Abstract
The sensitivity of the plasmonic sensor surfaces can be enhanced significantly if the sensor region is bent to U shape. Here, an experimental verification is done to evaluate the performance variations of the U-bent plasmonic silver coated sensor surfaces with different coating orientations inside the vacuum coating chamber. The performances of uncoated, partially coated as well as fully coated optical fiber U-bent surfaces are analyzed. The results show that the coating configuration of the U-bent surfaces can affect the sensing property. A fully silver coated sensor region outperforms the other two types of sensor surfaces with better sensing capability.
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This work has been supported by the University Research Fellowship of Cochin University of Science and Technology (CUSAT), Cochin, India.
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Priyamvada, V.C., Ajina, C. & Radhakrishnan, P. Coating configuration dependency of fiber optic silver coated U-bent plasmonic sensor surfaces in concentration sensing measurements. Optoelectron. Lett. 14, 465–469 (2018). https://doi.org/10.1007/s11801-018-8075-0
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DOI: https://doi.org/10.1007/s11801-018-8075-0