Gas Lens in kW-Class Thin-Disk Lasers

F. Saltarelli; A. Diebold; I. J. Graumann; C. J. Saraceno; C. J. Saraceno; C. R. Phillips; U. Keller

doi:10.1364/CLEO_SI.2018.SM3N.5

Conference on Lasers and Electro-Optics
OSA Technical Digest (online) (Optica Publishing Group, 2018),
paper SM3N.5
•https://doi.org/10.1364/CLEO_SI.2018.SM3N.5

Gas Lens in kW-Class Thin-Disk Lasers

F. Saltarelli, A. Diebold, I. J. Graumann, C. J. Saraceno, C. R. Phillips, and U. Keller

CLEO: Science and Innovations 2018

San Jose, California United States
13–18 May 2018
ISBN: 978-1-943580-42-2

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High Power Lasers (SM3N)

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F. Saltarelli, A. Diebold, I. J. Graumann, C. J. Saraceno, C. R. Phillips, and U. Keller, "Gas Lens in kW-Class Thin-Disk Lasers," in Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optica Publishing Group, 2018), paper SM3N.5.

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Abstract

We measured, for the first time, a gas-lens effect accounting for 33% of the total disk thermal lensing. By helium flooding the laser, we obtain optimal beam quality (M²<1.10) over a 70% broader power range.

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