Chapter
Apr 26, 2012
A Novel Micro Fiber Bragg Grating Displacement Sensor
Authors: M. Fernandez, G. B. Song [email protected], X. F. Zhao [email protected], L. Ren, and J. P. OuAuthor Affiliations
Publication: Earth & Space 2008: Engineering, Science, Construction, and Operations in Challenging Environments
Abstract
A novel micro fiber Bragg grating displacement sensor is proposed and studied in this paper. A type of micro-elastic spring was used as a displacement-wavelength conversion component. According to the sensor package design established, one micro FBG displacement sensor with outer diameter of 1.3mm was constructed. Tests were designed and conducted to study the displacement and temperature sensitivity of the sensor. Results show that there are good linear relationships between wavelength and displacement, as well as between wavelength and temperature. The displacement coefficient and temperature coefficient are 10.97pm/mm, and 21.38pm/ °C, respectively.
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Published In
Earth & Space 2008: Engineering, Science, Construction, and Operations in Challenging Environments
Pages: 1 - 8
Copyright
© 2008 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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Authors
Affiliations
M. Fernandez
University of Houston, Houston, TX 32310-6046
University of Houston, Houston, TX 32310-6046. E-mail: [email protected]
Dalian University of Technology, Dalian, 116085, China and Harbin Institute of Technology, Harbin, 150090, China. E-mail: [email protected]
L. Ren
Dalian University of Technology, Dalian, 116085, China and Harbin Institute of Technology, Harbin, 150090, China
J. P. Ou
Dalian University of Technology, Dalian, 116085, China and Harbin Institute of Technology, Harbin, 150090, China
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