High peak-power Q-switched all-fiber laser with tunable ns-us pulse durations and Hz-MHz repetition rates

Xiang Ji; Pu Zhou; XiaoLin Wang; QiSheng Lu; YiJun Zhao; HongTao Wang

doi:10.1117/12.978170

15 October 2012 High peak-power Q-switched all-fiber laser with tunable ns-us pulse durations and Hz-MHz repetition rates

Xiang Ji, Pu Zhou, XiaoLin Wang, QiSheng Lu, YiJun Zhao, HongTao Wang

Author Affiliations +

Proceedings Volume 8417, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 841736 (2012) https://doi.org/10.1117/12.978170
Event: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2012), 2012, Xiamen, China

Abstract

An all-fiber pulsed Yb-doped laser is introduced. Different characteristic pulse laser can be obtained by adjusting output power and signal generator with tunable 15ns~1μs pulse duration, tunable 50Hz~5MHz repetition rate. Average power1.24W was obtained at 10kHz, the FWHM was 65 ns, the single-pulse power 0.13mJ and peak-power 2kW. At 100Hz the peak-power can reach 10kW with output power 84mW，pulse FWHM 86ns. The all-fiber laser have simple configuration, fully fiberized cavities without the need for careful alignment of free-space components allowing for robust and compact system designs. it’s parameter can be easily adjusted by AOM. A wide range of independently-tunable pulse durations and repetition rates are desirable for deployment in industrial applications，including high-power nonlinear wavelength conversion processes, LIDAR, etc. also greatly extend the applications in power amplified, pulse-compressed and high-repeat frequency as laser seeds.

Citation Download Citation

Xiang Ji, Pu Zhou, XiaoLin Wang, QiSheng Lu, YiJun Zhao, and HongTao Wang "High peak-power Q-switched all-fiber laser with tunable ns-us pulse durations and Hz-MHz repetition rates", Proc. SPIE 8417, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 841736 (15 October 2012); https://doi.org/10.1117/12.978170

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KEYWORDS

Pulsed laser operation

Bragg cells

Fiber lasers

Laser applications

Tunable lasers

Pulsed fiber lasers

Signal generators

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