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Proceedings Paper

Focal plane intensity distribution of copper vapor laser with different unstable resonators
Author(s): Michail O. Nikonchuk; Igor V. Polyakov
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Paper Abstract

Parameters of output diffraction-limited beam from copper vapor laser are investigated for different unstable resonators: self-imaging, self-filtering and modified self-filtering. Three types of intensity distribution (uniform, Gaussian and Bessel) in near-field (output beam) and far-field (focal plane) zones are considered with 20 mm active medium diameter. Divergence of these beams depends on phase and amplitude distortions by active medium gain saturation. Angle beam position dependencies are considered versus position of more curves mirror and field-limiting aperture of unstable resonators.

Paper Details

Date Published: 1 May 1991
PDF: 7 pages
Proc. SPIE 1412, Gas and Metal Vapor Lasers and Applications, (1 May 1991); doi: 10.1117/12.43637
Show Author Affiliations
Michail O. Nikonchuk, Leningrad Polytechnic Institute (Russia)
Igor V. Polyakov, Leningrad Polytechnic Institute (Russia)

Published in SPIE Proceedings Vol. 1412:
Gas and Metal Vapor Lasers and Applications
Jin J. Kim; Frank K. Tittel, Editor(s)

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