Performance of elastic beam fiber Bragg grating accelerometers

M. D. Todd

doi:10.1117/12.2302087

1 September 1999 Performance of elastic beam fiber Bragg grating accelerometers

M. D. Todd

Proceedings Volume 3746, 13th International Conference on Optical Fiber Sensors; 37462P (1999) https://doi.org/10.1117/12.2302087
Event: 13th International Conference on Optical Fiber Sensors, 1999, Kyongju, Korea, Republic of

Abstract

The design and performance characteristics of a series of structural-grade fiber Bragg grating based flexural beam accelerometers is reported. A concentrated mass added to the transducer allows for tailoring of the sensor's performance for specific applications. The sensors reported have sensitivities in the range 2-12.5 με/g, high resonant frequencies (>300 Hz), very low cross-axis sensitivity (∼40 dB below the main axis response), and low noise (∼1 mg/√Hz near 1 Hz). An array of these accelerometers was used in monitoring ship sub-structure motion, and selected results are presented.

Citation Download Citation

M. D. Todd "Performance of elastic beam fiber Bragg grating accelerometers", Proc. SPIE 3746, 13th International Conference on Optical Fiber Sensors, 37462P (1 September 1999); https://doi.org/10.1117/12.2302087

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