High-power continuous wave and passively Q-switched laser operations of a Nd:GGG crystal

We report on the continuous wave (CW) and passive Q‐switching performance of a high‐power diode‐pumped Nd:GGG laser. A CW output power of 7.20 W was obtained under an absorbed pump power of 14.97 W, which gives a slop efficiency of 52.7%. With a Cr4+ doped yttrium aluminum garnet crystal as the satu...

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Bibliographic Details
Published in:Laser physics letters 2008-02, Vol.5 (2), p.100-103
Main Authors: Qin, L.J., Tang, D.Y., Xie, G.Q., Dong, C.M., Jia, Z.T., Tao, X.T.
Format: Article
Language:English
Subjects:
continuous wave
Nd:GGG
passive Q-switching
solid-state laser
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Summary:We report on the continuous wave (CW) and passive Q‐switching performance of a high‐power diode‐pumped Nd:GGG laser. A CW output power of 7.20 W was obtained under an absorbed pump power of 14.97 W, which gives a slop efficiency of 52.7%. With a Cr4+ doped yttrium aluminum garnet crystal as the saturable absorber, the shortest passively Q‐switched pulse width, largest pulse energy, and highest peak power achieved were 7.7 ns, 126.25 μJ, and 15.5 kW, respectively. (© 2007 by Astro Ltd., Published exclusively by WILEY‐VCH Verlag GmbH & Co. KGaA)
ISSN:1612-2011
1612-202X
DOI:10.1002/lapl.200710097