Abstract
We proposed and experimentally investigated a novel microbend sensor structure.
The structure is composed of single-mode leads and multimode sensing fiber.
The proposed structure exhibited a level of sensitivity as much as six times
higher than that of the classical microbend sensor configuration when the
same sensing fiber was used. Additionally, single-mode leads reduce lead noise
and allow the use of more-coherent sources. The total loss of the proposed
nondeformed structure is near 2 dB when the proper splicing
method is used.
© 1997 Optical Society of America
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