Hydrophobic alumina thin films formed by the electrostatic self-assembly monolayer process for the fabrication of optical fiber gas sensors

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6 Citations (Scopus)

Abstract

Aluminum oxide thin films were formed by the electrostatic self-assembled monolayer (ESAM) method on optical fibers for the fabrication of gas sensors. Negligible sensitivity with humidity was achieved after thermal curing a variation of 1.5 dB at 1550 nm was achieved with the presence of ethanol. The coatings are also sensitive to other organic compound, this apparent lack of selectivity can be overcome with wavelength ratiometric techniques because the spectral response to these gases is different for each gas and this open the possibility of the simultaneous detection of several compounds. This is the first time that the ESAM method have been applied for the deposition of alumina films on optical fibers.

Original languageEnglish
Title of host publication2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages443-446
Number of pages4
ISBN (Electronic)0780372891, 9780780372894
DOIs
Publication statusPublished - 2002
Externally publishedYes
Event15th Optical Fiber Sensors Conference Technical Digest, OFS 2002 - Portland, United States
Duration: 6 May 200210 May 2002

Publication series

Name2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002

Conference

Conference15th Optical Fiber Sensors Conference Technical Digest, OFS 2002
Country/TerritoryUnited States
CityPortland
Period6/05/0210/05/02

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