Fiber-solid hybrid amplification laser system with high peak power and high beam quality

Dan Wang; Yong Wang; Bin Liu; Zhibin Ye; Chong Liu; Dong Liu; Zhen Xiang; Lan Wu

doi:10.1117/12.2504667

12 December 2018 Fiber-solid hybrid amplification laser system with high peak power and high beam quality

Dan Wang, Yong Wang, Bin Liu, Zhibin Ye, Chong Liu, Dong Liu, Zhen Xiang, Lan Wu

Proceedings Volume 10846, Optical Sensing and Imaging Technologies and Applications; 108461A (2018) https://doi.org/10.1117/12.2504667
Event: International Symposium on Optoelectronic Technology and Application 2018, 2018, Beijing, China

Abstract

The laser source with high peak power and high beam quality has important application in laser processing and other fields. A fiber laser with repetition of 50 kHz, pulse width of 3.9 ps, and average power of 10.9 mW is used as the seed source. After double-passing two-stage amplifiers, the average output power of 27.65 W with a peak power of 65 MW is obtained. The first stage is an end pumped Nd:YVO₄ amplifier, and the second stage is a side pumped Nd:YAG amplifier. The beam quality is well preserved with M² factor of 1.3 based on the method of spherical-aberration compensation and the optimizing of the beam filling factor.

Citation Download Citation

Dan Wang, Yong Wang, Bin Liu, Zhibin Ye, Chong Liu, Dong Liu, Zhen Xiang, and Lan Wu "Fiber-solid hybrid amplification laser system with high peak power and high beam quality", Proc. SPIE 10846, Optical Sensing and Imaging Technologies and Applications, 108461A (12 December 2018); https://doi.org/10.1117/12.2504667

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