A 15.1 W continuous wave TEM00 mode laser using a YVO4/Nd:YVO4 composite crystal |
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| Authors: | Z Zhao Y Dong C Liu M Hu Z Xiang J Ge J Chen |
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| Institution: | 1. The State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou, 310027, China
2. College of Communication Engineering, Hangzhou Electronics Technical University, Hangzhou, 310018, China
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| Abstract: | A effective continuous-wave (CW), high power laser generated using a YVO4/Nd:YVO4 composite crystal is presented. 18.8 W output power in multi-mode has been achieved with a maximum absorbed pump power of 31.2 W, corresponding to an optical-to-optical efficiency of 60.26%. In TEM00 mode operation, 15.1 W output power also has been achieved with the maximum absorbed pump power of 31.2 W, corresponding to an optical-to-optical efficiency of 47.69%. With a 200 mm focal-length positive lens and using the moving knife-edge method, the beam quality factor is measured to be M2 = 1.2 for TEM00 mode beam. |
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