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Self-focusing collapse distance in ultrashort pulses and measurement of nonlinear index |
Optics Letters, Vol. 36, Issue 13, pp. 2542-2544 (2011)
http://dx.doi.org/10.1364/OL.36.002542
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Abstract
We analyze the method of moving focus to determine the critical power for self-focusing by means of numerical simulation and a semianalytical model. It is shown that the original interpretation of a moving focus experiment does not hold in general and that inclusion of defocusing effects due to free electrons is necessary to relate the measured data to critical power.
© 2011 Optical Society of America
OCIS Codes
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(190.5940) Nonlinear optics : Self-action effects
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.5550) Ultrafast optics : Pulses
ToC Category:
Ultrafast Optics
History
Original Manuscript: May 3, 2011
Manuscript Accepted: May 16, 2011
Published: July 1, 2011
Citation
P. Whalen, J. V. Moloney, and M. Kolesik, "Self-focusing collapse distance in ultrashort pulses and measurement of nonlinear index," Opt. Lett. 36, 2542-2544 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-13-2542
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