Engineering of Z-Scan experimental configuration for fast characterization of nonlinear materials

Eugenio Fazio; Paolo Bevilacqua; Mario Bertolotti

doi:10.1117/12.246742

19 August 1996 Engineering of Z-Scan experimental configuration for fast characterization of nonlinear materials

Eugenio Fazio, Paolo Bevilacqua, Mario Bertolotti

Proceedings Volume 2775, Specification, Production, and Testing of Optical Components and Systems; (1996) https://doi.org/10.1117/12.246742
Event: Optical Instrumentation and Systems Design, 1996, Glasgow, United Kingdom

Abstract

An engineering of the Z-scan technique is proposed for a direct measurement of the nonlinear variation of the refractive index of optical materials. The proposed set-up is fast and it gives a real-time control of the experiment. The configuration is based on a fast oscillation of the sample across the focal point of a lens by which the whole experimental signal can be visualized at once on an oscilloscope. Direct digitalization of the oscillograms could increase the experimental sensitivity and gives an on- line control of the noise. In this way both optical and electrical noises can be identified and reduced by suitable filtering.

Citation Download Citation

Eugenio Fazio, Paolo Bevilacqua, and Mario Bertolotti "Engineering of Z-Scan experimental configuration for fast characterization of nonlinear materials", Proc. SPIE 2775, Specification, Production, and Testing of Optical Components and Systems, (19 August 1996); https://doi.org/10.1117/12.246742

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