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Analysis of iris-loaded resonance cavity in miniaturized maser |
Zu-Gen Guo(郭祖根), Yong Zhang(张勇), Tao Tang(唐涛), Zhan-Liang Wang(王战亮), Yu-Bin Gong(宫玉彬), Fei Xiao(肖飞), Hua-Rong Gong(巩华荣) |
National Key Laboratory of Science and Technology on Vacuum Electronics, School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China |
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Abstract The size reduction of atomic clocks is a long-standing research issue. Many atomic clocks such as passive hydrogen masers (PHMs) and compact rubidium masers (CRMs) use iris-loaded resonance cavities (IRCs) as their microwave cavities because they can dramatically reduce the radical sizes of the atomic clocks. In this paper, the electromagnetic characteristic of the IRC is investigated by a theoretical model based on electromagnetic field theory. The formulas to calculate the resonance frequency, quality factor, and magnetic energy filling factor are presented. The relationship between the IRC structure and its electromagnetic characteristic is clarified. The theoretical calculation results accord well with the electromagnetic software simulations and experimental results. The results in this paper should be helpful in understanding the physical mechanism of the IRC and designing the atomic clocks.
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Received: 10 December 2019
Revised: 01 March 2020
Accepted manuscript online:
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PACS:
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06.30.Ft
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(Time and frequency)
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07.57.Pt
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(Submillimeter wave, microwave and radiowave spectrometers; magnetic resonance spectrometers, auxiliary equipment, and techniques)
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84.40.Ua
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(Telecommunications: signal transmission and processing; communication satellites)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 61371052). |
Corresponding Authors:
Hua-Rong Gong
E-mail: hrgong@uestc.edu.cn
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Cite this article:
Zu-Gen Guo(郭祖根), Yong Zhang(张勇), Tao Tang(唐涛), Zhan-Liang Wang(王战亮), Yu-Bin Gong(宫玉彬), Fei Xiao(肖飞), Hua-Rong Gong(巩华荣) Analysis of iris-loaded resonance cavity in miniaturized maser 2020 Chin. Phys. B 29 050601
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