The long-term frequency stability of the rubidium atomic clock is primarily affected by temperature variations in the lamp oven and the cavity oven, which cause changes in light intensity, which are then converted into frequency variations. Therefore, we propose using light intensity variations to actively improve the cavity oven and lamp oven temperature sensitivity of the rubidium atomic clock. This is accomplished through research into the theory of the rubidium atomic frequency standard, specifically the effect of light intensity, lamp oven temperature, and cavity oven temperature on the frequency deviation. In previous work, we discovered the relationship between the light intensity and frequency deviation by combining this with our engineering expertise. Furthermore, some related experiments show that the method is feasible with the lamp oven and cavity oven temperature sensitivity of the rubidium atomic clock greatly improved, providing an effective way to improve the rubidium atomic clock’s long-term frequency stability.
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January 2023
Research Article|
January 06 2023
Mitigation of lamp oven and cavity oven temperature-induced frequency variation in rubidium atomic clock
Yonggang Guo
;
Yonggang Guo
a)
(Data curation, Resources, Software, Writing – original draft, Writing – review & editing)
Lanzhou Space Technology Institute of Physics
, No. 100 Feiyan Roud, Chengguan District, Lanzhou, Gansu Province 730000, China
a)Author to whom correspondence should be addressed: meike24@126.com
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Shiwei Wang;
Shiwei Wang
(Formal analysis)
Lanzhou Space Technology Institute of Physics
, No. 100 Feiyan Roud, Chengguan District, Lanzhou, Gansu Province 730000, China
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Lili Zhu;
Lili Zhu
a)
(Writing – review & editing)
Lanzhou Space Technology Institute of Physics
, No. 100 Feiyan Roud, Chengguan District, Lanzhou, Gansu Province 730000, China
a)Author to whom correspondence should be addressed: meike24@126.com
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Zhiwei Cai;
Zhiwei Cai
(Resources)
Lanzhou Space Technology Institute of Physics
, No. 100 Feiyan Roud, Chengguan District, Lanzhou, Gansu Province 730000, China
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Fang Lu;
Fang Lu
(Methodology)
Lanzhou Space Technology Institute of Physics
, No. 100 Feiyan Roud, Chengguan District, Lanzhou, Gansu Province 730000, China
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Wenxin Li;
Wenxin Li
(Writing – review & editing)
Lanzhou Space Technology Institute of Physics
, No. 100 Feiyan Roud, Chengguan District, Lanzhou, Gansu Province 730000, China
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Zhidong Liu
Zhidong Liu
(Project administration)
Lanzhou Space Technology Institute of Physics
, No. 100 Feiyan Roud, Chengguan District, Lanzhou, Gansu Province 730000, China
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a)Author to whom correspondence should be addressed: meike24@126.com
Rev. Sci. Instrum. 94, 014706 (2023)
Article history
Received:
October 12 2022
Accepted:
December 22 2022
Citation
Yonggang Guo, Shiwei Wang, Lili Zhu, Zhiwei Cai, Fang Lu, Wenxin Li, Zhidong Liu; Mitigation of lamp oven and cavity oven temperature-induced frequency variation in rubidium atomic clock. Rev. Sci. Instrum. 1 January 2023; 94 (1): 014706. https://doi.org/10.1063/5.0130524
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