Temperature-independent fiber Bragg grating tilt sensor

We report a vertical-pendulum-based fiber Bragg grating tilt sensor, which can detect the magnitude as well as the direction of the inclination from the horizontal direction. The sensor is insensitive to temperature, and preliminary results show that tilt angle accuracy and resolution of better than...

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Bibliographic Details
Published in:IEEE photonics technology letters 2004-01, Vol.16 (1), p.224-226
Main Authors: Guan, B.-O., Tam, H.-Y., Liu, S.-Y.
Format: Article
Language:English
Subjects:
Arm
Bragg gratings
Camber
Capacitive sensors
Equations
Fiber gratings
Fibers
Horizontal
Inclination
Optical fiber sensors
Optical fibers
Optical reflection
Photonics
Sensors
Temperature sensors
Tilt
Wavelength measurement
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Summary:We report a vertical-pendulum-based fiber Bragg grating tilt sensor, which can detect the magnitude as well as the direction of the inclination from the horizontal direction. The sensor is insensitive to temperature, and preliminary results show that tilt angle accuracy and resolution of better than 0.1/spl deg/ and 0.007/spl deg/ can be easily achieved.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2003.820101