A Fiber-Optic Accelerometer Based on Extrinsic Fabry-Perot Interference for Low Frequency Micro-Vibration Measurement
نویسندگان
چکیده
A fiber-optic accelerometer based on extrinsic Fabry-Perot interferometer (EFPI) is reported. The sensor adopts flywheel diaphragm structure as a sensitive element, where the mass block bonded in center, while beam of acts spring. element forms single degree freedom spring-mass-damper system. parameters are designed finite simulation (FEM), and transfer function established by numerical simulation. experiments indicate that has wide detection frequency band with detectable ability for micro-vibration low 0.01 Hz, sensitivity 7.02 rad/g @20 reach an average 6.39 5–20 Hz. research shows good development prospect field detection.
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ژورنال
عنوان ژورنال: IEEE Photonics Journal
سال: 2022
ISSN: ['1943-0655', '1943-0647']
DOI: https://doi.org/10.1109/jphot.2022.3183438