Plastic optical fibers and process for the production thereof

Details Plastic optical fibers and process for the production thereof Plastic optical fibers and process for the production thereof

H - Electricity

01

P

18/103, 18/585,

H01P 3/00 (2006.01) D01F 8/06 (2006.01) G02B 1/04 (2006.01) B29C 47/00 (2006.01)

Patent

CA 2034555

ABSTRACT A plastic optical fiber comprising a core polymer having a refractive index of n1, which comprises a polymer of .alpha. , .beta. -unsaturated carboxylic acid fluoroalkylester represented by the general formula [I] as the main monomer, and a clad copolymer having a refractive index of n2, which comprises perfluoro(2,2- dimethyl-1,3-dioxole) as the main monomer, and which satisfies the relationship of (n1-n2>0.01): Image [I] wherein X represents CH3, H, D, F, C?, or CH3, Y represents H or D, and Rf represents a fluoroalkyl group having a linear or branched chain. The optical fiber is prepared by a melt- extrusion method. The optical fiber has a very excellent light transmitting properties, and it is suitable as an optical fiber for long distance light communication.

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