Simulations of amplified spontaneous emissions and parasitic oscillations in high-power solid-state laser amplifiers

Holger Schmitz; Paul Mason; Yunxin Tang; Saumyabrata Banerjee

doi:10.1117/12.2657722

9 March 2023 Simulations of amplified spontaneous emissions and parasitic oscillations in high-power solid-state laser amplifiers

Holger Schmitz, Paul Mason, Yunxin Tang, Saumyabrata Banerjee

Author Affiliations +

Proceedings Volume PC12399, Solid State Lasers XXXII: Technology and Devices; PC123990G (2023) https://doi.org/10.1117/12.2657722
Event: SPIE LASE, 2023, San Francisco, California, United States

Abstract

We present a new flexible 3D ray-tracing code, SoLEnA (Simulation of Light Emission and Amplification) to describe amplification, ASE, and PO in a solid-state amplifier. The code simulates the propagation of pump and witness beams, the pumping of the amplifier material, the polarisation-dependent fluorescence and stimulated emission, arbitrary geometries with multiple materials, and the partial reflection of light at the material interfaces. The polarisation dependence of the material parameters allows high fidelity simulations of realistic Ti:sa solid state amplifiers. We use the code to investigate various geometries of high power, high repetition rate laser amplifiers.

Conference Presentation

Citation Download Citation

Holger Schmitz, Paul Mason, Yunxin Tang, and Saumyabrata Banerjee "Simulations of amplified spontaneous emissions and parasitic oscillations in high-power solid-state laser amplifiers", Proc. SPIE PC12399, Solid State Lasers XXXII: Technology and Devices, PC123990G (9 March 2023); https://doi.org/10.1117/12.2657722

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