Sensing apparatus employing variable coupler fiberoptic sensor

Details Sensing apparatus employing variable coupler fiberoptic sensor Sensing apparatus employing variable coupler fiberoptic sensor

2005-06-14

2005-06-14

Kang, Juliana (Department: 2874)

Optical waveguides

Optical waveguide sensor

C385S013000, C385S031000, C385S032000, C385S039000

Reexamination Certificate

active

06907148

ABSTRACT:
A fiberoptic sensing apparatus comprises a fiberoptic coupler in which a plurality of optical fibers are joined through a fused coupling region, the optical fibers including at least one input optical fiber and a plurality of output optical fibers, the fiberoptic coupler distributing light incident to the input optical fiber among the plurality of output optical fibers. The coupler is mounted to a support member and configured such that at least a portion of the coupling region can be deflected to change the light distribution among the output fibers without putting the coupling region under tension. A fluid column is cooperative with a deflection member disposed to deflect the portion of the coupling region.

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