17 November 2010 Optimization algorithm for compact slab lasers
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Abstract
The pump structure greatly influences the characteristics of a diode side-pumped laser. To achieve high absorption efficiency and a homogeneous pump-beam distribution simultaneously, a systemic algorithm has been established to optimize the pump structure, where multiple reflections occur on the internal wall of the reflector inside the pump chamber. A novel design of an efficient, highly reliable, and good beam quality diode side-pumped solid-state laser is presented. Effort has been done to obtain a highly uniform pumping intensity in the active area, which simultaneously reduces the effects of thermal gradient. In this design a novel lens duct configuration is used. By this way a uniform power distribution and a maximum absorption of pump power is resulted. Numerical analysis also indicates the superiority of the design to other methods such as direct and diffusive pumping techniques.
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Changqing Cao, Changqing Cao, Xiaodong Zeng, Xiaodong Zeng, Yuying An, Yuying An, } "Optimization algorithm for compact slab lasers", Proc. SPIE 7843, High-Power Lasers and Applications V, 78430G (17 November 2010); doi: 10.1117/12.866636; https://doi.org/10.1117/12.866636
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