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Imaging cross-correlation FROG: Measuring ultrashort, complex, spatiotemporal fields

: Eilenberger, Falk; Brown, Alexander; Minardi, Stefano; Pertsch, Thomas

Postprint (1.8 MByte; PDF; )

Optics Express 21 (2013), No.22, pp.25968-25976
ISSN: 1094-4087
Journal Article, Electronic Publication
Fraunhofer IOF ()

We present imaging cross-correlation frequency-resolved optical gating (ImXFROG), a new method for the spatiotemporal phase retrieval of ultrashort pulses. It is demonstrated that ImXFROG can measure phase and intensity of arbitrary, spatiotemporally distorted pulses with femtosecond resolution and up to 107 independent variables. ImXFROG is implemented as a plug-in upgrade to an existing correlator and used to demonstrate the reconstruction of highly complex, optical pulses with femtosecond features and massive spatiotemporal distortion.