Microchip high-power radially pumped composite Yb:YAG laser

Nicolaie A. Pavel; Jiro Saikawa; Sunao Kurimura; Takunori Taira

doi:10.1117/12.432866

29 June 2001 Microchip high-power radially pumped composite Yb:YAG laser

Nicolaie A. Pavel, Jiro Saikawa, Sunao Kurimura, Takunori Taira

Proceedings Volume 4430, ROMOPTO 2000: Sixth Conference on Optics; (2001) https://doi.org/10.1117/12.432866
Event: ROMOPTO 2000: Sixth Conference on Optics, 2000, Bucharest, Romania

Abstract

A novel design for a quasi-three level, microchip high-power laser is proposed. The design uses a Yb:YAG core surrounded by an undoped YAG region of slab shape that could be pumped from one or from both slab sides. Theoretical descriptions of the pumping optimization, pump-beam distribution, and output-to-input power characteristics are presented. The simulations show that from a composite Yb:YAG chip, which consists of a Yb:YAG core of 2.0-mm diameter and 13.0-at.% Yb concentration surrounded by an undoped YAG slab of 5.0-mm width and 0.8-mm thickness, a TEM₀₀ output beam of 100 W continuous-wave power could be obtained. The expected optical-to-optical efficiency is 39%.

Citation Download Citation

Nicolaie A. Pavel, Jiro Saikawa, Sunao Kurimura, and Takunori Taira "Microchip high-power radially pumped composite Yb:YAG laser", Proc. SPIE 4430, ROMOPTO 2000: Sixth Conference on Optics, (29 June 2001); https://doi.org/10.1117/12.432866

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