Detection of volatile organic compound vapors by using a vapochromic material on a tapered optical fiber

  • C. Bariáin
  • , I. R. Matías*
  • , I. Romeo
  • , J. Garrido
  • , M. Laguna
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

75 Citations (Scopus)

Abstract

A low-cost optical fiber sensor to detect volatile organic compounds has been developed. Changes of up to 13.5 dB in the transmitted optical power have been detected with different concentrations of acetone and dichloromethane vapors. The device uses a standard single-mode fiber. The sensing mechanism relies on a vapor-induced refractive index change in a film of a vapochromic material deposited on the thinner region of a tapered fiber.

Original languageEnglish
Pages (from-to)2274-2276
Number of pages3
JournalApplied Physics Letters
Volume77
Issue number15
DOIs
Publication statusPublished - 9 Oct 2000
Externally publishedYes

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