NDLI: Second order nonlinear optical properties of poled films containing azobenzenes tailored with azulen-1-yl-pyridine.

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Second order nonlinear optical properties of poled films containing azobenzenes tailored with azulen-1-yl-pyridine.

Content Provider	Europe PMC
Author	Manea-Saghin, Ana-Maria Ion, Adrian E. Kajzar, Francois Nica, Simona
Copyright Year	2023
Abstract	Azo compounds, which are highly versatile molecules, have attracted a considerable attention both for their fundamental properties and for practical applications, especially in photonics. The conjugated azo-aromatic systems containing 4-(R-azulen-1-yl)-2,6-dimethyl-pyridine were investigated for their nonlinear optical properties. These molecules were embedded in polymethyl methacrylate (PMMA) matrix, and the obtained guest-host systems were processed into good optical quality thin film by spin coating technique. The dipolar moments of dissolved in PMMA molecules were oriented by applying a high DC electric field at a temperature close to the polymer glass transition temperature. The second - order nonlinear optical (NLO) properties of poled films were studied by the optical second harmonic generation technique (SHG). The poling kinetics, studied by in situ SHG as well as the measured second-order NLO susceptibilities of poled films are reported and discussed.
Journal	Heliyon
Volume Number	9
PubMed Central reference number	PMC10333621
Issue Number	6
PubMed reference number	37441403
e-ISSN	24058440
DOI	10.1016/j.heliyon.2023.e17360
Language	English
Publisher	Elsevier
Publisher Date	2023-06-17
Access Restriction	Open
Rights License	This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). © 2023 The Authors
Subject Keyword	Polymethyl methacrylate (PMMA) Second - order nonlinear optical (NLO) properties Poled films Azulene based compounds Guest-host systems
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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