26 February 2013 A sub-10 fs noncollinear optical parametric chirped pulse amplifier pumped at 20 kHz pulse repetition rate
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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, Jiaan Zheng, Daniel Nürenberg, Daniel Nürenberg, Wataru Kobayashi, Wataru Kobayashi, Thomas Hamann, Thomas Hamann, Markus Lührmann, Markus Lührmann, Johannes A. L'huillier, Johannes A. L'huillier, Richard Wallenstein, Richard Wallenstein, Helmut Zacharias, 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); doi: 10.1117/12.2020762; https://doi.org/10.1117/12.2020762
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