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Opt Lett. 2005 Mar 1;30(5):567-9.

Multimillijoule chirped parametric amplification of few-cycle pulses.

Author information

  • 1Institut für Photonik, Technische Universität Wien, Gusshausstrasse 27/387, A-1040 Vienna, Austria. nobuhisa.ishii@mpq.mpg.de

Abstract

The concept of optical parametric chirped-pulse amplification is applied to attain pulses with energies up to 8 mJ and a bandwidth of more than 100 THz. Stretched broadband seed pulses from a Ti:sapphire oscillator are amplified in a multistage noncollinear type I phase-matched beta-barium borate parametric amplifier by use of an independent picosecond laser with lock-to-clock repetition rate synchronization. Partial compression of amplified pulses is demonstrated down to a 10-fs duration with a down-chirped pulse stretcher and a nearly lossless compressor comprising bulk material and positive-dispersion chirped mirrors.

PMID:
15789738
[PubMed]
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