Research on the Characteristics of Si-Based Reflector under the Action of Strong Laser

Yu Feng Peng; Jin Lan Cui

doi:10.4028/www.scientific.net/AMR.287-290.2230

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 287-290Research on the Characteristics of Si-Based...

Research on the Characteristics of Si-Based Reflector under the Action of Strong Laser

Abstract:

Based on the design principle of high reflective (HR) membrane of multilayer medium. The HR membrane appropriate for the chemical oxygen-iodine laser (COIL) with Si/SiO2 as high low refractive index materials, was designed on the silicon substrate, using TFCale3.4 simulation design software. We get the reflectivity of COIL over 99.999% at the output wavelength of 1315nm, above 99.2% at the harmonic of 632.8 nm in theory. The thermal deformation of Si-based reflector under the irradiation of Gaussian beam are calculated, using heat conduction equations and axial thermal deformation formula.

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Periodical:

Advanced Materials Research (Volumes 287-290)

Pages:

2230-2233

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.287-290.2230

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Online since:

July 2011

Authors:

Yu Feng Peng, Jin Lan Cui

Keywords:

High Power Laser, High Reflective Film, Reflection Characteristic, Thermal Deformation

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