Thermal absorption and distortion of multilayered dielectric coatings in high-power 1.315-um cw laser processing

Wenzong Qi; Zhiguo Liu; Shengming Xiong; Yundong Zhang

doi:10.1117/12.481789

5 September 2002 Thermal absorption and distortion of multilayered dielectric coatings in high-power 1.315-μm cw laser processing

Wenzong Qi, Zhiguo Liu, Shengming Xiong, Yundong Zhang

Author Affiliations +

Proceedings Volume 4914, High-Power Lasers and Applications II; (2002) https://doi.org/10.1117/12.481789
Event: Photonics Asia, 2002, Shanghai, China

Abstract

Under 400~800W/cm2 1315?m CW laser irradiations, the distortion of multi-layered dielectric coatings deposited on silicon crystal and/or fused silica substrates is tested by a Shack-Hartmann wave-front technique. Take account of the influence of environmental noises and air convections, the thermal absorption of the coatings is assessed from the CW thermal conduction equations and the thermo-elastic equations.

Citation Download Citation

Wenzong Qi, Zhiguo Liu, Shengming Xiong, and Yundong Zhang "Thermal absorption and distortion of multilayered dielectric coatings in high-power 1.315-μm cw laser processing", Proc. SPIE 4914, High-Power Lasers and Applications II, (5 September 2002); https://doi.org/10.1117/12.481789

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