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Highly sensitive fiber-optic accelerometer based on an offset tilted fiber Bragg grating

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Abstract

Highly sensitive fiber-optic refractometer based on cladding-to-core recoupling is proposed by using a weakly tilted fiber Bragg grating combined with a lateral-misaligned splice structure. Reflection spectrum with two well-defined bands performs a linear response for acceleration measurement, combining with temperature immunity and power self-calibration property.

© 2009 OSA, IEEE Photonics Society, SPIE, COS, CIC

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