6.5W mid-infrared ZnGeP2 parametric oscillator directly pumped by a Q-switched Tm3+-doped single-oscillator fiber laser

C. Kieleck; A. Berrou; B. Donelan; B. Cadier; Thierry Robin; M. Eichhorn

doi:10.1117/12.2081116

27 February 2015 6.5W mid-infrared ZnGeP₂ parametric oscillator directly pumped by a Q-switched Tm³⁺-doped single oscillator fiber laser

C. Kieleck, A. Berrou, B. Donelan, B. Cadier, Thierry Robin, M. Eichhorn

Author Affiliations +

Proceedings Volume 9347, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV; 93470O (2015) https://doi.org/10.1117/12.2081116
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

6.5 W of average power have been generated by a mid-infrared ZnGeP₂ (ZGP) optical parametric oscillator (OPO) pumped directly by a Q-switched Tm3+-doped single-oscillator fiber laser. The Tm³⁺-fiber pump laser based on a silica polarization-maintaining (PM) double-clad fiber provided average powers of up to 23 W at pulse widths of 65 ns at 40 kHz repetition rate. The ZnGeP₂ OPO produces 45 ns mid-IR pulses. The OPO slope efficiency was 40% and the optical-to-optical conversion efficiency 32%.

Citation Download Citation

C. Kieleck, A. Berrou, B. Donelan, B. Cadier, Thierry Robin, and M. Eichhorn "6.5W mid-infrared ZnGeP₂ parametric oscillator directly pumped by a Q-switched Tm³⁺-doped single oscillator fiber laser", Proc. SPIE 9347, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV, 93470O (27 February 2015); https://doi.org/10.1117/12.2081116

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