Fiber optic time standard

Details Fiber optic time standard Fiber optic time standard

1982-12-20

1985-05-21

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

350 9634, 307310, 328 61, 368108, G02B 514

Patent

active

045188580

ABSTRACT:
Apparatus for producing a time standard including a source of radiation, two fibers of different length to transmit the radiation, and means to produce a signal representative of the difference in propagation time through the fibers that is constant despite temperature changes.

REFERENCES:
patent: 4164373 (1979-08-01), Schuss et al.
patent: 4406003 (1983-09-01), Eberly et al.
Cohen & Flemming, Effect of Temperature on Transmission in Lightguides, The Bell System Technical Journal, vol. 58, No. 4, Apr. 1979.

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