Modeling of dispersion compensation for spectral beam combining by volume Bragg gratings

Elena Shirshneva Vashchenko; Leonid Glebov

doi:10.1117/12.2650216

5 April 2023 Modeling of dispersion compensation for spectral beam combining by volume Bragg gratings

Elena Shirshneva Vashchenko, Leonid Glebov

Proceedings Volume PC12402, Components and Packaging for Laser Systems IX; PC124020A (2023) https://doi.org/10.1117/12.2650216
Event: SPIE LASE, 2023, San Francisco, California, United States

Abstract

The spectral beam combining for narrowband laser beams with spectral width below 1 nm by using of Transmitting Bragg Gratings (TBGs) has already shown high efficiency and high quality of a combined beam. For high power lasers emitting broadband beams with spectral width exceeding 1 nm, it is necessary to consider effect of TBGs spectral dispersion on divergence of a combined beam. In this work, the interaction of polychromatic radiation with TBGs was simulated by the Floquet approach. The scheme for spectral dispersion compensation of broadband beam is described.

Conference Presentation

Citation Download Citation

Elena Shirshneva Vashchenko and Leonid Glebov "Modeling of dispersion compensation for spectral beam combining by volume Bragg gratings", Proc. SPIE PC12402, Components and Packaging for Laser Systems IX, PC124020A (5 April 2023); https://doi.org/10.1117/12.2650216

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