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Photoinduced Modifications of the Nonlinear Optical Response in Liquid Crystalline Azopolymers

Springer Berlin,
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This study of the molecular response of a variety of push-pull organic compounds offers a starting point for macroscopic-scale investigation of azobenzene-based liquid crystalline polymeric films and their blends with highly efficient NLO chromophores.

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Hauptbeschreibung

Titel: Photoinduced Modifications of the Nonlinear Optical Response in Liquid Crystalline Azopolymers
Autoren/Herausgeber: Raquel Alicante
Aus der Reihe: Springer Theses
Ausgabe: 2013

ISBN/EAN: 9783642430077

Seitenzahl: 200
Format: 23,5 x 15,5 cm
Produktform: Taschenbuch/Softcover
Gewicht: 343 g
Sprache: Englisch

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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