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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 45, Iss. 36 — Dec. 20, 2006
  • pp: 9203–9209

Generalized formula for continuous-wave end-pumped Yb-doped material amplifier gain and laser output power in various pumping configurations

Gilbert L. Bourdet and Eric Bartnicki  »View Author Affiliations

Applied Optics, Vol. 45, Issue 36, pp. 9203-9209 (2006)

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We present a general formula fitted for computing the amplification and laser output power in a Yb-doped material under various quasi-end-pumping configurations. These configurations include single pass pumping, backreflection pumping in which the pump is reflected by a mirror set on the rear face of the amplifier medium, contrapropagation pumping where two pump beams are launched on both sides of the amplifier and, for every configuration, regenerative pumping in which the transmitted or reflected pump beam is recycled using the proper apparatus. We show that, with regenerative pumping, the efficiency is drastically improved and the optimum amplifier length leading to the maximum laser output power is shorter compared with the one obtained with conventional pumping. In this model, we do not take temperature effect into account.

© 2006 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.5560) Lasers and laser optics : Pumping

Original Manuscript: July 25, 2006
Manuscript Accepted: August 25, 2006

Gilbert L. Bourdet and Eric Bartnicki, "Generalized formula for continuous-wave end-pumped Yb-doped material amplifier gain and laser output power in various pumping configurations," Appl. Opt. 45, 9203-9209 (2006)

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