28 February 2014 INNOSLAB-based single-frequency MOPA for airborne lidar detection of CO2 and methane
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Abstract
For the CO2 and CH4 IPDA lidar CHARM-F two single frequency Nd:YAG based MOPA systems were developed. Both lasers are used for OPO/OPA-pumping in order to generate laser radiation at 1645 nm for CH4 detection and 1572 nm for CO2 detection. By the use of a Q-switched, injection seeded and actively length-stabilized oscillator and a one-stage INNOSLAB amplifier about 85 mJ pulse energy could be generated for the CH4 system. For the CO2 system the energy was boosted in second INNOSLAB-stage to about 150 mJ. Both lasers emit laser pulses of about 30 ns pulse duration at a repetition rate of 100 Hz.
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Jens Löhring, Jörg Luttmann, Raphael Kasemann, Michael Schlösser, Jürgen Klein, Hans-Dieter Hoffmann, Axel Amediek, Christian Büdenbender, Andreas Fix, Martin Wirth, Mathieu Quatrevalet, Gerhard Ehret, "INNOSLAB-based single-frequency MOPA for airborne lidar detection of CO2 and methane", Proc. SPIE 8959, Solid State Lasers XXIII: Technology and Devices, 89590J (28 February 2014); doi: 10.1117/12.2041763; https://doi.org/10.1117/12.2041763
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