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Proceedings Paper

Passive Q-switched Nd:YAG laser quasi-continuously pumped
Author(s): Traian Dascalu; Voicu Lupei; Nicolae Miron
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Paper Abstract

A study on Nd:YAG media active laser pumped with millisecond variable pulses in free- running generation and passive Q-switched regime is presented. Different resonator configurations were used: stable plane-plane and spherical-plane resonators usually with reflectivity mirrors or with super-Gaussian variable reflectivity mirrors (VRM) as output couplers and super-Gaussian unstable resonators. In Q-switching operation, laser emission consists in trains of 20 - 50 nanosecond pulses with repetition frequency of 20 - 200 KHz. Peak power pulses of 0.5 - 1 MW were obtained and the laser energy contained in a train of pulses varies from 1 to 8 J depending on the length and energy of the pumping pulse. The beam quality of the Q-switched laser was studied comparatively with free-running laser operation.

Paper Details

Date Published: 16 August 1994
PDF: 8 pages
Proc. SPIE 2206, High-Power Gas and Solid State Lasers, (16 August 1994); doi: 10.1117/12.184620
Show Author Affiliations
Traian Dascalu, Institute of Atomic Physics (Romania)
Voicu Lupei, Institute of Atomic Physics (Romania)
Nicolae Miron, Institute of Atomic Physics (Romania)

Published in SPIE Proceedings Vol. 2206:
High-Power Gas and Solid State Lasers
Markus Bohrer; Tommaso Letardi; Dieter Schuoecker; Horst Weber, Editor(s)

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