Magnesium ion sensor based on single mode-multimode-single with multi-walled carbon nanotubes

N. H. Rinda, H. Agus Muhamad, Ninik Irawati, Moh Yasin, K. Miratul

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A Single-mode multimode single-mode (SMS) fiber structure coated with MWCNTs is proposed and demonstrated for the detection of magnesium ion. The SMS fiber has a length of 30 mm multimode fiber and was fabricated by connecting two optical fiber single-mode and multimode fiber. As the magnesium concentration increases from 0% to 5%, the output power of the SMS fiber structure decreases linearly with sensitivity and resolution of 3.0261 dBm/% and 0.0379 % respectively, for the SMS fiber structure coating with MWCNTs. MWCNTs as magnesium ion sensors will change the refractive index of fiber as the magnesium ion concentration changes due to the optical properties of adsorption. Hence, the SMS fiber structure coating with MWCNTs is more sensitive than the one without coating for magnesium concentration detection.

Original languageEnglish
Title of host publicationThird International Seminar on Photonics, Optics, and Its Applications, ISPhOA 2018
EditorsAulia Nasution, Agus Muhammad Hatta
PublisherSPIE
ISBN (Electronic)9781510627543
DOIs
Publication statusPublished - 2019
Event3rd International Seminar on Photonics, Optics, and Its Applications, ISPhOA 2018 - Surabaya, Indonesia
Duration: 1 Aug 20182 Aug 2018

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume11044
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference3rd International Seminar on Photonics, Optics, and Its Applications, ISPhOA 2018
Country/TerritoryIndonesia
CitySurabaya
Period1/08/182/08/18

Keywords

  • Magnesium sensor
  • Optical sensor
  • Refractive index
  • SMS fiber
  • Singlemode multimode singlemode

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