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Proceedings Paper

Tunable Nd:GSAG laser around 943 nm for water vapor detection
Author(s): Frank Kallmeyer; Xin Wang; Hans Joachim Eichler
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Paper Abstract

A Nd:GSAG laser operated at the 4F3/24I9/2 transition was tuned by a FPI-etalon achieving a tuning range of 1.5 nm with a center wavelength at 942.7 nm. Three water vapor absorption wavelengths with different absorption strength as suitable for a water vapor LIDAR are within this tuning range and lasing could be achieved at all three wavelength. Q-switched pulse energies up to 26mJ were obtained as required for long range detection.

Paper Details

Date Published: 21 April 2009
PDF: 8 pages
Proc. SPIE 7131, XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 713111 (21 April 2009); doi: 10.1117/12.816696
Show Author Affiliations
Frank Kallmeyer, Technische Univ. Berlin (Germany)
Xin Wang, Technische Univ. Berlin (Germany)
Hans Joachim Eichler, Technische Univ. Berlin (Germany)


Published in SPIE Proceedings Vol. 7131:
XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
Rui Vilar; Olinda Conde; Marta Fajardo; Luís O. Silva; Margarida Pires; Andrei Utkin, Editor(s)

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