Development of a water load for a Ka-band 10 kW continuous-wave gyrotron in an ECR ion source system

被引：4
|
作者：
Ok, Jung-Woo [1 ]
Choi, Seyong [1 ]
Lee, Byoung-Seob [1 ]
Yoon, Jang-Hee [1 ]
Park, Jin Yong [1 ]
Shin, Chang Seouk [1 ]
Won, Mi-Sook [1 ]
Hong, In-Seok [2 ]
机构：
[1] Korea Basic Sci Inst, Busan Ctr, Pusan 609735, South Korea
[2] Inst for Basic Sci Korea, Rare Isotope Sci Project, Taejon 305390, South Korea
来源：
JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2015年 / 66卷 / 03期
基金：
新加坡国家研究基金会;
关键词：
28; GHz; Electron-cyclotron-resonance ion source; Microwave; Water load;
D O I：
10.3938/jkps.66.349
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A gyrotron is used as a microwave power source in an electron-cyclotron-resonance (ECR) ion source system. In order to test the gyrotron, which operates at a frequency of 28 GHz in the continuous-wave (CW) mode, the Korea Basic Science Institute (KBSI) developed a water load that absorbed up to 10 kW of power. The water load consists of an aluminum jacket, a quartz window, and a waveguide. A distilled water flow of 13 L/min, sealed with the quartz window, is used as the absorbent. At 28 GHz, the S (11) parameter and the voltage standing-wave ratio (VSWR) of the water load design were calculated to be less than -30 dB and 1.05, respectively. In practical experiments, the increase in the water's temperature was approximately 10 A degrees C at the highest power.
引用
收藏
页码：349 / 352
页数：4
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