Plastic optical waveguide and optical switch using same

Details Plastic optical waveguide and optical switch using same Plastic optical waveguide and optical switch using same

1998-02-03

2000-04-04

Healy, Brian

Optical waveguides

Having particular optical characteristic modifying chemical...

385 15, 385 16, 385123, 385143, 385145, 528271, G02B 600, C08G 6300

Patent

active

060470984

ABSTRACT:
A plastic optical waveguide with a low loss property, a low birefringence and a high temperature endurance constructed with a polyimide obtained from an acid dianhydride based component and a diamine based component, wherein at least one of a core layer and a cladding layer of the optical waveguide is made of an acid dianhydride based component including an alicyclic acid dianhydride or an aliphatic acid dianhydride, the plastic optical waveguide having an optical loss in a 1.3 .mu.m band of 0.5 dB/cm or less, and a refractive index of the core layer being larger than that of the cladding layer.

REFERENCES:
patent: 4302233 (1981-11-01), Ahme et al.
patent: 4385165 (1983-05-01), Ahne et al.
patent: 4397999 (1983-08-01), Ahne et al.
patent: 5108201 (1992-04-01), Matsuura et al.
patent: 5270431 (1993-12-01), Blum
patent: 5572619 (1996-11-01), Maruo et al.
patent: 5598501 (1997-01-01), Maruo et al.

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