Tunable Nd:GSAG laser around 943 nm for water vapor detection

Frank Kallmeyer; Xin Wang; Hans Joachim Eichler

doi:10.1117/12.816696

21 April 2009 Tunable Nd:GSAG laser around 943 nm for water vapor detection

Frank Kallmeyer, Xin Wang, Hans Joachim Eichler

Proceedings Volume 7131, XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; 713111 (2009) https://doi.org/10.1117/12.816696
Event: XVII International Symposium on Gas Flow and Chemical Lasers and High Power Lasers, 2008, Lisboa, Portugal

Abstract

A Nd:GSAG laser operated at the ⁴F_3/2 →⁴I_9/2 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.

Citation Download Citation

Frank Kallmeyer, Xin Wang, and Hans Joachim Eichler "Tunable Nd:GSAG laser around 943 nm for water vapor detection", Proc. SPIE 7131, XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 713111 (21 April 2009); https://doi.org/10.1117/12.816696

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