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21 November 2017 High stability lasers for lidar and remote sensing
Frank Heine, Robert Lange, Stefan Seel, Berry Smutny
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Proceedings Volume 10567, International Conference on Space Optics — ICSO 2006; 105671E (2017) https://doi.org/10.1117/12.2308128
Event: International Conference on Space Optics 2006, 2006, Noordwijk, Netherlands
Abstract
Tesat-Spacecom is currently building a set flight models of frequency stabilized lasers for the ESA Missions AEOLUS and LTP. Lasers with low intensity noise in the kHz region and analogue tuning capabilities for frequency and output power are developed for the on board metrology of the LTP project, the precursor mission for LISA. This type of laser is internally stabilized by precise temperature control, approaching an ALLAN variance of 10-9 for 100 sec. It can be easily locked to external frequency references with <50kHz bandwidth. The Seed laser for the AEOLUS mission (wind LIDAR) is used as the master frequency reference and is stabilized internally by a optical cavity. It shows a 3* 10-11 Allan variance from time intervals 1 sec - 1000 sec. Furthermore it is step-tunable for calibration of the receiver instrument with a speed of GHz / sec by a digital command interface. Performance and environmental test results will be presented.
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Frank Heine, Robert Lange, Stefan Seel, and Berry Smutny "High stability lasers for lidar and remote sensing", Proc. SPIE 10567, International Conference on Space Optics — ICSO 2006, 105671E (21 November 2017); https://doi.org/10.1117/12.2308128
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KEYWORDS
Laser stabilization
Laser crystals
Lasers
Laser development
Semiconductor lasers
LIDAR
Laser sources
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