Thermal effect of high-power KTP crystal optical parametric oscillator

shao ting; feng guoying; wei yongtao; yin ming; li wei

Volume 22 Issue 09

Aug. 2010

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Article Navigation > High Power Laser and Particle Beams > 2010 > 22(09): 0-

Yan Hong, Ye Yidong, Lu Fei, et al. Coherent beam combining based on polarization phase discrimination[J]. High Power Laser and Particle Beams, 2013, 25: 5-8.

Citation:

shao ting, feng guoying, wei yongtao, et al. Thermal effect of high-power KTP crystal optical parametric oscillator[J]. High Power Laser and Particle Beams, 2010, 22.

Yan Hong, Ye Yidong, Lu Fei, et al. Coherent beam combining based on polarization phase discrimination[J]. High Power Laser and Particle Beams, 2013, 25: 5-8.

Citation:

shao ting, feng guoying, wei yongtao, et al. Thermal effect of high-power KTP crystal optical parametric oscillator[J]. High Power Laser and Particle Beams, 2010, 22.

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Thermal effect of high-power KTP crystal optical parametric oscillator

1.
School of Electronics and Information Engineering,Sichuan University,Chengdu 610064,China;
2.
College of Architecture and Environment,Sichuan University,Chengdu 610064,China

Publish Date: 2010-08-17

Abstract

Abstract

The temperature distribution inside KTP crystal was calculated by finite element analysis accurately. The phase matching angles, walk-off angles, tolerance angles and effective nonlinear coefficient of type Ⅱ KTP crystal were calculated according to the conservation of mass and phase matched for parametric process and the thermo-optic dispersion of KTP crystal. The results showed that the distribution of temperature inside the crystal was non-uniform. Along the direction of light, temperature distributions of crystal sections were different. Strengthening the cooling effect of crystal can effectively reduce the temperature influences on the phase matching angles, walk-off angles, tolerance angles and effective nonlinear coefficient of crystal．
- nonlinear optics,
- finite element method,
- ktp crystal,
- optical parametric oscillator,
- thermal effect

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