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19 October 2016 Uniform pump scheme for a LD face-pumped Nd:YAG slab amplifier
Dan Jia, Zhongwei Fan, Yanzhong Chen, Guangyan Guo, Jianguo He, Tianzhuo Zhao
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Proceedings Volume 10154, Advanced Optical Design and Manufacturing Technology and Astronomical Telescopes and Instrumentation; 101541Y (2016) https://doi.org/10.1117/12.2247375
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China
Abstract
A new pump-shaping scheme for a LD face-pumped Nd:YAG slab laser amplifier is proposed, aiming to achieve uniform pump distributions. Plano-concave cylindrical mirror arrays are used to homogenize the pump distributions in the LD slow axes, and meanwhile optical-waveguide structures are used for the LD fast axes. Simulations based on ray tracing method indicate that the scheme effectively realizes uniform pump intensity distributions. The fluorescence distributions and small signal gains at different locations both verify the pump uniformity reaches higher than 90%.
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Dan Jia, Zhongwei Fan, Yanzhong Chen, Guangyan Guo, Jianguo He, and Tianzhuo Zhao "Uniform pump scheme for a LD face-pumped Nd:YAG slab amplifier", Proc. SPIE 10154, Advanced Optical Design and Manufacturing Technology and Astronomical Telescopes and Instrumentation, 101541Y (19 October 2016); https://doi.org/10.1117/12.2247375
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KEYWORDS
Amplifiers
Luminescence
Nd:YAG lasers
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