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Chin. Phys. B, 2009, Vol. 18(9): 3839-3843    DOI: 10.1088/1674-1056/18/9/037
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

Study of a low power dissipation, miniature laser-pumped rubidium frequency standard

Liu Guo-Bin(刘国宾)a)b), Zhao Feng(赵峰)a), and Gu Si-Hong(顾思洪)a)†
a Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China; b Graduate School, Chinese Academy of Sciences, Beijing 100080, China
Abstract  This paper studies a miniature low power consumption laser-pumped atom vapour cell clock scheme. Pumping 87Rb with a vertical cavity surface emitting laser diode pump and locking the laser frequency on a Doppler-broadened spectral line, it records a 5× 10-11$\tau$-1/2 ($\tau$ < 500 s) frequency stability with a table-top system in a primary experiment. The study reveals that the evaluated scheme is at the level of 2.7 watts power consumption, 90 cm3 volume and 10-12$\tau$ -1/2 short-term frequency stability.
Keywords:  laser-pumped atom clock      laser frequency stabilization      rubidium vapour cell clock  
Received:  12 January 2009      Revised:  16 January 2009      Accepted manuscript online: 
PACS:  32.80.Xx (Level crossing and optical pumping)  
  32.70.Jz (Line shapes, widths, and shifts)  
  42.62.-b (Laser applications)  
Fund: Project supported by National Natural Science Foundation of China (Grant Nos 10574141 and 10675162).

Cite this article: 

Liu Guo-Bin(刘国宾), Zhao Feng(赵峰), and Gu Si-Hong(顾思洪) Study of a low power dissipation, miniature laser-pumped rubidium frequency standard 2009 Chin. Phys. B 18 3839

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