12 September 2014 Supercontinuum spectrum in IR Bessel-Gauss and Gauss pulsed beam filament under anomalous group velocity dispersion in fused silica
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Abstract
Paper concerns experimental and numerical investigation on supercontinuum emission in the process of femtosecond beam filamentation under different geometrical focusing in presence of anomalous group velocity dispersion in fused silica. It was shown that energy of supercontinuum visible part increases discretely with increasing of input laser pulse energy. It is connected with light bullets formation. Also it was found that energy of supercontinuum visible part connected with each bullet doesn’t depend on focusing geometry.
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A. E. Dokukina, A. E. Dokukina, E. O. Smetanina, E. O. Smetanina, V. O. Kompanets, V. O. Kompanets, S. V. Chekalin, S. V. Chekalin, V. P. Kandidov, V. P. Kandidov, } "Supercontinuum spectrum in IR Bessel-Gauss and Gauss pulsed beam filament under anomalous group velocity dispersion in fused silica", Proc. SPIE 9219, Infrared Remote Sensing and Instrumentation XXII, 92190I (12 September 2014); doi: 10.1117/12.2061393; https://doi.org/10.1117/12.2061393
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