Quasi-cw laser diode bar life tests | Zendy

Mark Stephen | Zendy; Michael A. Krainak | Zendy; Joseph L. Dallas | Zendy

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Quasi-cw laser diode bar life tests

Author(s) -

Mark Stephen,

Michael A. Krainak,

Joseph L. Dallas

Publication year - 1998

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.307021

Subject(s) - diode , laser , bar (unit) , lidar , power (physics) , watt , semiconductor laser theory , optics , optoelectronics , materials science , remote sensing , electrical engineering , engineering , physics , meteorology , geology , quantum mechanics

NASA's Goddard Space Flight Center is developing technology for satellite-based, high peak power, LIDAR transmitting requiring 3-5 years of reliable operation. Semi-conductor laser diodes provide high efficiency pumping of solid state lasers with the promise of long-lived, reliable operation. 100-watt quasi-CW laser diode bars have been baselined for the next generation laser altimeters. Multi-billion shot lifetimes are required. The authors have monitored the performance of several diodes for billions of shots and investigated operational modes for improving diode lifetime.

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