The newly introduced imaging techniques D4σ and Dark-field Z-scan (DFZ-scan) are very
much appropriate to measure the third-order nonlinear (NL) refractive index in the presence …

The Z-scan experiment is the fastest method to determine non-linear optical (NLO)
coefficients of materials. Classic Z-scan technique described by Sheik-Bahae et al.(1989) …

The newly introduced imaging Dark-field Z-scan (DFZ-scan) technique is applied here to
demonstrate its ability to measure the optical third-order nonlinear (NL) index coefficient in …

We introduce an imaging technique based on a combination of Dark-field microscopy and Z-
scan techniques (called Dark-field Z-scan) in order to characterize optical third-order …

The current research shows the results obtained through the implementation of the axial
scanning technique, which were applied to determine the non-linear optical response of …

This study deals with numerical simulations to optimize the parameters of the Dark Filed Z-
scan (DFZ-scan) in a microscopic configuration for third-order nonlinear (NL) refraction …

This study deals with numerical simulations to optimize the parameters in general of the
newly introduced Dark Filed Z-scan (DF-Z-scan) in a microscopic configuration for third …

Es conocido que la técnica Z-scan se utiliza para estudiar la respuesta óptica de materiales
no lineales. Esta técnica es un método que permite detectar la respuesta no lineal de un …

Symmetry plays a principal role in both of classical and modern physics [1, 2]. In optical
physics, crystallite symmetry, which is microscopic structural symmetry, is a key to …

Notre étude concerne la mesure du déphasage optique non linéaire (NL) d'ordre trois. Deux
catégories de procédés seront abordées: i) la technique interférométrique à décalage de …