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Anne L'Huillier

Anne l'Huillier

Professor

Anne L'Huillier

Single-shot d-scan technique for ultrashort laser pulse characterization using transverse second-harmonic generation in random nonlinear crystals

Author

  • F. J. Salgado-Remacha
  • B. Alonso
  • H. Crespo
  • C. Cojocaru
  • J. Trull
  • R. Romero
  • M. Lopez-Ripa
  • P. T. Guerreiro
  • F. Silva
  • M. Miranda
  • A. L'Huillier
  • C. L. Arnold
  • I. J. Sola

Summary, in English

We demonstrate a novel dispersion-scan (d-scan) scheme for single-shot temporal characterization of ultrashort laser pulses. The novelty of this method relies on the use of a highly dispersive crystal featuring antiparallel nonlinear domains with a random distribution and size. This crystal, capable of generating a transverse second-harmonic signal, acts simultaneously as the dispersive element and the nonlinear medium of the d-scan device. The resulting in-line architecture makes the technique very simple and robust, allowing the acquisition of single-shot d-scan traces in real time. The retrieved pulses are in very good agreement with independent frequency-resolved optical grating measurements. We also apply the new single-shot d-scan to a terawatt-class laser equipped with a programmable pulse shaper, obtaining an excellent agreement between the applied and the d-scan retrieved dispersions.

Department/s

  • Department of Physics

Publishing year

2020-07-15

Language

English

Pages

3925-3928

Publication/Series

Optics Letters

Volume

45

Issue

14

Document type

Journal article

Publisher

Optical Society of America

Topic

  • Other Physics Topics

Status

Published

ISBN/ISSN/Other

  • ISSN: 0146-9592