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用于铷原子频标的磁控管腔研究

Investigation on magnetron cavity used in rubidium atomic frequency standards

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摘要

研究了一种应用于铷原子频标的磁控管腔,对用于磁控管腔的主要特征和参数计算进行了研究,主要包括磁控管腔的谐振频率、Q值、微波场模式。 研究结果表明磁控管腔的谐振频率可以调谐至6.835 GHz,Q值都能够调至600~1000之间,其微波场谐振模式是典型的TE011 模式,频率 温度系数较小(32.5~35.0 kHz/℃),所设计的磁控管腔能够满足铷原子钟物理部分的设计要求。

Abstract

The magnetron cavity was developed for use in the rubidium atomic frequency standards, through which the main characteristics of the magnetron cavity were studied, mainly including the resonant frequency, quality factor, oscillation mode. The results show that the resonant frequency of the magnetron cavity can be attenuated to 6.835 GHz, which is the resonant frequency for rubidium atoms, and Q-factor can be attenuated to 600~1000, the oscillation mode is typical TE011 mode which is needed for the rubidium atomic frequency standard, and the cavity has a lower frequency temperature coefficient (32.5~35.0 kHz/℃), therefore these derivative magnetron cavities can meet the requirements for rubidium atomic frequency standards well.

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中图分类号:O433

DOI:10.3969/j.issn.1007-5461.2012.04.003

所属栏目:基础光学

收稿日期:2011-06-08

修改稿日期:2011-09-23

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作者单位    点击查看

杨世宇:兰州空间技术物理研究所, 甘肃 兰州 730000
梁耀廷:兰州空间技术物理研究所, 甘肃 兰州 730000
涂建辉:兰州空间技术物理研究所, 甘肃 兰州 730000
崔敬忠:兰州空间技术物理研究所, 甘肃 兰州 730000

联系人作者:杨世宇(yangshiyu1979@126.com)

备注:杨世宇(1979-),工程师,主要从事量子频标技术的研究工作。

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引用该论文

YANG Shi-yu,LIANG Yao-ting,TU Jian-hui,CUI Jing-zhong. Investigation on magnetron cavity used in rubidium atomic frequency standards[J]. Chinese Journal of Quantum Electronics, 2012, 29(4): 400-405

杨世宇,梁耀廷,涂建辉,崔敬忠. 用于铷原子频标的磁控管腔研究[J]. 量子电子学报, 2012, 29(4): 400-405

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