Robust external cavity diode laser system with high frequency stability for Cs atomic clock

Jun Ruan; Jie Liu; Jie Ma; Zhijing Du; Changjiang Wu; Shougang Zhang

doi:10.3788/COL20100803.0300

Chinese Optics Letters, Volume. 8, Issue 3, 300(2010)

Robust external cavity diode laser system with high frequency stability for Cs atomic clock

Jun Ruan^1,2, Jie Liu^1,2, Jie Ma¹, Zhijing Du^1,2, Changjiang Wu^1,2, and Shougang Zhang¹

Author Affiliations

¹National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China

²Graduate University of Chinese Academy of Sciences, Beijing 100049, China

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A robust external cavity diode laser (ECDL) insensitive to mechanical vibration is built with an interference filter for selecting wavelength and a cat-eye reflector for light feedback. The free-running laser has a linewidth of 72 kHz. The laser frequency stability reaches 3×10<sup>-12</sup> at 1-s integration time in terms of relative Allan variance based on the saturation absorption spectrum.

Keywords

120.6085 140.2020 140.3425 350.2460

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Jun Ruan, Jie Liu, Jie Ma, Zhijing Du, Changjiang Wu, Shougang Zhang, "Robust external cavity diode laser system with high frequency stability for Cs atomic clock," Chin. Opt. Lett. 8, 300 (2010)

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Paper Information

Received: Jun. 15, 2009

Accepted: --

Published Online: Mar. 11, 2010

The Author Email:

DOI:10.3788/COL20100803.0300

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology