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Proceedings Paper

High-power Nd:YAG laser with variable reflectivity mirrors
Author(s): I. P. Nikolov; Ivan Ch. Buchvarov; L. A. Gubanova; Eduard Stepanovich Putilin
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Paper Abstract

Experimental investigation of Q-switched Nd:YAG laser, utilizing unstable resonators with variable reflectivity dielectric mirrors is presented. We designed flat-convex and confocal unstable resonator. Gaussian and super-Gaussian variable reflection profiles with various mirror spot sizes are used. Comparison between the used resonator schemes is made by measurement of the following laser parameters: energy extraction, near- and far-field intensity distributions. Output energy of 400 - 450 mJ is obtained for different resonators at repetition frequency up to 5 Hz. The advantages of unstable resonators with variable reflectivity mirrors are demonstrated by efficient frequency conversion of the high power Nd:YAG laser.

Paper Details

Date Published: 9 April 2001
PDF: 5 pages
Proc. SPIE 4397, 11th International School on Quantum Electronics: Laser Physics and Applications, (9 April 2001); doi: 10.1117/12.425158
Show Author Affiliations
I. P. Nikolov, Univ. of Sofia (Bulgaria)
Ivan Ch. Buchvarov, Univ. of Sofia (Bulgaria)
L. A. Gubanova, St. Petersburg Institute of Fine Mechanics and Optics (Russia)
Eduard Stepanovich Putilin, St. Petersburg Institute of Fine Mechanics and Optics (Russia)


Published in SPIE Proceedings Vol. 4397:
11th International School on Quantum Electronics: Laser Physics and Applications

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