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14 January 1993 Polymer waveguides for sensor applications
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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.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Thomas Holler, Harald Boettner, and A. Dumbs "Polymer waveguides for sensor applications", Proc. SPIE 1774, Nonconducting Photopolymers and Applications, (14 January 1993); https://doi.org/10.1117/12.139180
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