Surface Finishing of Optical Components for Carbon Dioxide Laser

Koichi Kawata; Yuji Hashidate; Takeo Miyata; Takuhiro Ono

doi:10.1364/SOP.1984.TuBC6

Topical Meeting on the Science of Polishing
Technical Digest Series (Optica Publishing Group, 1984),
paper TuBC6
•https://doi.org/10.1364/SOP.1984.TuBC6

Surface Finishing of Optical Components for Carbon Dioxide Laser

Koichi Kawata, Yuji Hashidate, Takeo Miyata, and Takuhiro Ono

Science of Polishing 1984

Monterey, California United States
17–17 April 1984
ISBN:

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Session III (TuBC)

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K. Kawata, Y. Hashidate, T. Miyata, and T. Ono, "Surface Finishing of Optical Components for Carbon Dioxide Laser," in Topical Meeting on the Science of Polishing, Technical Digest Series (Optica Publishing Group, 1984), paper TuBC6.

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Abstract

This paper presents a result achieved for surface finishing of optical components for high-power carbon dioxide laser up to 20KW. The materials used for mirror are molybdenum and tungsten, and for window, beamsplitter and lense are zinc selenide and potassium cloride. The finished surfaces are evaluated for reflectance, damage threshold and absorption using 500W CW carbon dioxide laser. The results are compared with damaged layer generated by surface finishing.

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