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21 November 2017 Diode-pumped nd:mixed-garnet laser with emission at 943 nm for water vapor DIAL
Enzo Nava, C. Mariottini, M. Tobia, E. Stucchi
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Proceedings Volume 10567, International Conference on Space Optics — ICSO 2006; 1056739 (2017) https://doi.org/10.1117/12.2308090
Event: International Conference on Space Optics 2006, 2006, Noordwijk, Netherlands
Abstract
In the frame of a technological development for ESA space water vapor DIAL application, we show that, by the compositional tuning technique, wavelength tuning of laser materials to match the water vapor absorption lines in the wavelength region 942-943 nm (and at about 935 nm) can be achieved. From preliminary investigations, two mixed-garnet crystal families have been identified as favorable ones, Nd:YAG1-xYSGGx and Nd:YSAG1-xGGGx. In this work, two compositionally tuned Nd:mixed-garnet laser systems have been developed and tested. The first one (Nd(1%):YSAG0.91 / GGG0.09) exhibits an output wavelength peak at about 942.8-943.0 nm, the latter (Nd(0.83%):YAG0.43 / YSGG0.57) at 943.2 nm. Laser action of the two compositions has been obtained both in long pulse and in Q-switching mode.
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Enzo Nava, C. Mariottini, M. Tobia, and E. Stucchi "Diode-pumped nd:mixed-garnet laser with emission at 943 nm for water vapor DIAL", Proc. SPIE 10567, International Conference on Space Optics — ICSO 2006, 1056739 (21 November 2017); https://doi.org/10.1117/12.2308090
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KEYWORDS
Nd:YAG lasers
Absorption
Reflectivity
Q switches
Laser resonators
Semiconductor lasers
Pulsed laser operation
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