Non-planar image-rotating cavities allow to reach 30 W of average power in mid-IR with good beam quality from high-repetition-rate ns-pulsed ZGP OPOs

Marcin Piotrowski; Manuel Alessandro Medina; Anne Hildenbrand-Dhollande

doi:10.1364/MICS.2022.MF4C.3

Optica High-brightness Sources and Light-driven Interactions Congress 2022
Technical Digest Series (Optica Publishing Group, 2022),
paper MF4C.3
•https://doi.org/10.1364/MICS.2022.MF4C.3

Non-planar image-rotating cavities allow to reach 30 W of average power in mid-IR with good beam quality from high-repetition-rate ns-pulsed ZGP OPOs

Marcin Piotrowski, Manuel Alessandro Medina, and Anne Hildenbrand-Dhollande

Mid-Infrared Coherent Sources 2022

Budapest Hungary
21–25 March 2022
ISBN: 978-1-957171-06-7

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Mid-Infrared Laser Sources (MF4C)

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M. Piotrowski, M. A. Medina, and A. Hildenbrand-Dhollande, "Non-planar image-rotating cavities allow to reach 30 W of average power in mid-IR with good beam quality from high-repetition-rate ns-pulsed ZGP OPOs," in Optica High-brightness Sources and Light-driven Interactions Congress 2022, Technical Digest Series (Optica Publishing Group, 2022), paper MF4C.3.

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Abstract

We discuss main challenges in scaling up the output power of high-repetition-rate optical parametric oscillators (OPOs), that are nowadays the most promising technology to reach the level of output power of a few tens of W with reasonably good beam quality (M² < 2) in middle infrared spectral region. We report the the performance at 30 W level of output power of an OPO based on ZGP crystals in two non-planar image-rotating resonators. Factors influencing the beam quality such as average power and pump repetition rate are studied in detail.

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