High quality operation of high frequency gyrotron

被引：2
|
作者：
Ogawa, I [1 ]
Idehara, T [1 ]
Iwata, Y [1 ]
Pavlichenko, R [1 ]
Mitsudo, S [1 ]
Wagner, D [1 ]
Thumm, M [1 ]
机构：
[1] Fukui Univ, Fac Engn, Fukui 9108507, Japan
来源：
TWENTY SEVENTH INTERNATIONAL CONFERENCE ON INFRARED AND MILLIMETER WAVES, CONFERENCE DIGEST | 2002年
关键词：
D O I：
10.1109/ICIMW.2002.1076200
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
High frequency, medium power gyrotrons (Gyrotron FU series) have been developed at Fukui University as radiation sources covering a broad frequency band from millimeter to submillimeter wave region. Conversion from gyrotron output of circular waveguide mode into Gaussian-like beam is useful for applications of gyrotron to a wide field. High mode purity output is necessary for an effective conversion. In order to improve mode purity, a nonlinear cavity which is designed using a scattering matrix code and exquisitely is fabricated is installed in the Gyrotron FU VA. The measurement of radiation patterns confirmed a high purity mode operation.
引用
收藏
页码：293 / 294
页数：2
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