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Using a two stage, white-light seeded, collinear, femtosecond optical parametric amplifier based on BIBO crystal, sub-30-fs signal pulses with energies exceeding 200-muJ, corresponding to 5-fold pulse shortening and ~30% internal conversion efficiency, are generated.
Ultrabroadband generation of white-light continuum in the near-IR (~135 THz, 1.15-2.4 mum) is demonstrated in BiB3O6, pumped by 45 fs long pulses at 800 nm, achieving an energy of 15 muJ at 1 kHz.
Here we report on ultrabroadband optical parametric amplification (OPA) in the relatively new nonlinear crystal bismuth triborate, BiB306 (BIBO), pumped by the fundamental of a 1 kHz Ti:sapphire laser system (lambdap=800 nm).
Power scaling to >1 mJ is demonstrated for a tunable (1.1-2.9 mum) femtosecond (<140 fs) optical parametric amplifier based on the monoclinic crystal BiB3O6, pumped near 800 nm by a 1 kHz Ti:sapphire laser amplifier.
Ultrabroadband amplification of white-light continuum in the near-IR (~100 THz, 1.2- 2.4 mum) is demonstrated in BiB3O6, pumped by 45 fs long pulses at 800 nm, achieving an energy of 50 muJ at 1 kHz.
Femtosecond pulses in the mid-IR between 5.5 and 11 /spl mu/m are generated by optical parametric amplification in Cd/sub x/Hg/sub 1-x/Ga/sub 2/S/sub 4/ pumped at 0.82 and 1.25 /spl mu/m.
Summary form only given. Here we report on the performance of a single-stage KTiOPO/sub 4/ based optical parametric amplifier (OPA) above 3 /spl mu/m with reduced requirements on the pump levels because of the seeding applied, which in addition facilitates the generation of narrow bandwidths and transform-limited pulses.
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