A sub-10 fs noncollinear optical parametric chirped pulse amplifier pumped at 20 kHz pulse repetition rate

Jiaan Zheng; Daniel Nürenberg; Wataru Kobayashi; Thomas Hamann; Markus Lührmann; Johannes A. L'huillier; Richard Wallenstein; Helmut Zacharias

doi:10.1117/12.2020762

26 February 2013 A sub-10 fs noncollinear optical parametric chirped pulse amplifier pumped at 20 kHz pulse repetition rate

Jiaan Zheng, Daniel Nürenberg, Wataru Kobayashi, Thomas Hamann, Markus Lührmann, Johannes A. L'huillier, Richard Wallenstein, Helmut Zacharias

Author Affiliations +

Proceedings Volume 8699, Saratov Fall Meeting 2012: Optical Technologies in Biophysics and Medicine XIV; and Laser Physics and Photonics XIV; 86990U (2013) https://doi.org/10.1117/12.2020762
Event: Saratov Fall Meeting and Workshop on Laser Physics and Photonics 2012, 2012, Saratov, Russian Federation

Abstract

We demonstrate a two-stage three-pass non-collinear optical parametric chirped-pulse amplifier delivering 125 μJ pulse energy at 20 kHz repetition rate, corresponding to an average power of 2.5W. The system is pumped by a 20 kHz Nd:YVO4 regenerative amplifier system. A grism-pair stretcher stretches the 6 fs seed pulses to more than 100 ps from 650nm to 1000 nm. The amplified signal pulses are compressed with SF57 and fused silica glass blocks. Using an acousto-optical programmable dispersive filter to compensate the residual higher-order dispersion pulses of 9.6 fs duration are obtained which corresponds to a peak power of 13GW. We estimate the level of parametric superfluorescence with the spectral hole technique.

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Jiaan Zheng, Daniel Nürenberg, Wataru Kobayashi, Thomas Hamann, Markus Lührmann, Johannes A. L'huillier, Richard Wallenstein, and Helmut Zacharias "A sub-10 fs noncollinear optical parametric chirped pulse amplifier pumped at 20 kHz pulse repetition rate", Proc. SPIE 8699, Saratov Fall Meeting 2012: Optical Technologies in Biophysics and Medicine XIV; and Laser Physics and Photonics XIV, 86990U (26 February 2013); https://doi.org/10.1117/12.2020762

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