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Applied Physics B

, Volume 69, Issue 2, pp 133–136 | Cite as

Simultaneous measurement of pure-optical and thermo-optical nonlinearities induced by high-repetition-rate, femtosecond laser pulses: application to CS2

  • M. Falconieri
  • G. Salvetti
Regular paper

Abstract.

A simple experimental technique is presented capable of separating the contribution of purely optical Kerr effects from that of thermo-optical effects in the nonlinear response of materials under high-repetition-rate laser irradiation. The technique has been realized by combining the single-beam Z-scan method with the single-beam thermal lens measurement method. We demonstrate this technique by analysing the nonlinear response at 770 nm of CS2 which exhibits cumulative thermal effects when irradiated by very intense femtosecond laser pulses at a 76-MHz repetition rate.

PACS: 42.65.-k; 42.65.An; 42.65.Jx 

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Copyright information

© Springer-Verlag 1999

Authors and Affiliations

  • M. Falconieri
    • 1
  • G. Salvetti
    • 1
  1. 1.ENEA, CR Casaccia, Divisione Nuovi Materiali, Via Anguillarese 301, 00060 Roma, Italy (Fax: +39-6/3048-4864, E-mail: salvetti@casaccia.enea.it)IT

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