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Proceedings Paper

All-solid-state diode and end-pumped Nd:YAG laser passively Q-switched by Cr4+:YAG saturable absorber
Author(s): Nicolaie A. Pavel; Jiro Saikawa; Ichiro Shoji; Traian Dascalu; Voicu Lupei; Takunori Taira
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Paper Abstract

A diode end-pumped Nd:YAG laser passively Q-switched by Cr4+:YAG saturable absorber and intracavity frequency-doubled by a LBO nonlinear crystal is described. Using a linear cavity the maximum average power at 1.06-μm fundamental wavelength was 3.3 W, 22.5 kHz repetition rate and 25.2-ns pulses duration. The maximum peak power was 12 kW for an average power of 1.8 W, laser pulses of 17.5-ns duration and 209.3-μJ energy. Intracavity frequency-doubling employing a V-type laser resonator yielded 532-nm green pulses of 226-μJ energy and 86-ns width at 4.2-kHz rate of repetition. The theoretical calculations based on a model of rate of equations show good agreement with the experiments at both fundamental and second-harmonic wavelengths.

Paper Details

Date Published: 21 October 2004
PDF: 10 pages
Proc. SPIE 5581, ROMOPTO 2003: Seventh Conference on Optics, (21 October 2004); doi: 10.1117/12.582805
Show Author Affiliations
Nicolaie A. Pavel, Institute for Molecular Science (Japan)
Institute of Atomic Physics (Romania)
Jiro Saikawa, Institute for Molecular Science (Japan)
Ichiro Shoji, Institute for Molecular Science (Japan)
Traian Dascalu, Institute for Molecular Science (Japan)
Institute of Atomic Physics (Romania)
Voicu Lupei, Institute of Atomic Physics (Romania)
Takunori Taira, Institute for Molecular Science (Japan)


Published in SPIE Proceedings Vol. 5581:
ROMOPTO 2003: Seventh Conference on Optics
Valentin I. Vlad, Editor(s)

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