D-shaped polarization maintaining fiber sensor for strain and temperature monitoring
A D-shaped polarization-maintaining fiber (PMF) as fiber optic sensor for the simultaneous monitoring of strain and the surrounding temperature is presented. A mechanical end and edge polishing system with aluminum oxide polishing film is utilized to perform sequential polishing on one side (lengthw...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2016
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| Subjects: | |
| Online Access: | http://eprints.utm.my/id/eprint/71153/1/HummadHabibQazi2016_DShapedPolarizationMaintainingFiberSensor.pdf http://eprints.utm.my/id/eprint/71153/ https://www.scopus.com/inward/record.uri?eid=2-s2.0-84988461788&doi=10.3390%2fs16091505&partnerID=40&md5=ae3acdf8b0f70467ef623f29d2dc6f6c |
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| Summary: | A D-shaped polarization-maintaining fiber (PMF) as fiber optic sensor for the simultaneous monitoring of strain and the surrounding temperature is presented. A mechanical end and edge polishing system with aluminum oxide polishing film is utilized to perform sequential polishing on one side (lengthwise) of the PMF in order to fabricate a D-shaped cross-section. Experimental results show that the proposed sensor has high sensitivity of 46 pm/με and 130 pm/ºC for strain and temperature, respectively, which is significantly higher than other recently reported work (mainly from 2013) related to fiber optic sensors. The easy fabrication method, high sensitivity, and good linearity make this sensing device applicable in various applications such as health monitoring and spatial analysis of engineering structures. |
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