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IEICE TRANSACTIONS on Electronics

Optical Fiber Humidity Sensor with a Fast Response Time Using the Ionic Self-Assembly Method

Francisco J. ARREGUI, Kristie L. COOPER, Yanjing LIU, Ignacio R. MATIAS, Richard O. CLAUS

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Summary :

An optical fiber humidity sensor was fabricated forming a nanometer-scale Fabry-Perot interferometer by using the Ionic Self-Assembly Monolayer (ISAM) method. The materials used were Poly R-478 and poly(diallyldimethyl ammonium chloride). Taking advantage of the precision that the ISAM method can achieve in controlling the length of the nano cavity, the length was fit to obtain a maximum variation of 8.7 dB of reflected optical power between 11.3% and 85% RH. The sensor exhibited a fast response time and was able to monitor the human breathing.

Publication
IEICE TRANSACTIONS on Electronics Vol.E83-C No.3 pp.360-365
Publication Date
2000/03/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on Optical Fiber Sensors)
Category
Chemical, Environmental, Biochemical and Medical Sensors

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