Biaxial fiber optic accelerometers

Crispin T. M. Doyle; Gerard Franklyn Fernando

doi:10.1117/12.388129

12 June 2000 Biaxial fiber optic accelerometers

Crispin T. M. Doyle, Gerard Franklyn Fernando

Proceedings Volume 3986, Smart Structures and Materials 2000: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials; (2000) https://doi.org/10.1117/12.388129
Event: SPIE's 7th Annual International Symposium on Smart Structures and Materials, 2000, Newport Beach, CA, United States

Abstract

We present three types of intensity-based fiber-optic accelerometer with two axes of sensitivity. Transmission and reflection, or single-ended sensor configurations are compared and bare fibers or a machined brass element are used a seismic masses. The devices are shown to be capable of measuring accelerations at relatively low frequencies (below 1 kHz). Linear responses to acceleration were observed up to the limit of the testing apparatus and the crosstalk between vibration directions was always -12 dB or less.

Citation Download Citation

Crispin T. M. Doyle and Gerard Franklyn Fernando "Biaxial fiber optic accelerometers", Proc. SPIE 3986, Smart Structures and Materials 2000: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (12 June 2000); https://doi.org/10.1117/12.388129

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