Plastic optical fiber less attenuating light and process for pro

Details Plastic optical fiber less attenuating light and process for pro Plastic optical fiber less attenuating light and process for pro

1986-11-04

1989-12-26

Kendell, Lorraine T.

Stock material or miscellaneous articles

Composite

Of bituminous or tarry residue

428373, 428394, B32B 2700, G02B 600

Patent

active

048894087

ABSTRACT:
A plastic optical fiber comprising a polymer core constituted mainly of methyl methacrylate and a polymer cladding having a lower refractive index than that of the core, characterized in that the core consists of a methyl methacrylate homopolymer or a copolymer constituted of at least 95% by weight of methyl methacrylate and less than 5% by weight of (i) methyl acrylate, (ii) ethyl acrylate, or (iii) a mixture of both acrylates, that the weight-average molecular weight of the core polymer is from 80,000 to 200,000, and that light attenuations through the fiber are up to 250, 130, 80, and 130 dB/Km at wavelengths of 400, 450, 570, and 650 nm, respectively, and a process for producing the same.

REFERENCES:
patent: 3950315 (1976-04-01), Cleaver
patent: 3993834 (1976-11-01), Chimura et al.
patent: 4318269 (1983-04-01), Kaino et al.
patent: 4544235 (1985-10-01), Nishida et al.

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