Investigation into time response of polymer fiber Bragg grating based humidity sensors

Wei Zhang, David J. Webb, Gang-Ding Peng

Research output: Contribution to journalArticle

Abstract

In this work we experimentally investigate the response time of humidity sensors based on polymer optical fiber Bragg gratings. By the use of etching with acetone we can control the poly (methyl methacrylate) based fiber in order to reduce the diffusion time of water into the polymer and hence speed up the relative wavelength change caused by humidity variations. A much improved response time of 12 minutes for humidity decrease and 7 minutes for humidity increase, has been achieved by using a polymer optical fiber Bragg grating with a reduced diameter of 135 microns.
Original languageEnglish
Article number6030899
Pages (from-to)1090-1096
Number of pages7
JournalJournal of Lightwave Technology
Volume30
Issue number8
DOIs
Publication statusPublished - 15 Apr 2012

Fingerprint

time response
Bragg gratings
humidity
fibers
sensors
polymers
optical fibers
polymethyl methacrylate
acetone
etching
wavelengths
water

Bibliographical note

© 2012 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Keywords

  • optical polymers
  • optical fiber devices
  • fiber Bragg grating
  • humidity measurement

Cite this

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Investigation into time response of polymer fiber Bragg grating based humidity sensors. / Zhang, Wei; Webb, David J.; Peng, Gang-Ding.

In: Journal of Lightwave Technology, Vol. 30, No. 8, 6030899, 15.04.2012, p. 1090-1096.

Research output: Contribution to journalArticle

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