Matches in SemOpenAlex for { <https://semopenalex.org/work/W3212480497> ?p ?o ?g. }
- W3212480497 abstract "ABSTRACT The effect of extending the conjugation length, the deployment of various substituents and configurational locking of the polyene backbone on the second-order nonlinear optical (NLO) response of a series of indoline based compounds has been investigated. The compounds were examined using Hyper-Rayleigh scattering (HRS) and relative second-harmonic generation (SHG) techniques with a femtosecond operating system with a 1300 nm fundamental wavelength. All of the compounds were found to have high molecular hyperpolarizabilities with values of up to 1230 x 10 -30 esu. At the macroscopic level - for poled polymer thin films - a stro ng second-order NLO signal has been detected and d 33 values of up to 217 pm/V are found a response of some ten times greater than that found for the well known azo dye Disperse Red 1. Keywords: Second-order nonlinear optics, hyper-Rayleigh scattering, hyperpolarizability, corona poling, indoline and dipolar chromophore 1. INTRODUCTION Among the many known nonlinear optical (NLO) processes, the phenomenon of second-order optical nonlinearity is one of the most well studied. This is because materials with high second-order nonlinearities are expected to underpin applications in areas such as electro-optic switching for telecommunications" @default.
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- W3212480497 date "2011-08-21" @default.
- W3212480497 modified "2023-09-24" @default.
- W3212480497 title "Optimizing the Second-Order Nonlinear Optical Response in Some Indoline Based Chromophores at the Molecular and Macroscopic Levels" @default.
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