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13 March 2024 High repetition rate pulsed all-in-fiber thulium doped fiber MOPA for OPO pumping
Dominik Lorenz, Clément Romano, Dieter Panitzek, Patrick Forster, Julian Schneider, Jan Lautenschläger, Marc Eichhorn, Christelle Kieleck
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Proceedings Volume PC12869, Nonlinear Frequency Generation and Conversion: Materials and Devices XXIII; PC1286909 (2024) https://doi.org/10.1117/12.3003070
Event: SPIE LASE, 2024, San Francisco, California, United States
Abstract
We report on the scaling of a polarization-maintaining MOPA at a signal wavelength of 2048 nm, designed for pumping an optical parametric oscillator (OPO). By utilizing the MOPA structure to design suitable OPO pump pulses the overall mid-IR conversion efficiency is enhanced enabling the scaling of the mid-IR average power. 60 W of average power is achieved and applied to pump different ZGP OPOs. The resonator designs are investigated and compared regarding scalability and beam quality.
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Dominik Lorenz, Clément Romano, Dieter Panitzek, Patrick Forster, Julian Schneider, Jan Lautenschläger, Marc Eichhorn, and Christelle Kieleck "High repetition rate pulsed all-in-fiber thulium doped fiber MOPA for OPO pumping", Proc. SPIE PC12869, Nonlinear Frequency Generation and Conversion: Materials and Devices XXIII, PC1286909 (13 March 2024); https://doi.org/10.1117/12.3003070
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KEYWORDS
Optical parametric oscillators
Thulium
Bragg cells
Laser frequency
Modulation
Semiconductor lasers
Pulse shaping
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