Self-action of femtosecond pulses with continuum spectrum

Victor G. Bespalov; Sergei A. Kozlov; Alex O. Oukrainski; Sergei V. Sazonov; Yuri A. Shpolyanskiy

doi:10.1117/12.341484

5 March 1999 Self-action of femtosecond pulses with continuum spectrum

Victor G. Bespalov, Sergei A. Kozlov, Alex O. Oukrainski, Sergei V. Sazonov, Yuri A. Shpolyanskiy

Proceedings Volume 3735, ICONO '98: Ultrafast Phenomena and Interaction of Superstrong Laser Fields with Matter: Nonlinear Optics and High-Field Physics; (1999) https://doi.org/10.1117/12.341484
Event: ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, 1998, Moscow, Russian Federation

Abstract

On the basis of the analysis of the wave equations for an electrical field of radiation and without use of slowly varying envelope approximation the self-action of femtosecond light pulses in transparent media is investigated. The results of numerical simulation of spectral supercontinuum evolution, accompanying temporary broadening of intensive pulses with a spectrum in the range of normal group dispersion of medium both with only electronic nonlinearity, and with simultaneous electronic and electronic-vibrational nonlinearities are presented. The opportunity of compression of pulses with supercontinuum spectrum in light formations consisting of one cycle of an electric field is predicted. It is shown that spectral superbroadening of the elliptically polarized radiation is accompanied by nonuniform rotation of a polarization ellipse.

Citation Download Citation

Victor G. Bespalov, Sergei A. Kozlov, Alex O. Oukrainski, Sergei V. Sazonov, and Yuri A. Shpolyanskiy "Self-action of femtosecond pulses with continuum spectrum", Proc. SPIE 3735, ICONO '98: Ultrafast Phenomena and Interaction of Superstrong Laser Fields with Matter: Nonlinear Optics and High-Field Physics, (5 March 1999); https://doi.org/10.1117/12.341484

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