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Optical parametric chirped-pulse amplification (OPCPA) supplies broadband gain for ultrashort pulses. A new theoretic explanation of OPCPA has been obtained by introducing the concept of tilted pulse front in this paper, and the distribution of broadband amplification has been twice expanded by introducing the technology of achromatic phase matching (APM). The prospect of APM in OPCPA has been discussed...
Two-beam-pumped optical parametric chirped-pulse amplification (TBOPCPA) is proposed to construct an extremely broad gain spectrum with two neighboring broadband spectra. Its design approach has been discussed. Its various gain spectra have been demonstrated as numerical examples. Such a system can support the amplification of the pulse with spectral width up to about 4660 cm -1 -FWHM,...
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