A transducer that uses an intensity-modulated optical method to measure force is described in this paper. The method relies on the additional optical power loss induced by the compression of a fiber optic loop. The sensor is shown to exhibit long-term stability. Using a simple recalibration procedure, a repeatability of /spl plusmn/0.5% was obtained.
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Bakalidis et al. (1996) studied this question.
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