Spectral narrowing and tunability of a high-power diffraction-limited ns-pulsed OPO/OPA system using transversely-chirped and temperature-tuned volume Bragg gratings

Andrew J. Merriam; Vadim Smirnov; Leon Glebov

doi:10.1117/12.809405

27 February 2009 Spectral narrowing and tunability of a high-power diffraction-limited ns-pulsed OPO/OPA system using transversely-chirped and temperature-tuned volume Bragg gratings

Andrew J. Merriam, Vadim Smirnov, Leon Glebov

Author Affiliations +

Proceedings Volume 7193, Solid State Lasers XVIII: Technology and Devices; 71930R (2009) https://doi.org/10.1117/12.809405
Event: SPIE LASE: Lasers and Applications in Science and Engineering, 2009, San Jose, California, United States

Abstract

We describe the design and performance of a high-peak-power, ns-pulsed, tunable OPO/OPA light source. The use of a volume Bragg grating output coupler in a 532-nm-pumped, singly-resonant KTP OPO provides stable, narrow-band (< 2-cm^-1) and frequency-tunable generation of light in the vicinity of 1 micron. Subsequent phase-coherent amplification of the signal-wave pulses in a single-pass, 532-nm-pumped KTP OPA provides >20 dB gain (up to 15 mJ pulse energy and 3 MW peak power). One frequency-doubled unstable-resonator Nd:YAG laser provides pump light for both OPO and OPA. The amplified signal wave is single-pass frequency-doubled to the blue-green in non-critically-phase-matched LBO, and frequency-doubled to the ultraviolet in critically-phase-matched CLBO, with efficiencies exceeding 50% and 25%, respectively.

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Andrew J. Merriam, Vadim Smirnov, and Leon Glebov "Spectral narrowing and tunability of a high-power diffraction-limited ns-pulsed OPO/OPA system using transversely-chirped and temperature-tuned volume Bragg gratings", Proc. SPIE 7193, Solid State Lasers XVIII: Technology and Devices, 71930R (27 February 2009); https://doi.org/10.1117/12.809405

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