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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 17 — Jun. 10, 2010
  • pp: 3357–3362

Thermal loading in laser diode end-pumped Yb 3 + / E r 3 + codoped phosphate glass laser

Suya Feng, Shunguang Li, Li Chen, Wei Chen, and Lili Hu  »View Author Affiliations


Applied Optics, Vol. 49, Issue 17, pp. 3357-3362 (2010)
http://dx.doi.org/10.1364/AO.49.003357


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Abstract

We investigate, based on laser performance, the fractional thermal loadings in a Yb 3 + / Er 3 + codoped phosphate glass laser. The results indicate that fractional thermal loading increases with Er 3 + doping concentration nonlinearly. Above an Yb 3 + doping level, the increase of Yb 3 + cannot promote laser performance but induces a more serious heat effect. We investigate the main factors that simultaneously affect laser and thermal performances. The results show that the ratio of laser output power to heat is sensitive to beam overlap efficiency, the laser extraction efficiency, especially to quantum efficiency of laser material. The optimized doping concentrations of Yb 3 + and Er 3 + are deduced.

© 2010 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

History
Original Manuscript: February 10, 2010
Revised Manuscript: May 18, 2010
Manuscript Accepted: May 23, 2010
Published: June 8, 2010

Citation
Suya Feng, Shunguang Li, Li Chen, Wei Chen, and Lili Hu, "Thermal loading in laser diode end-pumped Yb3+/Er3+ codoped phosphate glass laser," Appl. Opt. 49, 3357-3362 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-17-3357


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