Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/97840
Title: Polyvinyl alcohol coated photonic crystal optical fiber sensor for humidity measurement
Authors: Wong, Wei Chang
Chan, Chi Chiu
Chen, Li Han
Li, Tao
Lee, Kok Xian
Leong, Kam Chew
Keywords: DRNTU::Engineering::Chemical engineering
Issue Date: 2012
Source: Wong, W. C., Chan, C. C., Chen, L. H., Li, T., Lee, K. X., & Leong, K. C. (2012). Polyvinyl alcohol coated photonic crystal optical fiber sensor for humidity measurement. Sensors and Actuators B: Chemical, 174, 563-569.
Series/Report no.: Sensors and actuators B: chemical
Abstract: A polyvinyl alcohol (PVA) coated photonic crystal optical fiber (PCF) sensor has been proposed as a relative humidity (RH) sensor. It was fabricated by collapsing the holes of PCF at both ends to form a Michelson interferometer with cladding mode excitation. PVA was dip coated onto the sensor and the interference shift was measured when the sensor was exposed to varying RH. The sensor with 9% (w/w) coating showed a high sensitivity of 0.60 nm/%RH, displayed little hysteresis, high repeatability, low cross-sensitivity to temperature and ammonia gas and stability over 7 days of testing. A rise/fall time of 300/500 ms was achieved respectively.
URI: https://hdl.handle.net/10356/97840
http://hdl.handle.net/10220/12104
ISSN: 0925-4005
DOI: 10.1016/j.snb.2012.07.032
Rights: © 2012 Elsevier B.V.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SCBE Journal Articles

SCOPUSTM   
Citations

92
checked on Sep 4, 2020

WEB OF SCIENCETM
Citations

93
checked on Sep 28, 2020

Page view(s)

319
checked on Sep 28, 2020

Google ScholarTM

Check

Altmetric


Plumx

Items in DR-NTU are protected by copyright, with all rights reserved, unless otherwise indicated.