100W collinear optical parametric amplifier pumped by the second harmonic of a picosecond Yb-fiber laser

Pancho Tzankov; Valeriy Kasyanenko; Philippe Hering; Pankaj Kadwani; Alex Limanov; Jimyung Kim; Alexey Avdokhin; Igor Samartsev; Valentin Gapontsev

doi:10.1117/12.2608357

4 March 2022 100W collinear optical parametric amplifier pumped by the second harmonic of a picosecond Yb-fiber laser

Pancho Tzankov, Valeriy Kasyanenko, Philippe Hering, Pankaj Kadwani, Alex Limanov, Jimyung Kim, Alexey Avdokhin, Igor Samartsev, Valentin Gapontsev

Author Affiliations +

Proceedings Volume 11985, Nonlinear Frequency Generation and Conversion: Materials and Devices XXI; 119850E (2022) https://doi.org/10.1117/12.2608357
Event: SPIE LASE, 2022, San Francisco, California, United States

Abstract

Sub-picosecond green-pumped OPG/OPA using non-critical phase matching in LBO was investigated at high average powers, utilizing a novel high-power ultrafast fiber laser providing 300W of 1ps pulses at 515nm and 1.4GHz pulse repetition rate. The 4-stage collinear OPA produced about 100W of combined Signal plus Idler output powers when tuning the Signal wavelength between 740nm and 940nm. An extended spectral tuning range between 300nm and 1800nm with average power between 10W and 70W was demonstrated by using SFG of Signal plus Pump and SHG of Signal and of Idler. The OPA output pulse durations were ~0.5ps long.

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Pancho Tzankov, Valeriy Kasyanenko, Philippe Hering, Pankaj Kadwani, Alex Limanov, Jimyung Kim, Alexey Avdokhin, Igor Samartsev, and Valentin Gapontsev "100W collinear optical parametric amplifier pumped by the second harmonic of a picosecond Yb-fiber laser", Proc. SPIE 11985, Nonlinear Frequency Generation and Conversion: Materials and Devices XXI, 119850E (4 March 2022); https://doi.org/10.1117/12.2608357

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