A flashlamp pumped frequency-doubled Nd:YAG laser producing 7-nsec 2.8-mJ pulses at 530 nm and 400 pps has been developed for use in airborne bathymetry. A flashlamp gas mixture of krypton and xenon provides efficient laser operation and rapid lamp recovery. Pulse transmission mode operations is used to achieve a narrow pulse width. Thermally induced lensing and birefringence in the rod are compensated for in the optical resonator. Rapid, high repetition rate Pockels cell switching is accomplished with a thyratron driver. A CD exp star) A crystal cut for 85 Cel phase matching at 55 Cel is used to provide high conversion efficiency second harmonic generation.
High repetition rate frequency-doubled Nd:YAG laser for airborne bathymetry
Frequenzverdoppelter Nd:YAG-Laser mit hoher Impulsrate fuer Bathymetrie vom Luftfahrzeug aus
Applied Optics ; 20 , 6 ; 968-971
1981
4 Seiten, 6 Bilder, 1 Tabelle, 12 Quellen
Article (Journal)
English
Efficient Cavity-Dumped, Frequency-Doubled Nd:YAG Laser
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