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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 17, Iss. 2 — Feb. 1, 2000
  • pp: 213–218

Laser-irradiation effects during Z-scan measurement on metal nanocluster composite glasses

Giancarlo Battaglin, Paolo Calvelli, Elti Cattaruzza, Riccardo Polloni, Elisabetta Borsella, Tiziana Cesca, Francesco Gonella, and Paolo Mazzoldi  »View Author Affiliations


JOSA B, Vol. 17, Issue 2, pp. 213-218 (2000)
http://dx.doi.org/10.1364/JOSAB.17.000213


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Abstract

Metal nanocluster composite glasses, prepared by sequential copper and nickel implantation in fused silica, are analyzed by the Z-scan method. The role of laser-composite interaction effects in the analyses is discriminated, and a phenomenological model is proposed that effectively reproduces the experimental findings. Spatially modulated reduction of both the linear refractive index and the absorbance are suggested as the mechanisms responsible for the observed transmittance Z-scan curves. The third-order fast nonlinearity of the examined composite in terms of intensity-dependent refractive index is therefore evaluated to be lower than 5×10-12 cm2 W-1.

© 2000 Optical Society of America

OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(160.4330) Materials : Nonlinear optical materials
(160.6990) Materials : Transition-metal-doped materials
(350.5340) Other areas of optics : Photothermal effects
(350.6830) Other areas of optics : Thermal lensing

Citation
Giancarlo Battaglin, Paolo Calvelli, Elti Cattaruzza, Riccardo Polloni, Elisabetta Borsella, Tiziana Cesca, Francesco Gonella, and Paolo Mazzoldi, "Laser-irradiation effects during Z-scan measurement on metal nanocluster composite glasses," J. Opt. Soc. Am. B 17, 213-218 (2000)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-17-2-213

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