Cross-correlation measurement of femtosecond noncollinear high-order harmonics
JOSA B, Vol. 14, Issue 4, pp. 950-956 (1997)
http://dx.doi.org/10.1364/JOSAB.14.000950
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Abstract
The durations of extreme-ultraviolet femtosecond pulses (harmonics 21 and 27 of a Ti:sapphire femtosecond laser) have been measured by a cross-correlation technique. Photoelectron energy spectra resulting from ionization of helium atoms by one harmonic photon in the presence of the infrared laser field show sidebands that provide a cross-correlation signal from which the durations of the harmonic pulses can be obtained. The measurements yield a mean value of 130 fs for both harmonics. The accuracy of the method depends on the actual intensity dependence of the sidebands.
© 1997 Optical Society of America
[Optical Society of America ]
Citation
A. Bouhal, R. Evans, G. Grillon, A. Mysyrowicz, P. Breger, P. Agostini, R. C. Constantinescu, H. G. Muller, and D. von der Linde, "Cross-correlation measurement of femtosecond noncollinear high-order harmonics," J. Opt. Soc. Am. B 14, 950-956 (1997)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-14-4-950
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