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LAN LI1, XINYONG DONG1,* , LIYANG SHAO1, CHUN-LIU ZHAO1, YILING SUN1
A novel fiber optic accelerometer is proposed and demonstrated. The sensing mechanism is based on the measurement of bandwidth and optical power of a strain-chirped fiber Bragg grating (FBG). Experimental results show that 3-dB bandwidth and reflected optical power of the strain-chirped FBG responds to acceleration sensitively. The achieved sensitivities are up to 0.4 nm/g and 4.57 μW/g respectively in the linear range. Furthermore, this sensor is very cost-effective and inherently insensitive to temperature due to the simple demodulation method.
Fiber Bragg grating (FBG), Accelerometer, Simply-supported beam, Temperature insensitive.
LAN LI, XINYONG DONG, LIYANG SHAO, CHUN-LIU ZHAO, YILING SUN, Temperature-independent acceleration measurement with a strain-chirped fiber Bragg grating, Optoelectronics and Advanced Materials - Rapid Communications, 4, 7, July 2010, pp.943-946 (2010).
Submitted at: May 11, 2010
Accepted at: July 14, 2010
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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