15 March 2016 Development, testing, and initial space qualification of 1.5-μm high-power (6W) pulse-position-modulated (PPM) fiber laser transmitter for deep-space laser communication
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Abstract
We report on the development, testing and initial space qualification of a 1.5-μm, high-power (6W), high wall-plug efficiency (~15%), pulse-position-modulated (PPM), polarization-maintaining (PM), fiber laser transmitter subsystem for deep-space laser communication links. Programmable high-order PPM modulation up to PPM-128 formats, with discrete pulse slots ranging from 0.5- to 8-nsec, satisfies variety of link requirements for deep space laser communication to Mars, asteroids, and other deep-space relay links, per NASA's space laser communication roadmap. We also present initial space qualification results from thermal-vacuum tests, vibration testing, radiation testing and overall reliability assessment.
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Shantanu Gupta, Shantanu Gupta, Doruk Engin, Doruk Engin, Dave Pachowicz, Dave Pachowicz, Jean-Luc Fouron, Jean-Luc Fouron, Juan Lander, Juan Lander, Xung Dang, Xung Dang, Slava Litvinovich, Slava Litvinovich, Ti Chuang, Ti Chuang, Kent Puffenberger, Kent Puffenberger, Frank Kimpel, Frank Kimpel, Rich Utano, Rich Utano, Malcolm Wright, Malcolm Wright, "Development, testing, and initial space qualification of 1.5-μm high-power (6W) pulse-position-modulated (PPM) fiber laser transmitter for deep-space laser communication", Proc. SPIE 9739, Free-Space Laser Communication and Atmospheric Propagation XXVIII, 97390V (15 March 2016); doi: 10.1117/12.2213661; https://doi.org/10.1117/12.2213661
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