The Study of a Millimeter to Submillimeter Wave Multiband High-Power Broadband Window

被引：14

作者：

Wang, Jianxun ^{[1
]}

Ren, Xuxun ^{[1
]}

Tian, Qizhi ^{[1
]}

Yang, Liya ^{[1
]}

Yao, Yelei ^{[1
]}

Luo, Yong ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Chengdu, Peoples R China

来源：

JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES | 2017年 / 38卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Broadband window; High power; Multiband; C-axis sapphire disc;

D O I：

10.1007/s10762-017-0373-2

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：

The theory of multilayer microwave window is investigated and applied to design a broadband high-power output window for a Q-band sheet beam traveling wave tube (SBTWT). The multilayer window consists of a c-axis sapphire disc (the geometry axis parallel to optical axis) in the middle and two identical matching quartz discs tightly attached on both sides. It presents a good multiband wideband and high-power performance from millimeter wave to terahertz range. The thermal property is analyzed and shows a more than 60 kW CW operating capability can be reached. The window is manufactured and cold tested shows a -17 dB reflection bandwidth over 15 GHz (34%). The theory analysis, simulation, and cold test present a good consistency.

引用

页码：717 / 726

页数：10

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