Photoinduced Modifications of the Nonlinear Optical Response in Liquid Crystalline Azopolymers

Photoinduced Modifications of the Nonlinear Optical Response in Liquid Crystalline Azopolymers
Author :
Publisher : Springer Science & Business Media
Total Pages : 209
Release :
ISBN-10 : 9783642317569
ISBN-13 : 3642317561
Rating : 4/5 (561 Downloads)

Book Synopsis Photoinduced Modifications of the Nonlinear Optical Response in Liquid Crystalline Azopolymers by : Raquel Alicante

Download or read book Photoinduced Modifications of the Nonlinear Optical Response in Liquid Crystalline Azopolymers written by Raquel Alicante and published by Springer Science & Business Media. This book was released on 2012-10-02 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonlinear optical (NLO) phenomena such as frequency conversion have played a key role in the development of photonic technologies. This thesis reports a detailed study of the molecular response of a large variety of push-pull organic compounds using the Second Harmonic Generation technique, which will serve as a starting point for the investigation at the macroscopic scale of azobenzene-based liquid crystalline polymeric films and their blends with highly efficient NLO chromophores. These materials are designed with the aim of exploiting their photoadressability in order to tailor their nonlinear behaviour. The magnitude and symmetry of their NL response was successfully controlled via light irradiation and thermal treatments. Moreover, as a specific application, the recording of efficient NLO gratings was achieved.


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