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Climatic Exposure of Polymer Optical Fibers: Thermooxidative Stability Characterization by Chemiluminescence

Appajaiah, Anilkumar and Wachtendorf, Volker and Daum, Werner (2007) Climatic Exposure of Polymer Optical Fibers: Thermooxidative Stability Characterization by Chemiluminescence. In: Journal of Applied Polymer Science, 103 (3). pp. 1593-1601.

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Abstract

The optical transmission stability was investigated for commercially available polymer optical fibers (POFs) which were exposed to a climate of $92^oC$ and 95% relative humidity for about 3300 h. The optical transmission stability of POFs was correlated to their thermooxidative stability. POFs possessed identical core material, poly methyl methacrylate), but they differed in the materials used for the claddings. The optical transmission was measured online using a prototype device called multiplexer. The chemiluminescence (CL) technique was applied to characterize the thermooxidative stability and degradation of POFs. CL analysis reveals the thermooxidative degradation of bare POFs (core and cladding), predominantly of the claddings, as a result of climatic exposure. Ultraviolet-visible transmittance measurements demonstrated more changes in the claddings as compared to the cores due to degradation. The CL and optical measurements data indicated that the optical transmission stability of POFs was dependent mainly on the thermooxidative stability of the claddings and their chemical compositions.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Wiley InterScience.
Keywords: Ageing;polymer optical fiber;degradation;transparency;chemiluminescence.
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 04 Aug 2008
Last Modified: 19 Sep 2010 04:48
URI: http://eprints.iisc.ernet.in/id/eprint/15433

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