Type

Journal Article

Authors

Gerald Farrell
Agus Hatta
Yuliya Semenova
Qiang wu
Pengfei Wang

Subjects

Engineering

Topics
displacement sensor multimode fiber sensor singlemode multimode singlemode fiber sms fiber structure optical sensing electrical and computer engineering experimental ratiometric system

Experimental Demonstration of a Simple Displacement Sensor Based on a Bent Singlemode-Multimode-Singlemode (SMS) Fiber Structure (2010)

Abstract A simple displacement sensor based on a bent singlemode-multimode-singlemode (SMS) fiber structure is proposed and experimentally investigated. The sensor offers a wider displacement range, not limited by the risk of fiber breakage, as well as a three-fold increase in displacement sensitivity by comparison with a straight SMS structure sensor. This sensor can be interrogated by either an optical spectral analyzer (OSA) or a ratiometric interrogation system: (1) if interrogated by an OSA assuming a resolution of 1 pm, it has a sensitivity of 28.2 nm for a displacement measurement range from 0 to 280 μm; (2) if interrogated by a ratiometric interrogation system, it has worst and best case resolutions of 556 and 38 nm respectively, for a displacement measurement range from 0 to 520 μm.
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Full list of authors on original publication

Gerald Farrell, Agus Hatta, Yuliya Semenova, Qiang wu, Pengfei Wang

Experts in our system

1
Gerald Farrell
TU Dublin
Total Publications: 212
 
2
Yuliya Semenova
TU Dublin
Total Publications: 136
 
3
Qiang wu
TU Dublin
Total Publications: 90
 
4
Pengfei Wang
University of Limerick
Total Publications: 114