Abstract

The effect of birefringence induced in a single-mode fiber by a lateral force has been applied to measure the absolute value of force or pressure with high resolution. A sensor configuration with an extended detecting surface has been investigated by means of calibrated weights. The sensor is sensitive to an incremental force of 2 × 10−3 N, independently of the length of the fiber. The maximum force applied was 10 N/m of fiber length.

© 1986 Optical Society of America

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