Z-scan measurements using femtosecond continuum generation | Zendy

Leonardo De Boni | Zendy; Acácio A. Andrade | Zendy; L. Misoguti | Zendy; Cléber Renato Mendonça | Zendy; Sérgio Carlos Zílio | Zendy

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Z-scan measurements using femtosecond continuum generation

Author(s) -

Leonardo De Boni,

Acácio A. Andrade,

L. Misoguti,

Cléber Renato Mendonça,

Sérgio Carlos Zílio

Publication year - 2004

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.12.003921

Subject(s) - optics , femtosecond , z scan technique , materials science , wavelength , absorption (acoustics) , nonlinear optics , saturable absorption , absorption spectroscopy , two photon absorption , spectral line , laser , physics , fiber laser , astronomy

We present a single beam Z-scan technique using an intense, broadband, white-light continuum (WLC) beam for the direct measurement of nonlinear absorption spectra. In order to demonstrate the validity of our technique, we compared the results of tetraaniline and Sudan 3 solutions obtained with WLC and conventional single wavelength light sources. Both approaches lead to the same nonlinear spectrum, indicating that the association of the Z-scan technique and the WLC source results in an useful method for the measurement of nonlinear spectra of both absorbing (saturable absorption or reverse saturable absorption) and transparent (two-photon absorption) samples.

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