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Proceedings Paper

CVD diamond transmissive diffractive optics for CO2 lasers
Author(s): Vitali I. Konov; V. V. Kononenko; Sergej M. Pimenov; Alexander M. Prokhorov; Vladimir S. Pavelyev; Victor A. Soifer
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Paper Abstract

Growing applications of CO2-lasers in many cases demand transmission optical elements (widows, lenses, etc.) which could reliably operate at high beam powers. In the present work we propose to produce CVD diamond transmissive diffractive optics. To realize this idea surface microstructuring by laser ablation was applied. Computer controlled selected area ablation of preliminary polished (plane) diamond plates with thickness of 0.3 mm was performed by scanning focused beam of KrF laser. As a test sample for radiation with (lambda) equals 10.6 micrometers a cylindrical lens with the aperture of 4 X 4 mm2 and focal length of 25 mm was produced. Numerical simulation of the lens was made for the fundamental mode TEM00. For tests of the diamond lens 20 W CO2 laser was used.

Paper Details

Date Published: 20 September 1999
PDF: 4 pages
Proc. SPIE 3822, Computer-Controlled Microshaping, (20 September 1999); doi: 10.1117/12.364213
Show Author Affiliations
Vitali I. Konov, General Physics Institute (Russia)
V. V. Kononenko, General Physics Institute (Russia)
Sergej M. Pimenov, General Physics Institute (Russia)
Alexander M. Prokhorov, General Physics Institute (Russia)
Vladimir S. Pavelyev, Image Processing Systems Institute (Russia)
Victor A. Soifer, Image Processing Systems Institute (Russia)

Published in SPIE Proceedings Vol. 3822:
Computer-Controlled Microshaping
Vadim P. Veiko; Tamas Szoerenyi, Editor(s)

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