Simultaneous laser beam combining and mode conversion using multiplexed volume phase elements

Marc SeGall; Ivan Divliansky; Clémence Jollivet; Axel Schülzgen; Leonid Glebov

doi:10.1117/12.2039753

4 March 2014 Simultaneous laser beam combining and mode conversion using multiplexed volume phase elements

Marc SeGall, Ivan Divliansky, Clémence Jollivet, Axel Schülzgen, Leonid Glebov

Proceedings Volume 8960, Laser Resonators, Microresonators, and Beam Control XVI; 89601F (2014) https://doi.org/10.1117/12.2039753
Event: SPIE LASE, 2014, San Francisco, California, United States

Abstract

To scale to power levels of up to tens of kW with a few fiber lasers, the best candidates are large core fibers guiding a few large-area higher order modes with the outputs of these fibers combined into a single beam. However, in many applications it is desirable to convert these higher order modes into a Gaussian profile. Here, we propose a method to accomplish this task via single volume phase element. This element accepts multiple higher order mode beams and simultaneously converts and combines them to a single Gaussian profile in the far field.

Citation Download Citation

Marc SeGall, Ivan Divliansky, Clémence Jollivet, Axel Schülzgen, and Leonid Glebov "Simultaneous laser beam combining and mode conversion using multiplexed volume phase elements", Proc. SPIE 8960, Laser Resonators, Microresonators, and Beam Control XVI, 89601F (4 March 2014); https://doi.org/10.1117/12.2039753

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