Efficient frequency doubling in a transversely diode-pumped Nd:YAG laser

A simple scheme is proposed for efficient frequency doubling in a Nd:YAG laser transversely pumped by diode lasers. The average output TEM{sub 00}-mode power of the 1064-nm Q-switched laser at the Q-switching rate exceeding 20 kHz is 15 W. The radiation power at the second harmonic frequency ({lambd...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2004-10, Vol.34 (10), p.930-932
Main Authors: Donin, Valerii I, Nikonov, Andrei V, Yakovin, Dmitrii V
Format: Article
Language:English
Subjects:
CONVERSION
CRYSTALS
DIODE TUBES
EFFICIENCY
ELECTRON TUBES
FREQUENCY MIXING
FREQUENCY RANGE
HARMONIC GENERATION
KHZ RANGE
LASERS
NEODYMIUM LASERS
OTHER INSTRUMENTATION
Q-SWITCHING
SOLID STATE LASERS
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Summary:A simple scheme is proposed for efficient frequency doubling in a Nd:YAG laser transversely pumped by diode lasers. The average output TEM{sub 00}-mode power of the 1064-nm Q-switched laser at the Q-switching rate exceeding 20 kHz is 15 W. The radiation power at the second harmonic frequency ({lambda}=532 nm) is found to be 12 and 8.3 W for KTP and LBO crystals for Q-switching rates f{>=}20 kHz and 10 kHz, respectively. The maximum second-harmonic conversion efficiency is {approx}80%. (nonlinear optical phenomena)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2004v034n10ABEH002796