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31 August 2011 Pulsed shaping high-energy fiber laser at low repetition rate
Peng Wan, Jian Liu, Lih-Mei Yang, Farzin Amzajerdian
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Proceedings Volume 8164, Nanophotonics and Macrophotonics for Space Environments V; 816407 (2011) https://doi.org/10.1117/12.893762
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States
Abstract
An ultra-low repetition rate high energy 200 ns Er:Yb co-doped fiber laser has been developed by using a master oscillator power amplifier configuration at an eye-safe 1.53 μm wavelength . A modulated pump scheme was used to suppress ASE accumulation between pulse intervals. Combined with pulse shaping technology to mitigate pulse narrowing effect and SBS effect, a maximum of 480 μJ pulse energy was obtained. In the stable, long-term running mode, pulse energy up to 204 μJ, were obtained with pulse durations of 200 ns at Hz level.
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Peng Wan, Jian Liu, Lih-Mei Yang, and Farzin Amzajerdian "Pulsed shaping high-energy fiber laser at low repetition rate", Proc. SPIE 8164, Nanophotonics and Macrophotonics for Space Environments V, 816407 (31 August 2011); https://doi.org/10.1117/12.893762
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KEYWORDS
Fiber lasers
Optical amplifiers
Pulsed laser operation
Modulation
Bragg cells
Fiber amplifiers
Laser development
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