Nd:YAG laser end-pumped by Q-cw laser array with microcylindrical lens attached

Rulian Fu; Zheng Lu; Zhiyong Hu; Zhaoqi Wang; Guoguang Mu

doi:10.1117/12.361172

8 September 1999 Nd:YAG laser end-pumped by Q-cw laser array with microcylindrical lens attached

Rulian Fu, Zheng Lu, Zhiyong Hu, Zhaoqi Wang, Guoguang Mu

Proceedings Volume 3862, 1999 International Conference on Industrial Lasers; (1999) https://doi.org/10.1117/12.361172
Event: International Symposium on Industrial Lasers, 1999, Wuhan, China

Abstract

We attach micro-cylindrical lenses with D/f' equals 4/3 to 300 W Q-CW LD array, pre-compressing the divergent angle in fast-axis plane from 40 degree(s) to 9.6 degree(s). Then we use lens duct as optical coupler in LD array end-pumped Nd:YAG laser. The transfer efficiency is 90%, and well convergent effect is also obtained near the output face of lens duct. At last, we get 37.9% light-light conversion efficiency of 1.06 micrometers light at 1% duty factor, and the output beam is good.

Citation Download Citation

Rulian Fu, Zheng Lu, Zhiyong Hu, Zhaoqi Wang, and Guoguang Mu "Nd:YAG laser end-pumped by Q-cw laser array with microcylindrical lens attached", Proc. SPIE 3862, 1999 International Conference on Industrial Lasers, (8 September 1999); https://doi.org/10.1117/12.361172

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