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Chinese Physics, 2004, Vol. 13(8): 1263-1268    DOI: 10.1088/1009-1963/13/8/014

Resonator insensitive investigation to thermal lens for end-pumped lasers

Gong Chuan-Bo (龚传波), Chen Chang-Shui (陈长水), Song Qiu-Ming (宋秋鸣), Zhu Ling (朱灵)
Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China
Abstract  Optical pumping of solid-state lasers induces a thermal lens effect in the laser crystal; this thermal effect determines the beam properties. In this paper, the focal length of the thermal lens is calculated, and resonator parameter ($g_1 g_2$) is obtained, which is insensitive to thermal distortions when the product of the resonator parameters ($g_1, g_2$) equals 1/2. By using our calculated results, we get the fundamental transverse mode laser output with optic-optic conversion of 48.6%, and slope efficiency of 56.3%.
Keywords:  all solid-state laser      thermal lens      design of resonator      resonator insensitive to thermal distortions  
Received:  03 November 2003      Revised:  24 December 2003      Accepted manuscript online: 
PACS:  42.55.Rz (Doped-insulator lasers and other solid state lasers)  
  42.60.By (Design of specific laser systems)  
  42.70.Hj (Laser materials)  
  42.60.Jf (Beam characteristics: profile, intensity, and power; spatial pattern formation)  
  42.60.Da (Resonators, cavities, amplifiers, arrays, and rings)  

Cite this article: 

Gong Chuan-Bo (龚传波), Chen Chang-Shui (陈长水), Song Qiu-Ming (宋秋鸣), Zhu Ling (朱灵) Resonator insensitive investigation to thermal lens for end-pumped lasers 2004 Chinese Physics 13 1263

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