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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 9 — Sep. 1, 2007
  • pp: 2213–2217

Q-switched lasers with optical cooling

Xiaofeng Wang, Dingxiang Cao, Mu Zhou, and Jichun Tan  »View Author Affiliations


JOSA B, Vol. 24, Issue 9, pp. 2213-2217 (2007)
http://dx.doi.org/10.1364/JOSAB.24.002213


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Abstract

A new approach to the design of Q-switched solid-state lasers is proposed that offsets heating loads by anti-Stokes fluorescence. In this ideal system, the pump will cool the gain media when the Q switch is off and removes the thermal loads that are generated by the laser pulse when the Q switch is on. The algebraic equations and analytic expressions are derived from the set of coupled rate equations and the requirements for Q-switched radiation balance. Numerical simulation of Yb-doped potassium gadolinium tungstate is provided as an example. Very high average power lasers with 1 kHz repetition rate should be possible under ideal conditions.

© 2007 Optical Society of America

OCIS Codes
(140.3320) Lasers and laser optics : Laser cooling
(140.3430) Lasers and laser optics : Laser theory
(140.6810) Lasers and laser optics : Thermal effects

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 6, 2007
Revised Manuscript: May 12, 2007
Manuscript Accepted: May 18, 2007
Published: August 15, 2007

Citation
Xiaofeng Wang, Dingxiang Cao, Mu Zhou, and Jichun Tan, "Q-switched lasers with optical cooling," J. Opt. Soc. Am. B 24, 2213-2217 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-9-2213

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