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A Small High-temperature Rubidium Frequency Standard

A Small High-temperature Rubidium Frequency Standard

作     者:Yuxi Li Shiguang Li Tongmin Yang Nina Ma Zhaohua Liu Weili Wang Liang Wang 

作者单位:Beijing Institute of Radio Metrology and Measurement 

会议名称:《第十四届中国卫星导航年会》

会议日期:2023年

学科分类:0809[工学-电子科学与技术(可授工学、理学学位)] 08[工学] 

摘      要:The rubidium frequency standard is widely used in many fields because of its small size,reliable performance,and economical ***,the current mainstream commercial rubidium frequency standard has a working temperature range of-45℃ to +70℃,which cannot meet the longterm use requirements of high temperature environments above +70 ℃.The operating temperature of the physical package of the rubidium frequency standard is improved by changing the parameters such as the type of buffer gas,gas pressure,and type of rubidium filling in the rubidium bulb and rubidium absorption *** operating temperature range of the small high-temperature rubidium frequency standard is expanded to-45℃~ +80℃,and the volume is compressed to 100mm×100mm×*** test data shows that the frequency stability of the small high-temperature rubidium frequency standard is better than 3E-11/τ(τ:1s~1000s),the temperature frequency characteristic is better than 5E-9 in the range of-45 ℃~ +80 ℃,and it can remain locked at the ambient temperature of +85℃.

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