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Optical Engineering

Optical fiber coatings for biomedical applications
Author(s): Dipak R. Biswas
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Paper Abstract

Silica optical fibers commonly are used for diagnostic, endoscopic, and surgical applications in medical industries. Optical fiber coatings play an important role in fiber strength, reliability, and biocompatibility. Three major coatings are commonly used on optical fibers: (1) polymeric coatings, such as UV-cured acrylate, silicone, and polyimide; (2) metallic coatings such as aluminum, indium, tin, and gold; and (3) inorganic coatings such as oxides, carbides, nitrides, and carbon. In the medical industry, polymeric coatings are used widely. Metallic and inorganic coatings on optical fibers can also be used. I describe the strength, fatigue, and biocompatibility of silica fibers with different coatings.

Paper Details

Date Published: 1 July 1992
PDF: 4 pages
Opt. Eng. 31(7) doi: 10.1117/12.57701
Published in: Optical Engineering Volume 31, Issue 7
Show Author Affiliations
Dipak R. Biswas, Fiberguide Industries (United States)


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