Plastic optical fiber
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United States of America Patent
Stats
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Jun 10, 1986
Grant Date -
N/A
app pub date -
Dec 19, 1983
filing date -
Dec 24, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A plastic optical fiber having an enhanced light transmission and satisfactory mechanical and chemical properties is composed of a core having a refractive index n.sub.1, a cladding layer having a refractive index n.sub.2, and a protective layer having a refractive index n.sub.3, the refractive indices n.sub.1, n.sub.2, and n.sub.3 satisfying the relationships n.sub.1 -n.sub.2 .gtoreq.0.01 and n.sub.3 -n.sub.2 >0 and the cladding layer being composed of a copolymer of: (A) 20% to 99.95% by weight of at least one comonomer selected from fluoroalkyl acrylates and methacrylates, (B) 0.05% to 10% by weight of at least one vinyl comonomer having a hydrophilic radical, and (C) 0% to 79.95% by weight of at least one other vinyl comonomer capable of copolymerizing with the comonomers (A) and (B).
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