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2 December 2020 Spectral control of the joule level broadband laser amplifier system based on ASE source
Jiangtao Guo, Jiangfeng Wang, Xiaochao Wang, Mingying Sun, Qiong Zhou
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Proceedings Volume 11717, 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics; 1171724 (2020) https://doi.org/10.1117/12.2587243
Event: 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics, 2020, Shanghai, China
Abstract
We demonstrated a broadband Nd: glass laser amplifier with controllable gain bandwidth in experiment, which is expected to be used in high energy low coherent laser amplifier system. A birefringent crystal for spectral filtering in regenerative laser amplifier was designed and proposed, and the parameters of birefringent crystal was optimized in simulation. The birefringent crystals with different bandwidths were designed by this method. The laser amplification output with different gain bandwidths of 6~10 nm was realized, which was also verified by experiments. This broadband Nd: glass laser amplifier is expected to be used in large scale broadband laser amplification system, and provides important technical support for a new type of broadband tunable nanosecond high-power laser facility.
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Jiangtao Guo, Jiangfeng Wang, Xiaochao Wang, Mingying Sun, and Qiong Zhou "Spectral control of the joule level broadband laser amplifier system based on ASE source", Proc. SPIE 11717, 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics, 1171724 (2 December 2020); https://doi.org/10.1117/12.2587243
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KEYWORDS
Optical amplifiers
Amplifiers
Optical filters
Laser systems engineering
Control systems
Laser amplifiers
Light sources
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