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Proceedings Paper

Z-scan measurement of the nonlinear response of new materials by using a high-repetition-rate femtosecond laser
Author(s): José Antonio Nóvoa López; David Novoa; Humberto Michinel; Alicia V. Carpentier; José Ramón Salgueiro; María Martínez Valado; Pedro Chamorro; Pablo Martin
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Paper Abstract

Nowadays, it has become an essential task to characterize the nonlinear optical response of new materials, in order to identify suitable candidates for ultrafast processing in all-optical devices. One of the most widely-used techniques for this purpose is the Z-scan, which consists on measuring the nonlinear refractive and absorptive responses of a material by scanning the sample along the optical path of a convergent Gaussian beam. We will analyze the nonlinear response of carbon disulfide and new organic composites. In our setup, using a high-repetition rate femtosecond laser, we have included an optical chopper for managing thermal effects in order to characterize electronic nonlinearities.

Paper Details

Date Published: 26 July 2011
PDF: 5 pages
Proc. SPIE 8001, International Conference on Applications of Optics and Photonics, 80011D (26 July 2011); doi: 10.1117/12.892178
Show Author Affiliations
José Antonio Nóvoa López, Univ. de Vigo (Spain)
David Novoa, Univ. de Vigo (Spain)
Humberto Michinel, Univ. de Vigo (Spain)
Alicia V. Carpentier, Univ. de Vigo (Spain)
José Ramón Salgueiro, Univ. de Vigo (Spain)
María Martínez Valado, Univ. de Vigo (Spain)
Pedro Chamorro, Univ. de Valladolid (Spain)
Pablo Martin, Univ. de Valladolid (Spain)


Published in SPIE Proceedings Vol. 8001:
International Conference on Applications of Optics and Photonics

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