Method of and device for measuring the attenuation in optical wa

Details Method of and device for measuring the attenuation in optical wa Method of and device for measuring the attenuation in optical wa

1985-06-21

1987-06-16

McGraw, Vincent P.

Optics: measuring and testing

For optical fiber or waveguide inspection

356433, G01N 2184, G01N 2159

Patent

active

046732918

ABSTRACT:
The attenuation of an optical waveguide is measured by comparing the light power input into the waveguide with the light power output from the waveguide. The input power is encoded on the light signal by pulse frequency modulation. The output power is measured by a light receiver.

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