High-power, high-energy ZGP OPA pumped by a 2.05-um Ho:YLF MOPA system

Alexey Dergachev; Darrell Armstrong; Arlee Smith; Thomas Drake; Marc Dubois

doi:10.1117/12.765275

13 February 2008 High-power, high-energy ZGP OPA pumped by a 2.05-μm Ho:YLF MOPA system

Alexey Dergachev, Darrell Armstrong, Arlee Smith, Thomas Drake, Marc Dubois

Proceedings Volume 6875, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VII; 687507 (2008) https://doi.org/10.1117/12.765275
Event: Lasers and Applications in Science and Engineering, 2008, San Jose, California, United States

Abstract

We report a ZGP OPO/OPA system capable of producing >30 mJ at a signal wavelength of 3.4 μm. Our pump source for the OPO/OPA is a 2.05-μm, diffraction-limited Ho:YLF master-oscillator power-amplifier (MOPA) producing ~150 mJ energy per pulse at repetition rate from single shot to ~500 Hz (>100 mJ at 1 kHz). The Ho-MOPA output was split ~2:1 into two beams: one (~50 mJ per pulse) pumping an image-rotating RISTRA ZGP OPO to generate a 3.4-μm signal wave with >10 mJ of pulse energy and near diffraction-limited beam quality, and the other to pump a ZGP OPA stage to increase the signal wave to ~30 mJ per pulse.

Citation Download Citation

Alexey Dergachev, Darrell Armstrong, Arlee Smith, Thomas Drake, and Marc Dubois "High-power, high-energy ZGP OPA pumped by a 2.05-μm Ho:YLF MOPA system", Proc. SPIE 6875, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VII, 687507 (13 February 2008); https://doi.org/10.1117/12.765275

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