Journal
IEEE SENSORS JOURNAL
Volume 23, Issue 10, Pages 10444-10451Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2023.3262864
Keywords
Evanescent wave (EW); plastic optical fiber (POF); sensor; surface roughness; U-bent fiber
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This article discusses the sensitivity enhancement in U-shaped evanescent wave fiber optic sensor (EWFS). The study examines the impact of surface roughness, material deformation, and probe geometry on the overall sensitivity of U-shaped fiber optic EWFS. Experimental results demonstrate that rough-surfaced fiber probes show a 7% enhancement in sensitivity compared to smooth fiber probes.
In this article, sensitivity enhancement in U-shaped evanescent wave fiber optic sensor (EWFS) has been reported. The overall effect of surface roughness, material deformation, and probe geometry on the sensitivity of U-shaped fiber optic EWFS has been investigated. The experimental results of the developed sensors demonstrate that rough-surfaced fiber probe has similar to 7% enhancement in sensitivity compared with smooth fiber probes.
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