Andrius Baltuska, Maxim S. Pshenichnikov, Douwe A. Wiersma, Ultrafast Laser and Spectroscopy Laboratory, Dept. of Chemistry, Univ. of Groningen, Groningen, The Netherlands.
Accurate phase and amplitude characterization of sub-5-fs laser pulses, which became available a year ago, is essential for most spectroscopic applications. For such short pulses, spectral phase corrections must be carried out across the bandwidth of several hundreds of nanometers. Therefore, a comprehensive knowledge of phase distortions is invaluable for optimization of multistage compressors to obtain the ultimate spectral-limited pulses.
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