647W灯泵浦大功率连续Nd:YAG激光器
lamp pumped high power CW Nd:YAG laser
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摘要: 报道了一台灯泵浦大功率连续Nd:YAG激光器。对影响大功率固体激光器模块输出功率和光束质量的主要因素进行了理论分析，并提出提高激光器效率的措施：对聚光腔的形状、结构和材料以及冷却方式，泵浦灯的参数和材料，激光晶体的参数和镀膜进行优化设计，采用径向固定的谐振腔镜。该灯泵浦YAG晶体棒总体电光转换效率为4%，光束质量为22mm·mrad，输出功率647W。Abstract: A lamp pumped CW Nd:YAG laser is presented in this paper. The main factors, which affect output power and beam quality of high power solidstate laser module, are theoretically analyzed. It is included that improving the laser efficiency to decrease the stable range of the diopter( increasing the thermal focus), to decrease the product of beam parameter, and improving the beam quality of output laser. Total electrooptics efficiency of lamp pumped YAG crystal as high as 4% is attained, and output power is 647W with beam parameter product 22mm·mrad.
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Key words:
- yag laser /
- efficiency /
- beam parameter product
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