Splice-free fiber optic recirculating memory

Details Splice-free fiber optic recirculating memory Splice-free fiber optic recirculating memory

1981-10-23

1984-09-25

Lee, John D.

Static information storage and retrieval

Magnetic bubbles

Guide structure

365 64, 365 76, 455612, G02B 5172

Patent

active

044732708

ABSTRACT:
A fiber optic recirculating memory is disclosed which utilizes a single splice-free single mode optical fiber coupled to itself to form a loop which acts as a delay line. A single signal supplied as an input to the device will result in a series of output signals identical to the input signal, although at smaller, decreasing amplitudes. In addition to being useful as a recirculating memory device for use in a system where data is generated at a rate faster than it can be accepted by a data processor, the invention may be used as a tap filter to pass a selected fundamental frequency and its harmonics, and to attenuate all other frequencies.

REFERENCES:
patent: 4136929 (1979-01-01), Suzaki
patent: 4166212 (1979-08-01), Judeinstein
patent: 4342499 (1982-08-01), Hicks, Jr.

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