Remote Sensing of Near Neutral pH Levels

Masoud Ghandehari, Cristian S. Vimer

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Fiber optic pH sensors, based on evanescent-wave spectroscopy, are demonstrated for short length distributed chemical sensing in civil infrastructure applications. The fiber sensor was made by removing portions of the poly (-methyl methacrylate) (PMMA) cladding of a plastic clad silica (PCS) optical fiber. The cladding was subsequently replaced with a thin film of PMMA doped with a pH sensitive dye (Methyl Red, Thymolphtalein, Thymol Blue). The change in the pH of the analyte is detected by sending light through the fiber while measuring the absorption spectrum of the embedded sensor molecule.

Original languageEnglish (US)
Title of host publicationSmart Sensors, Measurement and Instrumentation
PublisherSpringer International Publishing
Pages51-61
Number of pages11
DOIs
StatePublished - Jan 1 2018

Publication series

NameSmart Sensors, Measurement and Instrumentation
Volume28
ISSN (Print)2194-8402
ISSN (Electronic)2194-8410

Fingerprint

Polymethyl methacrylates
remote sensing
Remote sensing
pH sensors
polymethyl methacrylate
Fibers
sensors
Sensors
Fiber optic sensors
thymol
Optical fibers
Absorption spectra
fibers
Dyes
evanescent waves
Silica
Spectroscopy
Plastics
Thin films
Molecules

ASJC Scopus subject areas

  • Computer Science (miscellaneous)
  • Instrumentation
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

Ghandehari, M., & Vimer, C. S. (2018). Remote Sensing of Near Neutral pH Levels. In Smart Sensors, Measurement and Instrumentation (pp. 51-61). (Smart Sensors, Measurement and Instrumentation; Vol. 28). Springer International Publishing. https://doi.org/10.1007/978-3-319-70715-0_5

Remote Sensing of Near Neutral pH Levels. / Ghandehari, Masoud; Vimer, Cristian S.

Smart Sensors, Measurement and Instrumentation. Springer International Publishing, 2018. p. 51-61 (Smart Sensors, Measurement and Instrumentation; Vol. 28).

Research output: Chapter in Book/Report/Conference proceedingChapter

Ghandehari, M & Vimer, CS 2018, Remote Sensing of Near Neutral pH Levels. in Smart Sensors, Measurement and Instrumentation. Smart Sensors, Measurement and Instrumentation, vol. 28, Springer International Publishing, pp. 51-61. https://doi.org/10.1007/978-3-319-70715-0_5
Ghandehari M, Vimer CS. Remote Sensing of Near Neutral pH Levels. In Smart Sensors, Measurement and Instrumentation. Springer International Publishing. 2018. p. 51-61. (Smart Sensors, Measurement and Instrumentation). https://doi.org/10.1007/978-3-319-70715-0_5
Ghandehari, Masoud ; Vimer, Cristian S. / Remote Sensing of Near Neutral pH Levels. Smart Sensors, Measurement and Instrumentation. Springer International Publishing, 2018. pp. 51-61 (Smart Sensors, Measurement and Instrumentation).
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