Optoelectronics Letters

, Volume 14, Issue 6, pp 465–469 | Cite as

Coating configuration dependency of fiber optic silver coated U-bent plasmonic sensor surfaces in concentration sensing measurements

  • V. C. PriyamvadaEmail author
  • C. Ajina
  • P. Radhakrishnan


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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Copyright information

© Tianjin University of Technology and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.International School of PhotonicsCochin University of Science and TechnologyCochinIndia

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