Investigations on Operational Reliability of 808 nm QCW Laser Diode Half-Bars for Space-Borne Applications

Laser diode half-bars with 16 emitters were manufactured and qualified for pulsed high-power operation on the satellite MERLIN. Stress accelerated life tests of 20 laser half-bars were performed for 5*10 9 shots. No single emitter failure was detected resulting in 99.99% reliability over mission lif...

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Bibliographic Details
Main Authors: Hausler, Karl, Stolmacker, Christoph, Maasdorf, Andre, Ressel, Peter, Staske, Ralf, Trankle, Gunther, Crump, Paul
Format: Conference Proceeding
Language:English
Subjects:
Diode lasers
Laser applications
Life estimation
Quantum cascade lasers
Reliability
Satellites
Semiconductor lasers
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Summary:Laser diode half-bars with 16 emitters were manufactured and qualified for pulsed high-power operation on the satellite MERLIN. Stress accelerated life tests of 20 laser half-bars were performed for 5*10 9 shots. No single emitter failure was detected resulting in 99.99% reliability over mission lifetime.
ISSN:1947-6981
DOI:10.1109/ISLC51662.2021.9615625