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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 15 — Aug. 1, 2014
  • pp: 4416–4419

Temperature-insensitive laser frequency stabilization to molecular absorption edge using an acousto-optic modulator

Lin Xin, Cheng Xuewu, Li Faquan, Yang Yong, Wu Kuijun, Li Yajuan, Xia Yuan, and Gong Shunsheng  »View Author Affiliations


Optics Letters, Vol. 39, Issue 15, pp. 4416-4419 (2014)
http://dx.doi.org/10.1364/OL.39.004416


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Abstract

A temperature-insensitive edge laser frequency stabilization method with an acousto-optic modulator (AOM) was proposed and demonstrated both theoretically and experimentally in this Letter. In the method, in addition to the unshifted laser frequency, two other shifted frequencies were generated by the AOM. The intensity ratio of these two shifted frequencies was used to stabilize the laser. As the intensity ratio was nearly constant despite the temperature change, the proposed method was temperature insensitive. The theoretical and experimental results showed that the frequency drift of a stabilized laser induced by temperature change was reduced by more than 2 orders of magnitude by using the proposed method when compared with traditional frequency stabilization without an AOM.

© 2014 Optical Society of America

OCIS Codes
(230.1040) Optical devices : Acousto-optical devices
(280.3640) Remote sensing and sensors : Lidar
(300.6390) Spectroscopy : Spectroscopy, molecular
(140.3425) Lasers and laser optics : Laser stabilization

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: May 28, 2014
Revised Manuscript: June 23, 2014
Manuscript Accepted: June 24, 2014
Published: July 23, 2014

Citation
Lin Xin, Cheng Xuewu, Li Faquan, Yang Yong, Wu Kuijun, Li Yajuan, Xia Yuan, and Gong Shunsheng, "Temperature-insensitive laser frequency stabilization to molecular absorption edge using an acousto-optic modulator," Opt. Lett. 39, 4416-4419 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-15-4416

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