小型化氢脉泽原子储存时间设计

doi:10.11938/cjmr20192712

波谱学杂志 ›› 2020, Vol. 37 ›› Issue (2): 200-208.doi: 10.11938/cjmr20192712

小型化氢脉泽原子储存时间设计

何克亮^1,2, 张为群¹, 林传富¹

1. 中国科学院上海天文台, 上海 200030;
2. 中国科学院大学, 北京 100049

收稿日期:2019-02-02 出版日期:2020-06-05 发布日期:2019-05-30
通讯作者: 张为群,Tel:13585738245,E-mail:wqzhang@shao.ac.cn. E-mail:wqzhang@shao.ac.cn

Design of the Atomic Storage Time of a Miniaturized Hydrogen Maser

HE Ke-liang^1,2, ZHANG Wei-qun¹, Lin Chuan-fu¹

1. Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China

Received:2019-02-02 Online:2020-06-05 Published:2019-05-30

摘要/Abstract

摘要： 氢微波激射器（氢脉泽）采用原子储存泡对氢原子进行囚禁，在低损耗谐振腔内形成稳定的自持振荡.本文采用具备低腔频温度系数的介质加载谐振腔替换传统的腔-泡结构，实现了氢脉泽的小型化；并分析了这种小型化方案对频率稳定度和准确度的影响.原子储存时间设计值为0.4 s，闭环后的频率稳定度为5.6×10^-15/（1 000 s），与储存时间设计结果相吻合.

关键词: 氢脉泽, 原子储存时间, 弛豫时间, 频率稳定度

Abstract: A hydrogen maser confines hydrogen atoms in the storage bulb and produces self-sustained oscillation in a low-loss resonance cavity. In this work, a miniaturized hydrogen maser was designed and fabricated utilizing a dielectric loaded cavity having a low frequency-temperature coefficient. The frequency stability and accuracy of the hydrogen maser were analyzed. The experimentally measured atomic storage time of the hydrogen maser was 0.4 s, and the frequency stability 5.6×10^-15/(1 000 s), agreeing with the design.

Key words: hydrogen maser, atomic storage time, relaxation time, frequency stability

中图分类号:

何克亮, 张为群, 林传富. 小型化氢脉泽原子储存时间设计[J]. 波谱学杂志, 2020, 37(2): 200-208.

HE Ke-liang, ZHANG Wei-qun, Lin Chuan-fu. Design of the Atomic Storage Time of a Miniaturized Hydrogen Maser[J]. Chinese Journal of Magnetic Resonance, 2020, 37(2): 200-208.

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小型化氢脉泽原子储存时间设计

Design of the Atomic Storage Time of a Miniaturized Hydrogen Maser

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