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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: G. I. Stegeman
  • Vol. 23, Iss. 6 — Jun. 1, 2006
  • pp: 1074–1082

Optics InfoBase > JOSA B > Volume 23 > Issue 6 > Surface loss limit of the power scaling of a thin-disk laser

Surface loss limit of the power scaling of a thin-disk laser

Dmitrii Kouznetsov, Jean-François Bisson, Jun Dong, and Ken-ichi Ueda  »View Author Affiliations


JOSA B, Vol. 23, Issue 6, pp. 1074-1082 (2006)
http://dx.doi.org/10.1364/JOSAB.23.001074


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Abstract

We show that the general limit of power scaling of thin-disk lasers comes not only from the overheating and amplified spontaneous emission (ASE) but also from the surface loss. Overheating or thermal fracture increases the transverse size at the scaling, whereas ASE limits the gain-size product. The gain coefficient should decrease at the scaling. However, the round-trip gain should remain larger than the background loss; hence, the thickness should increase at the scaling. The limit of the output power per single active element occurs when the medium becomes too thick and cannot work efficiently without overheating. The maximum output power scales inversely with the cube of the surface loss coefficient. In the quasi-continuous regime, the average power scales inversely to the product of the duration of pulses to the repetition rate.

© 2006 Optical Society of America

OCIS Codes
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 5, 2005
Revised Manuscript: December 16, 2005
Manuscript Accepted: December 22, 2005

Citation
Dmitrii Kouznetsov, Jean-François Bisson, Jun Dong, and Ken-ichi Ueda, "Surface loss limit of the power scaling of a thin-disk laser," J. Opt. Soc. Am. B 23, 1074-1082 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-6-1074

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