Multiple station multiplexed communications link employing a sin

Details Multiple station multiplexed communications link employing a sin Multiple station multiplexed communications link employing a sin

1976-10-29

1978-05-16

Corbin, John K.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

350 9619, 250199, G02B 514, H04B 900

Patent

active

040895840

ABSTRACT:
A single optical fiber having a core with at least one planar side is arranged in an open loop configuration to form a bus which is run between a plurality of communications stations to be served. The legs of the loop are placed side by side to form a paired line cable which interconnects the stations. At each station, a transmit line is coupled into one of the cable lines, and a receive line coupled into the other, such coupling being achieved without breaking the fiber core, by means of a coupler such as a prism, taper, grating coupler or the like, which abuts against an exposed planar portion of the fiber core. Electrical signals are modulated onto a light beam generated at each station by means of a photo-emitter, the light signals received at each station being demodulated from the light beam and processed for utilization as may be required. A multiplex control is employed to time multiplex the signals transmitted from the various stations.

REFERENCES:
patent: 3643030 (1972-02-01), Sparrendahl
patent: 3874779 (1975-04-01), Thiel
patent: 3986020 (1976-10-01), Kogelnik
A. F. Milton, "Optical Fiber Applications", AGARD Lecture Series No. 76 on Electro-Optical Systems, London, England, May 1975, pp. 8-1-21.

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