Efficient Q-switched operation in 1.64 µm Er:YAG tapered rod laser

Vadim M. Polyakov; Vladimir V. Vitkin; Alexandr A. Krylov; Alexander V. Uskov; Andrey A. Mak

doi:10.1117/12.2250847

24 February 2017 Efficient Q-switched operation in 1.64 μm Er:YAG tapered rod laser

Vadim M. Polyakov, Vladimir V. Vitkin, Alexandr A. Krylov, Alexander V. Uskov, Andrey A. Mak

Proceedings Volume 10082, Solid State Lasers XXVI: Technology and Devices; 100821V (2017) https://doi.org/10.1117/12.2250847
Event: SPIE LASE, 2017, San Francisco, California, United States

Abstract

We model output characteristics of the 1645 nm 8 mJ 10 ns 100 Hz Q-switched Er:YAG DPSSL. The laser is end pumped at a wavelength of 1532 nm. Fiber-coupled diode laser module was 10 nm FWHM, 12 W CW, 200 μm, NA 0.22. Various tapering of the active rod has been considered for 1 mm diameter, 20 mm long and 0.5% Er doping. We discuss the heat deposition process, the energy storage efficiency and the average power limitations for Q-switched regime of generation and amplification, and find the system scalable for the high power operation.

Citation Download Citation

Vadim M. Polyakov, Vladimir V. Vitkin, Alexandr A. Krylov, Alexander V. Uskov, and Andrey A. Mak "Efficient Q-switched operation in 1.64 μm Er:YAG tapered rod laser", Proc. SPIE 10082, Solid State Lasers XXVI: Technology and Devices, 100821V (24 February 2017); https://doi.org/10.1117/12.2250847

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