Polyimide based fiber optic humidity sensor

被引:2
作者
Li, X [1 ]
Rinaldi, G [1 ]
Packirisamy, M [1 ]
Stiharu, I [1 ]
机构
[1] Concordia Univ, Dept Mech & Ind Engn, CONCAVE Res Ctr, Micromechatron Lab, Montreal, PQ H3G 1M8, Canada
来源
PHOTONICS NORTH: APPLICATIONS OF PHOTONIC TECHNOLOGY, PTS 1 AND 2: CLOSING THE GAP BETWEEN THEORY, DEVELOPMENT, AND APPLICATION | 2004年 / 5579卷
关键词
polyimide; humidity sensor; fiber optics; infrared spectrum; absorption;
D O I
10.1117/12.567500
中图分类号
TP7 [遥感技术];
学科分类号
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要
The control of environmental conditions, such as temperature, pressure, and humidity, are important in many applications ranging from bio-medical to space exploration. Proper humidity control is also important in the conservation of organic materials. Therefore an accurate and sensitive method to characterize the moisture content of the particular environment is of valuable importance. This paper proposes a humidity sensitive polyimide material as a fiber optic sensor for humidity measurements. The spectral analysis and the intensity of transmitted light through the polyimide sensor will represent the humidity measure. The paper also presents the absorption characteristics of the proposed humidity sensitive material. The experimental values on the spectral shift and light intensities are measured at different humidity conditions. This paper will also present the feasibility study for using the proposed fiber optic sensor for humidity measurements.
引用
收藏
页码:205 / 212
页数:8
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