4.6 Article

4D spatio-temporal electric field characterization of ultrashort light pulses undergoing filamentation

Journal

OPTICS EXPRESS
Volume 30, Issue 15, Pages 27938-27950

Publisher

Optica Publishing Group
DOI: 10.1364/OE.461388

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Funding

  1. European Regional Development Fund [GINOP-2.3.6-15-2015-00001]
  2. Deutsche Forschungsgemeinschaft [EXC2122 390833453, EXC-2123-A05 390837967, QUTIF IV 152/7-1]
  3. Laserlab-Europe [654148]
  4. Vetenskapsradet [2016-04907]
  5. Swedish Research Council [2016-04907] Funding Source: Swedish Research Council

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An experimental method is presented for capturing the complete spatiotemporal dynamics of filamenting ultrashort laser pulses and selecting laser pulses with desired parameters.
We present an experimental method capable of capturing the complete spatiotemporal dynamics of filamenting ultrashort laser pulses. By employing spatially resolved Fourier transform spectrometry in combination with the capability to terminate the filament at any length, we can follow the nonlinear dynamics in four dimensions, i.e. the transverse domain, time and filament length. Our method thus not only enables the full characterization of the filamentation process throughout its evolution, but also allows to identify and select laser pulses with desired parameters. Published by Optica Publishing Group under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

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