Generation of high-power femtosecond supercontinua in the near-IR spectral range using broadband parametric frequency conversion in LBO and DCDA crystals pumped at 620 nmстатья
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Дата последнего поиска статьи во внешних источниках: 29 февраля 2016 г.
Аннотация:The pump wavelength of parametric amplifiers based on CLBO, DCDA and LBO crystals and pumped by the second harmonic of a femtosecond Cr:forsterite laser (620 nm) is close to optimal for broadband amplification because of the proximity of group velocities of interacting pulses. Injection of a broadband continuum into the range of the signal-wave gain in LBO and DCDA parametric amplifiers, pumped at l = 620 nm, leads to generation of broadband femtosecond pulses with a spectrum ranging from
1050 to 1600 nm and peak powers up to 20 MW.