Three-stage MOPA 2 µm fiber laser for ZGP OPO pumping

Dominik Lorenz; Clément Romano; Dieter Panitzek; Patrick Forster; Julian Schneider; Hendrik Büker; Marc Eichhorn; Christelle Kieleck

doi:10.1117/12.2610238

4 March 2022 Three-stage MOPA 2 μm fiber laser for ZGP OPO pumping

Dominik Lorenz, Clément Romano, Dieter Panitzek, Patrick Forster, Julian Schneider, Hendrik Büker, Marc Eichhorn, Christelle Kieleck

Author Affiliations +

Proceedings Volume 11985, Nonlinear Frequency Generation and Conversion: Materials and Devices XXI; 119850H (2022) https://doi.org/10.1117/12.2610238
Event: SPIE LASE, 2022, San Francisco, California, United States

Abstract

A polarization-maintaining (PM) pulsed three-stage master oscillator power amplifier (MOPA) emitting at 2047 nm is reported, generating 19.8W of output power (396 μJ pulse energy) for a 50 ns pulse width at a repetition rate of 50 kHz. The output signal is linearly polarized and a diffraction limited beam quality is achieved. This MOPA laser is used to pump a doubly resonant ZnGeP₂ (ZGP) optical parametric oscillator (OPO) in a linear cavity. A mid-IR output power of 8.1W, accordingly 162 μJ of pulse energy, and a conversion efficiency of 44 % are obtained in the 3-5 μm band.

Conference Presentation

Citation Download Citation

Dominik Lorenz, Clément Romano, Dieter Panitzek, Patrick Forster, Julian Schneider, Hendrik Büker, Marc Eichhorn, and Christelle Kieleck "Three-stage MOPA 2 μm fiber laser for ZGP OPO pumping", Proc. SPIE 11985, Nonlinear Frequency Generation and Conversion: Materials and Devices XXI, 119850H (4 March 2022); https://doi.org/10.1117/12.2610238

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