期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 121, 期 2, 页码 706-708出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2006.03.049
关键词
fiber-top sensors; chemical sensors; hydrogen sensors; MicroElectroMechanical Systems
We report on the realization of a chemical sensor based on fiber-top design. The device was obtained by carving a cantilever out of the cleaved edge of an optical fiber. The cantilever was coated with a thin palladium layer and alternatively exposed to hydrogen enriched gaseous mixtures and hydrogen free atmosphere. The sensor was capable to unambiguously distinguish hydrogen absorption and desorption throughout several cycles. Our experiment demonstrates that fiber-top chemical sensors might represent an interesting alternative to commonly used detectors. (c) 2006 Elsevier B.V. All rights reserved.
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