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IBM Journal of Research and Development  
Volume 21, Number 2, Page 168 (1977)
Polymers
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Properties of Polymeric Thin Films by Integrated Optical Techniques

by J. D. Swalen, R. Santo, M. Tacke, J. Fischer
We report an innovative procedure for taking measurements using integrated optical techniques on a number of polymers fabricated into thin film form and used as optical waveguides. Refractive index (including anisotropy), absorption and scattering, and film thickness have been determined by light guiding properties. Techniques for film preparation, including doctor blading, dipping, horizontal flowing, and spinning, are also discussed. The polymers studied are poly(methyl methacrylate), poly(vinyl-formal), poly-acrylonitrile, poly(vinyl alcohol), poly(vinyl pyrrolidone), poly(vinyl benzoate), and polystyrene.
Related Subjects: Films; Films, polymer; Materials; Polymers