TITLE

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

AUTHOR(S)
Bariáin, C.; Matías, I. R.; Matias, I.R.; Romeo, I.; Garrido, J.; Laguna, M.
PUB. DATE
October 2000
SOURCE
Applied Physics Letters;10/9/2000, Vol. 77 Issue 15
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
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. © 2000 American Institute of Physics.
ACCESSION #
4413471

 

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