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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 2 — Jan. 15, 2009
  • pp: 187–189

Influence of longitudinal rise of coolant temperature on the thermal strain in a cylindrical laser rod

Zhigang Li, Xiulan Huai, Li Wang, and Yujia Tao  »View Author Affiliations

Optics Letters, Vol. 34, Issue 2, pp. 187-189 (2009)

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The thermal strain in a laser rod with a longitudinal temperature increase is modeled and analytically derived through the method of thermoelastic displacement potential and the method of Love displacement function. The analytical results show that in the absence of external forces, the longitudinal rise of fluid temperature has an unnoticeable effect on the thermal stress profile in the laser rod. However, the thermal strain field caused by the temperature distribution under the traction free boundary condition has an evident variation in the longitudinal direction, which will considerably affect the laser transmission characteristics and the beam quality.

© 2009 Optical Society of America

OCIS Codes
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.6810) Lasers and laser optics : Thermal effects
(350.6830) Other areas of optics : Thermal lensing

ToC Category:
Lasers and Laser Optics

Original Manuscript: October 8, 2008
Revised Manuscript: November 20, 2008
Manuscript Accepted: November 26, 2008
Published: January 14, 2009

Zhigang Li, Xiulan Huai, Li Wang, and Yujia Tao, "Influence of longitudinal rise of coolant temperature on the thermal strain in a cylindrical laser rod," Opt. Lett. 34, 187-189 (2009)

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