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低掺杂浓度Nd:YVO₄激光器的输出特性研究

Performance of Nd:YVO₄ Laser with Lower Nd³⁺ Dopped Concentration

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【Author】 ZHANG Hong-rui ,GAO Ming-yi, ZHENG Yi ,YAO Jian-quan( He nan Key Laboratory of Laser Application Technology,Zhengzhou University,Zhengzhou 450052,China; College of Precision Instruments and Optoelectronics Engineering,Tianjin University,Tianjin 300072,China)

【机构】郑州大学河南省激光应用技术重点实验室；天津大学精密仪器与光电子工程学院河南郑州 450052；河南郑州 450052；天津 300072；

【摘要】在对Nd:YVO₄晶体的掺杂浓度和晶体长度对激光器性能的影响进行了分析后,报道了利用掺杂浓度为0.3at％,通光长度为10mm的Nd:YVO₄晶体作为增益介质,带光纤耦合的激光二极管端面抽运的Nd:YVO₄激光器。在抽运功率为27.365W时,获得了14.85W的TEM₀₀模输出,光一光转换效率为60.49％,斜效率达64.5％。更多还原

【Abstract】 The effect of dopped concentration and crystal length on the performance of Nd:YVO4 was analysized firstly,then a fiber-coupled diode-end-pumped Nd:YVO4 laser with a Nd:YVO4 crystal of 0.3at% dopped concentration and 10mm length was reported in this paper. 14. 85W of CW TEM00 mode output was obtained at a pump power of 27. 365W, resulting in an optical conversion efficiency of 60.49% ,and a slope efficiency of 64.5%.更多还原