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Humidity sensing using plastic optical fibers
Author(s) -
Tay C. M.,
Tan K. M.,
Tjin S. C.,
Chan C. C.,
Rahardjo H.
Publication year - 2004
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.20479
Subject(s) - materials science , humidity , relative humidity , bend radius , optical fiber , microwave , core (optical fiber) , composite material , bending , optoelectronics , optics , telecommunications , engineering , meteorology , physics
Abstract The use of plastic optical fibers (POFs), curved at the sensing point and coated with cobalt chloride (CoCl 2 ) and gelatin as the overlay material, for relative humidity sensing is demonstrated in this paper. The fiber‐core diameter and bending radius of the sensing point affects the sensitivity of the sensor to a great extent. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 43: 387–390, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20479