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Proceedings Paper

Thin Film Coatings For Laser Cavity Optics
Author(s): G DeBell; L Mott; M von Gunten
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Paper Abstract

The optical elements that define the resonant cavity in a laser must meet exacting standards of optical performance. Not only must the reflectance and transmittance be tailored to fit the gain characteristics of the laser cavity, but the absorption and scatter losses in the coatings must be limited to prevent degradation of laser performance. Current requirements for laser optics are diverse. Mirrors for tunable dye lasers must meet broadband requirements for reflectance and transmittance. In ion lasers, wavelength selection using cavity mirrors with narrow bandwidth characteristics has become practical. Laser isotope separation and free electron lasers have stimulated needs for optics with wavelength discrimination characteristics and extremely low absorption loss. This paper will discuss both generic requirements and specific coating types in the 240nm to 10 um spectral regime. A number of special cases where optical coatings provide unique solu-tions for evolving requirements will also be examined.

Paper Details

Date Published: 27 June 1988
PDF: 17 pages
Proc. SPIE 0895, Laser Optics for Intracavity and Extracavity Applications, (27 June 1988); doi: 10.1117/12.944452
Show Author Affiliations
G DeBell, Spectra-Physics, Inc. (United States)
L Mott, Spectra-Physics, Inc. (United States)
M von Gunten, Spectra-Physics, Inc. (United States)

Published in SPIE Proceedings Vol. 0895:
Laser Optics for Intracavity and Extracavity Applications
Philippe M. Fauchet; Karl H. Guenther, Editor(s)

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