Analytical study on the three-dimensional temperature field of KDP crystal irradiated by sinusoidal modulated laser

Yingcong Zhang; Hua Shen; Rihong Zhu

doi:10.1117/12.2020769

22 June 2013 Analytical study on the three-dimensional temperature field of KDP crystal irradiated by sinusoidal modulated laser

Yingcong Zhang, Hua Shen, Rihong Zhu

Author Affiliations +

Proceedings Volume 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013); 87692I (2013) https://doi.org/10.1117/12.2020769
Event: International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 2013, Singapore, Singapore

Abstract

A general analytical transient temperature field expression of KDP crystal irradiated by sinusoidal modulated laser is obtained by the integral transform method, based on the heat conduction equation of the orthotropic material. The influence of radius, power and frequency of the laser on the transient temperature field of KDP crystal is simulated by Matlab. The results show that the temperature of material has stepwise distribution with time, which shows periodical stable distribution after some time, and it increases with the decrease of the laser radius and the increase of the laser power. The above results provide a theoretical basis for the photothermal displacement technology used in the measurement of the opto-thermal parameters of the KDP crystal.

Citation Download Citation

Yingcong Zhang, Hua Shen, and Rihong Zhu "Analytical study on the three-dimensional temperature field of KDP crystal irradiated by sinusoidal modulated laser", Proc. SPIE 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 87692I (22 June 2013); https://doi.org/10.1117/12.2020769

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