Far-field spectral characterization of conical emission and filamentation in Kerr media
JOSA B, Vol. 22, Issue 4, pp. 862-869 (2005)
http://dx.doi.org/10.1364/JOSAB.22.000862
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Abstract
By use of an imaging spectrometer we map the far-field (theta-lambda) spectra of 200-fs optical pulses that have undergone beam collapse and filamentation in a Kerr medium. By studying the evolution of the spectra with increasing input power and by using a model based on an asymptotic linear superposition of stationary wave modes (rather than the exact instantaneous solution), we are able to trace a consistent model of optical beam collapse highlighting the interplay between conical emission, multiple pulse splitting, and other effects such as spatial chirp.
© 2005 Optical Society of America
OCIS Codes
(190.5940) Nonlinear optics : Self-action effects
(320.2250) Ultrafast optics : Femtosecond phenomena
Citation
Daniele Faccio, Paolo Di Trapani, Stefano Minardi, Alberto Bramati, Francesca Bragheri, Carlo Liberale, Vittorio Degiorgio, Audrius Dubietis, and Aidas Matijosius, "Far-field spectral characterization of conical emission and filamentation in Kerr media," J. Opt. Soc. Am. B 22, 862-869 (2005)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-22-4-862
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