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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 9 — Sep. 1, 2007
  • pp: 2327–2332

Determination of the thermal loading in laser-diode-pumped erbium-ytterbium-codoped phosphate glass microchip laser

Feng Song, Shujing Liu, Zhaohui Wu, Hong Cai, Xin Zhang, Li Teng, and Jianguo Tian  »View Author Affiliations

JOSA B, Vol. 24, Issue 9, pp. 2327-2332 (2007)

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The fractional thermal loading in a laser-diode-pumped erbium-ytterbium-codoped phosphate glass microchip laser is an important parameter. We have developed two methods to determine the fractional thermal loading when the laser is operating on fundamental mode. By measuring far-field divergence angles, the thermal focal length and the fractional thermal loading of a microchip TEM 00 laser with a short cavity length can be calculated. The fractional thermal loading is also obtained through numerical calculations of rate equations with the consideration of upconversion processes. The results of these two methods are in good agreement.

© 2007 Optical Society of America

OCIS Codes
(000.2690) General : General physics
(140.3500) Lasers and laser optics : Lasers, erbium
(140.6810) Lasers and laser optics : Thermal effects

ToC Category:
Lasers and Laser Optics

Original Manuscript: December 1, 2006
Revised Manuscript: June 27, 2007
Manuscript Accepted: June 28, 2007
Published: August 22, 2007

Feng Song, Shujing Liu, Zhaohui Wu, Hong Cai, Xin Zhang, Li Teng, and Jianguo Tian, "Determination of the thermal loading in laser-diode-pumped erbium-ytterbium-codoped phosphate glass microchip laser," J. Opt. Soc. Am. B 24, 2327-2332 (2007)

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