Tunable middle infrared generation is now affordable through optical parametric generation and amplification in a number of infrared nonlinear crystals. However, maintaining narrow bandwidth, while achieving high conversion efficiency, remains a challenge. In this report, we propose and experimentally demonstrate a relatively simple setup, which utilizes a single-wavelength diode laser as a seed laser for an optical parametric amplifier.
Vladislav V. Yakovlev, Charles W. Ballmann, and Georgi I. Petrov, "Generation of tunable high-repetition rate middle infrared transform-limited picosecond pulses," Proc. SPIE 10511, Solid State Lasers XXVII: Technology and Devices, 105110F (Presented at SPIE LASE: January 29, 2018; Published: 1 March 2018); https://doi.org/10.1117/12.2291349.
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