RF Oscillations in High-Power Gyrotrons

被引：69

作者：

Gantenbein, Gerd ^{[1
]}

Dammertz, Guenter ^{[1
]}

Flamm, Jens ^{[2
]}

Illy, Stefan ^{[1
]}

Kern, Stefan ^{[1
]}

Latsas, George ^{[3
]}

Piosczyk, Bernhard ^{[1
]}

Rzesnicki, Tomasz ^{[1
]}

Samartsev, Andrey ^{[1
]}

Schlaich, Andreas ^{[2
]}

Thumm, Manfred ^{[1
,2
]}

Tigelis, Ioannis ^{[3
]}

机构：

[1] Karlsruhe Inst Technol, Inst Pulsed Power & Microwave Technol IHM, Assoc EURATOM KIT, D-76131 Karlsruhe, Germany

[2] Karlsruhe Inst Technol, Inst High Frequency Tech & Elect IHE, D-76131 Karlsruhe, Germany

[3] Univ Athens, Fac Phys, Athens 15784, Greece

来源：

IEEE TRANSACTIONS ON PLASMA SCIENCE | 2010年 / 38卷 / 06期

关键词：

Beam tunnel; gyrotron; parasitic oscillations;

D O I：

10.1109/TPS.2010.2041366

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Megawatt gyrotrons are found to suffer from various parasitic oscillations, in particular, RF oscillations in the beam tunnel prior to the desired interaction zone (the cavity). This paper describes the experimental results from a gyrotron experiment which was dedicated to investigate parasitic oscillations in the beam tunnel and to verify improved beam-tunnel structures. A system for improved spectral measurements and a new analysis method are presented. The results verify theoretical predictions on the parasitic oscillations, and in effect validate the corresponding improved beam-tunnel structure. In addition, other types of parasitic oscillations were observed and explained.

引用

页码：1168 / 1177

页数：10

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