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Proceedings Paper

Index patterning of photoreactive polymers
Author(s): Ute Daschiel; Roman Führer; Thomas Bauer; Georg Jakopic; Volker Schmidt; Valentin Satzinger; Gisbert Riess; Wolfgang Kern
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Paper Abstract

Photoreactive polymeric materials have been investigated under one-photon (linear) and two photon (non linear) absorption conditions. A selected chromophore, 4-(N,N-diphenylamino)phenyl benzoate, was covalently attached to different polymer backbones (polystyrene, polynorbornene and polysiloxane). It is shown, that the predominant photoreaction of the chromophore is a photo-decarboxylation (extrusion of CO2) both for two-photon and one-photon conditions. The large increase in refractive index, which results from this reaction, allows the optical patterning of the polymeric systems by conventional and two-photon radiation processes. The materials were investigated by ellipsometry, UV-VIS and FT-IR spectroscopy, FT-IR and phase contrast microscopy. Under two-photon conditions, three-dimensional index structures were inscribed in the polymers, which can be used as optical waveguides.

Paper Details

Date Published: 20 August 2009
PDF: 11 pages
Proc. SPIE 7413, Linear and Nonlinear Optics of Organic Materials IX, 74130V (20 August 2009); doi: 10.1117/12.828335
Show Author Affiliations
Ute Daschiel, Univ. of Leoben (Austria)
Polymer Competence Center Leoben GmbH (Austria)
Roman Führer, Univ. of Leoben (Austria)
Polymer Competence Center Leoben GmbH (Austria)
Thomas Bauer, Technical Univ. of Graz (Austria)
Georg Jakopic, JOANNEUM RESEARCH Forschungsgesellschaft mbH (Austria)
Volker Schmidt, JOANNEUM RESEARCH Forschungsgesellschaft mbH (Austria)
Valentin Satzinger, JOANNEUM RESEARCH Forschungsgesellschaft mbH (Austria)
Gisbert Riess, Univ. of Leoben (Austria)
Wolfgang Kern, Univ. of Leoben (Austria)

Published in SPIE Proceedings Vol. 7413:
Linear and Nonlinear Optics of Organic Materials IX
Theodore G. Goodson, Editor(s)

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