https://doi.org/10.1051/epjconf/201920501023
Tracing the phase of focused broadband laser pulses
1 Helmholtz-Institut Jena and Institut für Optik und Quantenelektronik, Friedrich-Schiller-Universität Jena, Max-Wien-Platz 1, 07743 Jena, Germany
2 Department of Physics of Complex Systems, Weizmann Institute of Science, 234 Herzl St., Rehovot 76100, Israel
3 Max-Planck-Institut fir Quantenoptik, Hans-Kopfermann-Str. 1, 85748 Garching, Germany
4 Department Physik, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Staudtstr. 1, 91058 Erlangen, Germany
* Corresponding author: dominik.hoff@uni-jena.de
Published online: 16 April 2019
We present a three-dimensional measurement of the local focal phase in a focused broadband Gaussian laser beam and find strong deviations from the commonly assumed Gouy phase, with wide ramifications for ultrafast physics.
© The Authors, published by EDP Sciences, 2019
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