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Proceedings Paper

Pulse shaping fiber lasers for free-space and lidar applications
Author(s): Peng Wan; Jian Liu; Lih-Mei Yang; Farzin Amzajerdian
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Paper Abstract

Fiber laser is becoming an enabling technology for coherent Lidar applications and free space communications due to its high efficiency, compact size and reliable operation. In these applications, high extinction rate and high OSNR are musts for a fiber laser. However, current Q-switched fiber lasers and solid state lasers cannot meet these criteria. Innovative approach has to be conceived to meet the requirements. In this paper, we will discuss our researches on high energy/power ns pulsed fiber lasers. Modulation schemes for seed laser in getting various optical waveforms to accommodate pulse narrowing in high power amplification and reduce SBS, high power operation of fiber amplifiers, nonlinearity mitigation in high power fiber lasers, and trade-offs among the parameters such as OSNR, power/energy scaling, extinction ratio, interpulses background noise (contrast ratio), and efficiency will be discussed.

Paper Details

Date Published: 15 September 2010
PDF: 10 pages
Proc. SPIE 7817, Nanophotonics and Macrophotonics for Space Environments IV, 78170K (15 September 2010); doi: 10.1117/12.862569
Show Author Affiliations
Peng Wan, PolarOnyx, Inc. (United States)
Jian Liu, PolarOnyx, Inc. (United States)
Lih-Mei Yang, PolarOnyx, Inc. (United States)
Farzin Amzajerdian, NASA Langley Research Ctr. (United States)

Published in SPIE Proceedings Vol. 7817:
Nanophotonics and Macrophotonics for Space Environments IV
Edward W. Taylor; David A. Cardimona, Editor(s)

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