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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 6 — Jun. 1, 2012
  • pp: 1270–1276

Modeling of amplified spontaneous emission, heat deposition, and energy extraction in cryogenically cooled multislab Yb3+:YAG laser amplifier for the HiLASE Project

Magdalena Sawicka, Martin Divoky, Jakub Novak, Antonio Lucianetti, Bedrich Rus, and Tomas Mocek  »View Author Affiliations


JOSA B, Vol. 29, Issue 6, pp. 1270-1276 (2012)
http://dx.doi.org/10.1364/JOSAB.29.001270


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Abstract

A three-dimensional ray-tracing code for determination of amplified spontaneous emission in a multislab laser amplifier is presented. In addition to energy stored in the amplifier, the code also calculates the heat distribution and the amplification of the signal beam. For cryogenically cooled multislab amplifiers with Yb3+:YAG and absorptive Cr4+:YAG cladding, energy storage efficiency greater than 52% and small signal gain of 22m1 were obtained. The pump energy converted to heat was found to be 11% in the active volume and 50% in the Cr4+:YAG cladding.

© 2012 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 23, 2012
Revised Manuscript: March 16, 2012
Manuscript Accepted: March 19, 2012
Published: May 17, 2012

Citation
Magdalena Sawicka, Martin Divoky, Jakub Novak, Antonio Lucianetti, Bedrich Rus, and Tomas Mocek, "Modeling of amplified spontaneous emission, heat deposition, and energy extraction in cryogenically cooled multislab Yb3+:YAG laser amplifier for the HiLASE Project," J. Opt. Soc. Am. B 29, 1270-1276 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-6-1270

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