Frequency-stabilized diode laser at 780 nm with a continuously locked time over 100 h
Chinese Optics Letters, Vol. 8, Issue 5, pp. 496-498 (2010)
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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.
© 2010 Chinese Optics Letters
OCIS Codes
(140.2020) Lasers and laser optics : Diode lasers
(140.3425) Lasers and laser optics : Laser stabilization
(250.5960) Optoelectronics : Semiconductor lasers
Citation
Tong Zhou, Xianghui Qi, Qing Wang, Wei Xiong, Jun Duan, Xiaoji Zhou, and Xuzong Chen, "Frequency-stabilized diode laser at 780 nm with a continuously locked time over 100 h," Chin. Opt. Lett. 8, 496-498 (2010)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-8-5-496
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