Formation of stimulated Raman scattering pulses in dimethylsulphoxide (DMSO) with a modified noncolinear correlation technique

Dmitrii N. Boldovsky; Eugene A. Tikhonov

doi:10.1117/12.340045

28 January 1999 Formation of stimulated Raman scattering pulses in dimethylsulphoxide (DMSO) with a modified noncolinear correlation technique

Dmitrii N. Boldovsky, Eugene A. Tikhonov

Author Affiliations +

Proceedings Volume 3733, ICONO '98: Nonlinear Optical Phenomena and Coherent Optics in Information Technologies; (1999) https://doi.org/10.1117/12.340045
Event: ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, 1998, Moscow, Russian Federation

Abstract

The phenomenon of stimulated Raman scattering (SRS) has attracted the attention of researchers by the possibility of excitation of the stimulated radiation on discreet lines in a wide spectral range. The huge number of Raman-active media are found at the present time. The most distinctive features of backward SRS were studied, both experimentally and theoretically, by M. Maier et al. The effect of transient, backward stimulated Raman scattering (BSRS) under the picosecond excitation, can be used for the generation of the ultrashort pulses with significant peak power and spectral characteristic, which are acceptable for a wide range of applications, such as spectroscopy, characterization of optical properties of the condensed media, etc. S. Arrivo et al used BSRS as a pumping source for the generation of femtosecond pulses in a short cavity dye laser. Being in the framework of a kinetic method, M. Maier et al demonstrated that forward and backward SRS propagate in considerable different conditions. The SRS pulses in the forward direction satisfy the equation of gaining saturation. The backward SRS (BSRS) pulses are amplified by the excitation radiation, moving toward the pumping pulses. The temporal profiles of SRS pulses are considerably different in both these cases. As was predicted in a work of M. Maier et al and experimentally studied by S.W. Arrivo et al, the BSRS pulses may have a duration that is significantly shorter than can be expected, based on the spectral width of spontaneous Raman scattering.

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Dmitrii N. Boldovsky and Eugene A. Tikhonov "Formation of stimulated Raman scattering pulses in dimethylsulphoxide (DMSO) with a modified noncolinear correlation technique", Proc. SPIE 3733, ICONO '98: Nonlinear Optical Phenomena and Coherent Optics in Information Technologies, (28 January 1999); https://doi.org/10.1117/12.340045

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KEYWORDS

Picosecond phenomena

Raman scattering

Raman spectroscopy

Correlation function

Liquids

Femtosecond phenomena

Harmonic generation

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