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Phys Rev E Stat Nonlin Soft Matter Phys. 2004 Nov;70(5):057601. doi: 10.1103/PhysRevE.70.057601. Epub 2004 Nov 03.

Cross-correlation frequency-resolved optical gating coherent anti-Stokes Raman scattering with frequency-converting photonic-crystal fibers.

Physical review. E, Statistical, nonlinear, and soft matter physics

S O Konorov, D A Akimov, E E Serebryannikov, A A Ivanov, M V Alfimov, A M Zheltikov

Affiliations

  1. Physics Department, M.V. Lomonosov Moscow State University, 119899 Moscow, Russia.

PMID: 15600802 DOI: 10.1103/PhysRevE.70.057601

Abstract

Photonic-crystal fibers provide a high efficiency of frequency upconversion of regeneratively amplified femtosecond pulses of a Cr: forsterite laser, permitting the generation of subpicosecond anti-Stokes pulses with a smooth temporal envelope and a linear positive chirp, ideally suited for femtosecond coherent nonlinear spectroscopy. These pulses from a photonic-crystal fiber were cross correlated in our experiments with the femtosecond second-harmonic output of the Cr: forsterite laser in toluene solution, used as a test object, in boxcars geometry to measure the spectra of coherent anti-Stokes Raman scattering (CARS) of toluene molecules (XFROG CARS).

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