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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 2 — Jan. 10, 2005
  • pp: 266–270

Three-longitudinal-mode He–Ne laser frequency stabilized at 633 nm by thermal phase locking of the secondary beat frequency

Jin Yong Yeom and Tai Hyun Yoon  »View Author Affiliations


Applied Optics, Vol. 44, Issue 2, pp. 266-270 (2005)
http://dx.doi.org/10.1364/AO.44.000266


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Abstract

We present a simple scheme for thermal frequency stabilization of a three-longitudinal-mode He–Ne laser at 633 nm with improved short-term (5 × 10−11 at 1-s average time) and long-term (124-kHz standard deviation for 10 h) frequency stability. A stabilized output power of 3 mW was readily obtained from the central mode by polarization-mode selection. The optical frequency of the central mode could be precisely tuned by an external frequency reference over 160 MHz with high precision or could be optically phase locked to a reference laser by use of a thermal frequency-stabilization circuit and an external acousto-optic modulator. The laser will be useful in various applications for which a laser source with high power and frequency stability is necessary.

© 2005 Optical Society of America

OCIS Codes
(140.1340) Lasers and laser optics : Atomic gas lasers
(140.3570) Lasers and laser optics : Lasers, single-mode
(140.7300) Lasers and laser optics : Visible lasers

History
Original Manuscript: March 29, 2004
Revised Manuscript: August 10, 2004
Manuscript Accepted: September 28, 2004
Published: January 10, 2005

Citation
Jin Yong Yeom and Tai Hyun Yoon, "Three-longitudinal-mode He–Ne laser frequency stabilized at 633 nm by thermal phase locking of the secondary beat frequency," Appl. Opt. 44, 266-270 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-2-266

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