Design of a 140 GHz waveguide notch filter for millimeter-wave receiver module protection in fusion plasma diagnostics.

IF 1.3 4区 工程技术 Q3 INSTRUMENTS & INSTRUMENTATION
Shasha Qiu, Logan Himes, Calvin Domier, Xiaopin Tang, Xianzi Liu, Fengqi Hu, Guanying Yu, Xiaoliang Li, Yilun Zhu, Neville Luhmann, Jinlin Xie, Zhengwei Wu
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引用次数: 0

Abstract

A carefully designed waveguide-based millimeter-wave notch filter, operating at 140 GHz, safeguards plasma diagnostic instruments from gyrotron leakage. Utilizing cylindrical cavity resonators with aperture coupling, the filter efficiently resonates 140 GHz wave-power into the TE11p mode, optimizing various geometrical parameters for practical fabrication and high-yield production. Thorough thermal analysis ensures its ability to handle power. The filter achieves outstanding performance with over 90 dB rejection at 140 GHz while providing low insertion loss over the passband (110-138 GHz), which is ideally suited for system-on-chip approach F-band diagnostic system applications.

设计用于聚变等离子体诊断中毫米波接收器模块保护的 140 GHz 波导陷波滤波器。
精心设计的基于波导的毫米波陷波滤波器工作频率为 140 GHz,可保护等离子体诊断仪器免受回旋加速器泄漏的影响。该滤波器利用具有孔径耦合的圆柱形空腔谐振器,将 140 GHz 波功率有效谐振到 TE11p 模式,优化了各种几何参数,以实现实际制造和高产量生产。全面的热分析确保了其处理功率的能力。该滤波器性能卓越,在 140 GHz 时抑制超过 90 dB,同时在通带(110-138 GHz)上具有低插入损耗,非常适合片上系统 F 波段诊断系统应用。
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来源期刊
Review of Scientific Instruments
Review of Scientific Instruments 工程技术-物理:应用
CiteScore
3.00
自引率
12.50%
发文量
758
审稿时长
2.6 months
期刊介绍: Review of Scientific Instruments, is committed to the publication of advances in scientific instruments, apparatuses, and techniques. RSI seeks to meet the needs of engineers and scientists in physics, chemistry, and the life sciences.
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