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Berlin 2014 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 53: Ultrashort laser pulses III

Q 53.4: Vortrag

Donnerstag, 20. März 2014, 17:15–17:30, DO26 207

Michelson-type all-reflective interferometric autocorrelation in the VUV regime — •Thomas Gebert, Dimitrios Rompotis, Fawad Karimi, Armin Azima, Marek Wieland, and Markus Drescher — Institut für Experimentalphysik, Universität Hamburg, Luruper Chaussee 149, D-22761 Hamburg, Germany

We demonstrate second-order interferometric autocorrelation of a pulse in the vacuum-ultraviolet (VUV) spectral range using an optical arrangement equivalent to a Michelson interferometer. In an all-reflective design, wavefront splitting is realized with two moveable interdigitated reflective gratings. This arrangement is used to demonstrate interferometric autocorrelation in krypton with femtosecond VUV pulses at 160 nm wavelength. In addition to the pulse duration, which is already accessible with non-collinear intensity autocorrelation, the full interferometric contrast of the presented approach enables us to extract also information on temporal phases.

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DPG-Physik > DPG-Verhandlungen > 2014 > Berlin