THE Z-SCAN TECHNIQUE TO CHARACTERIZE NON LINEAR OPTICAL MATERIALS: MODELING AND EXPERIMENT

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Date

2018-02-05

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Publisher

University of Eloued جامعة الوادي

Abstract

I treat the Z-scan technique applied to characterize a non linear material, probed by a laser beam on one of its atomic transitions. By assuming the caustic of the probing optical beam in accordance with the geometric optics approximation, I model the Z-scan setup. I describe a Zscan experiment I performed in CDTA on a ruby crystal sample with a top hat laser beam from a Nd:YAG laser followed by a second harmonic generator. The experimental and theoretical Z-scan curves, thus obtained, show good agreement. The cubic non linearity in the material sample, ruby, is eventually determined.

Description

Séminaire National Sur Laser Solaire Et Matériaux ElOeued 5-6 Février 2018

Keywords

Z-scan Technique; theoretical modeling; Z-scan experiment, Non linear optical material.

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