Improved time response for polymer fibre Bragg grating based humidity sensors

W. Zhang; D.J. Webb; G.-D. Peng

doi:10.1117/12.885936

Improved time response for polymer fibre Bragg grating based humidity sensors

W. Zhang
, D.J. Webb
, G.-D. Peng

Aston University

University of New South Wales, Australia

Research output: Chapter in Book/Published conference output › Conference publication

6 Citations (Scopus)

135 Downloads (Pure)

Abstract

In this work we experimentally investigate the response time of humidity sensors based on polymer optical fibre (POF) Bragg gratings. By the use of etching with acetone we can control the diameter of POF based on poly (methyl methacrylate) 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 11 minutes has been achieved by using a POF FBG with a reduced diameter of 135 microns.

Original language	English
Title of host publication	SPIE proceedings
Place of Publication	Bellingham, WA (US)
Publisher	Society of Photo-Optical Instrumentation Engineers (SPIE)
Number of pages	4
ISBN (Print)	978-0-8194-8246-4
DOIs	https://doi.org/10.1117/12.885936
Publication status	Published - 17 May 2011
Event	21st International Conference on Optical Fiber Sensors - Ottawa, ON, Canada Duration: 15 May 2011 → 19 May 2011 http://www.ofs21.org/

Publication series

Name	SPIE Proceedings
Publisher	SPIE
Volume	77533
ISSN (Print)	0277-786X
ISSN (Electronic)	2410-9045

Conference

Conference	21st International Conference on Optical Fiber Sensors
Abbreviated title	OFS21
Country/Territory	Canada
City	Ottawa, ON
Period	15/05/11 → 19/05/11
Internet address	http://www.ofs21.org/

Bibliographical note

W. Zhang, D. J. Webb and G.-D. Peng, "Improved time response for polymer fibre Bragg grating based humidity sensors", Proc. SPIE 7753, 77533M (2011). 21st International Conference on Optical Fiber Sensors (OFS21), 15-19 May 2011, Ottawa (CA).

Copyright 2011 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

DOI: http://dx.doi.org/10.1117/12.885936

Keywords

response time
humidity sensors
polymer optical fibre
POF
Bragg gratings
etching
acetone
poly (methyl methacrylate)
diffusion time
wavelength change
humidity variations

Access to Document

10.1117/12.885936

Time response for polymer fibre Bragg grating based humidity sensors
W. Zhang, D. J. Webb and G.-D. Peng, "Improved time response for polymer fibre Bragg grating based humidity sensors", Proc. SPIE 7753, 77533M (2011). 21st International Conference on Optical Fiber Sensors (OFS21), 15-19 May 2011, Ottawa (CA). Copyright 2011 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. DOI: http://dx.doi.org/10.1117/12.885936
Final published version, 246 KB

http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=753084

Cite this

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title = "Improved time response for polymer fibre Bragg grating based humidity sensors",

abstract = "In this work we experimentally investigate the response time of humidity sensors based on polymer optical fibre (POF) Bragg gratings. By the use of etching with acetone we can control the diameter of POF based on poly (methyl methacrylate) 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 11 minutes has been achieved by using a POF FBG with a reduced diameter of 135 microns.",

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Zhang, W, Webb, DJ & Peng, G-D 2011, Improved time response for polymer fibre Bragg grating based humidity sensors. in SPIE proceedings., 77533M, SPIE Proceedings, vol. 77533, Society of Photo-Optical Instrumentation Engineers (SPIE), Bellingham, WA (US), 21st International Conference on Optical Fiber Sensors, Ottawa, ON, Canada, 15/05/11. https://doi.org/10.1117/12.885936

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N2 - In this work we experimentally investigate the response time of humidity sensors based on polymer optical fibre (POF) Bragg gratings. By the use of etching with acetone we can control the diameter of POF based on poly (methyl methacrylate) 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 11 minutes has been achieved by using a POF FBG with a reduced diameter of 135 microns.

AB - In this work we experimentally investigate the response time of humidity sensors based on polymer optical fibre (POF) Bragg gratings. By the use of etching with acetone we can control the diameter of POF based on poly (methyl methacrylate) 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 11 minutes has been achieved by using a POF FBG with a reduced diameter of 135 microns.

KW - response time

KW - humidity sensors

KW - polymer optical fibre

KW - POF

KW - Bragg gratings

KW - etching

KW - acetone

KW - poly (methyl methacrylate)

KW - diffusion time

KW - wavelength change

KW - humidity variations

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BT - SPIE proceedings

PB - Society of Photo-Optical Instrumentation Engineers (SPIE)

CY - Bellingham, WA (US)

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Y2 - 15 May 2011 through 19 May 2011

ER -

Improved time response for polymer fibre Bragg grating based humidity sensors

Abstract

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Bibliographical note

Keywords

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