Paper
6 August 1996 Polymer waveguides for optical sensors
Hilmar Franke
Author Affiliations +
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.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hilmar Franke "Polymer waveguides for optical sensors", Proc. SPIE 10285, Polymers in Optics: Physics, Chemistry, and Applications: A Critical Review, 1028506 (6 August 1996); https://doi.org/10.1117/12.245261
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KEYWORDS
Polymers

Waveguides

Polymer multimode waveguides

Optical sensors

Polymeric sensors

Molecules

Anisotropy

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