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Chin. Opt. Lett.
 Home  List of Issues    Issue 05 , Vol. 08 , 2010    10.3788/COL20100805.0496


Frequency-stabilized diode laser at 780 nm with a continuously locked time over 100 h
Tong Zhou, Xianghui Qi, Qing Wang, Wei Xiong, Jun Duan, Xiaoji Zhou, Xuzong Chen
Institute of Quantum Electronics, School of Electronics Engineering and Computer Science, [Peking University], Beijing 100871, China

Chin. Opt. Lett., 2010, 08(05): pp.496-498-3

DOI:10.3788/COL20100805.0496
Topic:Lasers and laser optics
Keywords(OCIS Code): 140.2020  140.3425  250.5960  

Abstract
Two extended-cavity diode lasers at 780 nm which are longtime frequency-stabilized to Rb87 saturated absorption signals are reported. A high-performance frequency-locking circuit module using a first-harmonic detection technique is designed and achieved. Two lasers are continuously frequency-stabilized for over 100 h in conventional laboratory condition. The Allan standard deviation of either laser is estimated to be 1.3×10<sup>-11</sup> at an integration time of 25 s. The system environment temperature drift is demonstrated to be the main factor affecting long-term stability of the stabilized lasers based on our correlation study between beat frequency and system environment temperature.

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Received:2009/10/12
Accepted:
Posted online:

Get Citation: Tong Zhou, Xianghui Qi, Qing Wang, Wei Xiong, Jun Duan, Xiaoji Zhou, Xuzong Chen, "Frequency-stabilized diode laser at 780 nm with a continuously locked time over 100 h," Chin. Opt. Lett. 08(05), 496-498-3(2010)

Note: This work was partially supported by the National "973" Program of China (Nos.2005CB724503, 2006CB921402, and 2006CB921401) and the National Natural Science Foundation of China (Nos. 60490280 and 10874008).



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