Method and apparatus for measuring a plurality of light waveguid

Details Method and apparatus for measuring a plurality of light waveguid Method and apparatus for measuring a plurality of light waveguid

1993-07-30

1995-06-13

McGraw, Vincent P.

Optics: measuring and testing

For optical fiber or waveguide inspection

25022721, G01N 2159, G01N 2184

Patent

active

054248310

ABSTRACT:
An apparatus for performing measurements on a plurality of light waveguides comprises an arrangement for coupling distinguishably fed optical signals into each of the waveguides and measuring each of the distinguishable signals from the waveguides by using flexural couplers. In one embodiment, the distinguishable signals are obtained by utilizing modulated signals of different modulations, or different frequencies. In another embodiment, the signals are sequentially applied in a chronological order to the waveguides and are separately evaluated.

REFERENCES:
patent: 4498004 (1985-02-01), Adolfsson et al.
patent: 4534615 (1985-08-01), Iwasaki
patent: 5040866 (1991-08-01), Engel
patent: 5090802 (1992-02-01), Longhurst
Hotchkiss "Automated Loss Measurement Set for Optical Cables" Electronics Test, vol. 29 #13, Jun. 1981, pp. 32-33.

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