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Opt Lett. 2011 Feb 1;36(3):313-5. doi: 10.1364/OL.36.000313.

High-repetition-rate sub-5-fs pulses with 12 GW peak power from fiber-amplifier-pumped optical parametric chirped-pulse amplification.

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  • 1Friedrich Schiller University Jena, Institute of Applied Physics, Jena, Germany.


An optical parametric chirped-pulse amplification system delivering pulses with more than 12 GW peak power is presented. Compression to sub-5 fs, 87 μJ and 5.4 fs, 100 μJ is realized at the 30 kHz repetition rate. A high-energy fiber chirped-pulse amplification system operating at 1 mJ pulse energy and nearly transform-limited pulses is used to achieve ultrabroadband amplification in two 2mm beta-barium borate crystals. Precise pulse shaping is used to compress the pulses to a few percentages of their transform limit. Assuming diffraction limited focusing (d<2 μm), peak intensities as high as 10(18) W/cm(2) can be reached.

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