Spatially resolved small-angle noncollinear interferometric autocorrelation of ultrashort pulses with microaxicon arrays
JOSA A, Vol. 18, Issue 11, pp. 2923-2931 (2001)
http://dx.doi.org/10.1364/JOSAA.18.002923
Acrobat PDF (471 KB)
Abstract
Small-angle, noncollinear, first- and second-order interferometric autocorrelation experiments with Ti:sapphire laser pulses of 9–80-fs duration have been performed with microaxicon arrays. Predictions of short-pulse spatial frequency effects were verified by comparison of interference patterns of single elements and matrices. An angular spectrum of Gaussian-shaped axicons was analyzed on the basis of linear refraction. Experimental data indicate contributions to autocorrelation by nonlinear refraction and travel-time differences. The influence of the spectral bandwidth was separated from the pulse-duration-dependent effects. Spatially resolved information about the coherence time was delivered by the multichannel structure.
© 2001 Optical Society of America
[Optical Society of America ]
OCIS Codes
(230.0230) Optical devices : Optical devices
(320.0320) Ultrafast optics : Ultrafast optics
(320.2250) Ultrafast optics : Femtosecond phenomena
Citation
R. Grunwald, U. Griebner, E. T. J. Nibbering, A. Kummrow, M. Rini, T. Elsaesser, V. Kebbel, H.-J. Hartmann, and W. Jüptner, "Spatially resolved small-angle noncollinear interferometric autocorrelation of ultrashort pulses with microaxicon arrays," J. Opt. Soc. Am. A 18, 2923-2931 (2001)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-18-11-2923
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