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Proceedings Paper

Polymer waveguides for optical sensors
Author(s): Hilmar Franke
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Paper Abstract

Polymer waveguides may be fabricated by numerous methods. There is a large number of patterning techniques. Index matched guides may easily be fabricated by adjusting the thickness. Using polymer lightguides the change of the optical parameters is investigated where they occur, in the material directly. Measuring the anisotropy of different polymers the reversible in-diffusion of vapor molecules can be detected . Sensitivity curves can be established and the time constants yield information about the size, shape or polarity of the molecule. Combining plasmon- and leaky mode spectroscopy an absolute method of real and imaginary parts of the polymer film is obtained. Results for using Teflon AF(R) on Ag are presented. With the low index polymer Teflon AF(R) it is possible to make a new class of waveguides, the liquid core waveguides (LCW) with water as a core.

Paper Details

Date Published: 6 August 1996
PDF: 28 pages
Proc. SPIE 10285, Polymers in Optics: Physics, Chemistry, and Applications: A Critical Review, 1028506 (6 August 1996); doi: 10.1117/12.245261
Show Author Affiliations
Hilmar Franke, Univ. Duisburg (Germany)

Published in SPIE Proceedings Vol. 10285:
Polymers in Optics: Physics, Chemistry, and Applications: A Critical Review
Roger A. Lessard; Werner F. Frank, Editor(s)

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