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Proceedings Paper

Special mirrors for cw CO2 high-power lasers
Author(s): Victor Rares Medianu; Iulian Gutu; Geo Georgescu; Mihail F. Lazarescu
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Paper Abstract

`Special mirror' concept is presented as a `spare module' for a GaAs extracting mirror technological processed with GaAs thin films, mounted within two kinds of c.w. CO2 laser resonators: U-type resonator (with optical pathlength Lr equals 4 m) and U- type folded resonator with V-discharge on each branch, reversal mirror provided (with the optical pathlength Lr equals 8 m), experimentally used to obtain good quality laser beam. The extracting mirror presents variable reflectivity, acting as a super-Gaussian mirror and working as an output coupler in the resonator, providing total compensation of the refractive index and of the small gain asymmetries.

Paper Details

Date Published: 2 July 1998
PDF: 6 pages
Proc. SPIE 3405, ROMOPTO '97: Fifth Conference on Optics, (2 July 1998); doi: 10.1117/12.312723
Show Author Affiliations
Victor Rares Medianu, Institute of Atomic Physics (Romania)
Iulian Gutu, National Institute for Laser, Plasma, and Radiation Physics (Romania)
Geo Georgescu, National Institute for Laser, Plasma, and Radiation Physics (Romania)
Mihail F. Lazarescu, National Institute of Materials Physics (Romania)

Published in SPIE Proceedings Vol. 3405:
ROMOPTO '97: Fifth Conference on Optics
Valentin I. Vlad; Dan C. Dumitras, Editor(s)

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