Fabrication of a low-loss plastic optical fiber

Details Fabrication of a low-loss plastic optical fiber Fabrication of a low-loss plastic optical fiber

1981-10-30

1983-04-26

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Utilizing plasma, electric, electromagnetic, particulate, or...

350 9630, 350 9634, 428361, 428373, 5263297, B29D 1100, G02B 514

Patent

active

043812694

ABSTRACT:
In a sealed system, a polymerization initiator and a chain transfer agent are added to a methyl methacrylate monomer distilled under reduced pressure condition via a distillation step of the former both ingredients, the methyl methacrylate monomer is successively polymerized to prepare a core polymer while maintaining the reduced pressure condition, then the resulting core polymer is subjected to melt spinning to form a core fiber while maintaining the sealed system, and a clad of a macromolecular compound having a refractive index lower than that of the aforesaid core fiber is adhered around the periphery thereof, whereby a low-loss plastic optical fiber with excellent optical transmission characteristics having a core-cladding structure is fabricated. Plastic optical fibers so made exhibit light attenuation as low as 60 dB/km or lower.

REFERENCES:
patent: 3930103 (1975-12-01), Chimura et al.
patent: 3993834 (1976-11-01), Chimura et al.
patent: 4161500 (1979-07-01), Schleinitz

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