Photonic-crystal fibers (PCFs) offer attractive and practical recipes for the enhancement of nonlinear-optical interactions of ultrashort pulses. In this work, it is demonstrated that these 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 PCF 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.


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    Titel :

    Applications of photonic-crystal fibers in nonlinear spectroscopy


    Beteiligte:
    Konorov, S.O. (Autor:in) / Akimov, D.A. (Autor:in) / Serebryannikov, E.E. (Autor:in) / Fedotov, A.B. (Autor:in) / Zheltikov, A.M. (Autor:in)


    Erscheinungsdatum :

    01.01.2005


    Format / Umfang :

    718458 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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