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Third order harmonics generation in multilayer nanoshells
Authors:Ali Bahari  Fereshteh Rahimi Moghadam
Affiliation:1. Institute of Physics, University of Belgrade, 11080 Belgrade, Serbia;2. Institute of Physics, Polish Academy of Science, 02-688 Warsaw, Poland;1. Department of Chemistry, Hetampur Raj High School, Hetampur, Birbhum 731124, West Bengal, India;2. Department of Chemistry, Physical Chemistry Section, Visva Bharati University, Santiniketan, Birbhum 731235, West Bengal, India;1. Laboratoire de Physique des Matériaux et Modélisation des Systèmes, (LP2MS), Unité Associée au CNRST-URAC 08, University of Moulay Ismail, Physics Department, Faculty of Sciences, B.P. 11201, Meknes, Morocco;2. Université de Lorraine, LCP-A2MC, Institut de Chimie, Physique et Matériaux, 1 Bd. Arago, 57070, Metz, France;3. Condensed MatterTheory Group, Department of Physics and Astronomy, Uppsala University, 75120, Uppsala, Sweden
Abstract:Third order harmonics generation has been investigated for multilayer nanoshell structure. Numerical calculations show that the nonlinear susceptibility of this structure depends on the parameters such as size and kind of structure, relaxation time and pump photon energy. The intensity and position of third order nonlinear susceptibility peaks depend on shell thicknesses; smaller thicknesses have peak susceptibility at shorter wavelength.
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