The numerical model of thermal distribution in diode sidepumped solid state laser crystal is set up according to the diode pumped light intensity distribution. Starting with the heat conductivity equation, the transient and steady state temperature distribution of the laser crystal in symmetrical trigonal pumping design is simulated using finite element analysis method. The influence of the pumping and cooling parameters on the temperature gradient in laser crystal is discussed. This study is helpful to optimize the design of the diode side pumped solid state lasers.
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岱钦,李新忠,王希军. LDA侧面泵浦固体激光器介质瞬态温升过程分析[J].激光与红外,2007,37(8):731~734 DAI Qin, LI Xin-zhong, WANG Xi-jun. Analysis of Temperature Rise in LDA Side Pumped Solid State Laser Rod[J]. LASER & INFRARED,2007,37(8):731~734