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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 14 — May. 10, 2012
  • pp: 2521–2531

Modeling of end-pumped Yb:YAG thin-disk lasers with nonuniform temperature distribution

Guangzhi Zhu, Xiao Zhu, Changhong Zhu, Jianli Shang, Hailin Wan, Fei Guo, and Lijun Qi  »View Author Affiliations


Applied Optics, Vol. 51, Issue 14, pp. 2521-2531 (2012)
http://dx.doi.org/10.1364/AO.51.002521


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Abstract

A plane wave model with nonuniform temperature distribution in the thin-disk crystal is developed to describe the dynamic behavior of an end-pumped Yb:YAG thin-disk laser. A set of couple-rate equations and 2D stationary heat-conduction equations are derived. The stable temperature distribution in the disk crystal is calculated using a numerical iterative method. The analytic expression is capable of dealing with more practical laser systems than previous works on this subject as it allows for nonuniform temperature distribution in the disk crystal. Based on these results, we examined laser output intensity as a function of pump intensity, dopant concentration, resonator coupler reflectivity, crystal thickness and temperature of cooling liquid.

© 2012 Optical Society of America

OCIS Codes
(140.3430) Lasers and laser optics : Laser theory
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.6810) Lasers and laser optics : Thermal effects

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: November 22, 2011
Revised Manuscript: January 23, 2012
Manuscript Accepted: February 1, 2012
Published: May 4, 2012

Citation
Guangzhi Zhu, Xiao Zhu, Changhong Zhu, Jianli Shang, Hailin Wan, Fei Guo, and Lijun Qi, "Modeling of end-pumped Yb:YAG thin-disk lasers with nonuniform temperature distribution," Appl. Opt. 51, 2521-2531 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-14-2521

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