Z-scan theoretical model for simultaneous n- and (n+1)-photon absorption-Reference-Cited by-同舟云学术

Z-scan theoretical model for simultaneous n- and (n+1)-photon absorption

Published:2019-09 Issue:03 Volume:28 Page:1950022
ISSN:0218-8635
Container-title:Journal of Nonlinear Optical Physics & Materials
language:en
Short-container-title:J. Nonlinear Optic. Phys. Mat.

Author:

Kessi Ferhat¹,Hamadouche Naima²

Affiliation:

1. Department of Technology, A. Mira University of Bejaia, Campus Targua Ouzemmour, 06000 Bejaia, Algeria

2. Unité de Recherche LAMOS, Bloc Bureaux des enseignants, A. Mira University of Bejaia, Campus Targua Ouzemmour, 06000 Bejaia, Algeria

Abstract

We present a theoretical analysis of multi-photon absorption processes. We find an approximate closed-form expression of the normalized transmittance for a thin sample with two successive nonlinear absorption processes at a time ([Formula: see text]- and [Formula: see text]-photon absorption) in the presence of residual linear absorption. Our approach allows for simultaneous identification and evaluation of the nonlinear absorption coefficients and Rayleigh lengths of the incident elliptic Gaussian beam by fitting the open [Formula: see text]-scan traces.

Publisher

World Scientific Pub Co Pte Lt

Subject

Physics and Astronomy (miscellaneous),Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials

Link

https://www.worldscientific.com/doi/pdf/10.1142/S021886351950022X

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