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Proceedings Paper

Polymer waveguides for sensor applications
Author(s): Thomas Holler; Harald Boettner; A. Dumbs
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Paper Abstract

Strip waveguides have been fabricated in a thin film consisting of a mixture of poly- (methylmethacrylate) (PMMA) with a UV-sensitive photoinitiator. The film is deposited by spin-coating on a PMMA substrate. As an example for a sensor application, the waveguides were doped with the pH-indicator dye bromophenol blue, which changes the optical behavior of the lightguide in interaction with a humid environment like an aqueous liquid or a gas.

Paper Details

Date Published: 14 January 1993
PDF: 8 pages
Proc. SPIE 1774, Nonconducting Photopolymers and Applications, (14 January 1993); doi: 10.1117/12.139180
Show Author Affiliations
Thomas Holler, Fraunhofer-Institut fuer Physikalische Messtechnik (Germany)
Harald Boettner, Fraunhofer-Institut fuer Physikalische Messtechnik (Germany)
A. Dumbs, Fraunhofer-Institut fuer Physikalische Messtechnik (Germany)

Published in SPIE Proceedings Vol. 1774:
Nonconducting Photopolymers and Applications
Roger A. Lessard, Editor(s)

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