D-shaped fiber

Details D-shaped fiber D-shaped fiber

1988-04-06

1989-03-28

Sikes, William L.

G02B 622

Patent

active

048158178

ABSTRACT:
A D-shaped fiber which has an evanescent-field which is easily tapable has a low attenuation since a buffer material disposed on a cladding planar side of the waveguide has an index of refraction lower than the cladding so as to effectively increase a radius of the cladding in the vicinity of its planar side so as to minimize signal loss into the fiber buffer.

REFERENCES:
patent: 3823997 (1974-07-01), Gloge et al.
patent: 3887264 (1975-06-01), Kompfner
patent: 4054366 (1977-10-01), Barnoski et al.
patent: 4386822 (1983-06-01), Bergh
patent: 4387954 (1983-06-01), Beasley
patent: 4589725 (1986-05-01), Dyott
patent: 4669814 (1987-06-01), Dyott
patent: 4712866 (1987-12-01), Dyott

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