Access coupler and duplex coupler for single multimode fiber tra

Details Access coupler and duplex coupler for single multimode fiber tra Access coupler and duplex coupler for single multimode fiber tra

1978-01-10

1979-08-28

Corbin, John K.

350 9617, 350 9620, G02B 514

Patent

active

041659147

ABSTRACT:
Optical access and duplex couplers for multimode, fiber, data transmission ines. Access couplers are for use with multiterminal communication systems whereas duplex couplers allow a single fiber to be used for data transmission in both directions. Grooves of different depths and widths are etched into silicon along natural crystal planes to position fibers of different diameters and to provide reflective silvered surfaces. Optical communication signals pass through smaller-diameter transmission lines to larger lines. Light surrounding the smaller-diameter line from the larger line is reflected by the reflective surfaces. Thus, information may be received and added as desired.

REFERENCES:
patent: 3870396 (1975-03-01), Racki et al.
patent: 4021099 (1977-05-01), Kawasaki et al.
patent: 4030811 (1977-06-01), Khoe et al.
patent: 4092061 (1978-05-01), Stigliani, Jr.

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