20 January 2005 Study on thermal effect of fiber-coupled Laser diode end-pumped high-repetition-rate Nd:YAG laser
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Abstract
The thermal effect of fiber-coupled laser diode (LD) end-pumped Nd:YAG high-repetition-rate solid laser during the optical pumping are the important factor which affects the laser output characteristic and the system integrated performance. Aiming at a 2 W fiber-coupled LD end-pumped Nd:YAG laser, starting with the thermal conduction function, the numerical value of temperature steady distributing in the laser crystal is calculated applying the finite element method (FEM). Then the thermal stress in the crystal is obtained by calculation. And thermal lens effect are counted and analyzed. The study establishes the base of optimizing the design of laser to reduce thermal effect and improve the stabilization of laser output.
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Feng Huang, Feng Huang, Yue-Feng Wang, Yue-Feng Wang, Yanxiong Niu, Yanxiong Niu, Houji Gan, Houji Gan, } "Study on thermal effect of fiber-coupled Laser diode end-pumped high-repetition-rate Nd:YAG laser", Proc. SPIE 5628, Semiconductor Lasers and Applications II, (20 January 2005); doi: 10.1117/12.570566; https://doi.org/10.1117/12.570566
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