Optical fiber power tap

Details Optical fiber power tap Optical fiber power tap

1981-11-09

1984-10-09

Sikes, William L.

350 9621, G02B 5172, G02B 726

Patent

active

044757891

ABSTRACT:
At a fiberoptic tap used for monitoring purposes, one fiber, having a certain mode volume is spliced to a second fiber having a relatively lower mode volume. Consequently, in passing from the first fiber to a second fiber, some light is radiated away from the splice. This radiated light is directed to a photodetector. The tap is particularly advantageous for transmitter power monitoring since the radiated optical power is superfluous to that light which is capable of transmission by the line fiber.

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patent: 4169656 (1979-10-01), Hodge
patent: 4188087 (1980-02-01), D'Auria et al.
patent: 4201447 (1980-05-01), Thompson et al.
patent: 4229067 (1980-10-01), Love

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