A novel fibre optic sensor system has been developed for linear location of acoustic emission (AE). The demonstration of linear location of acoustic emission was conducted using a pair of serial multiplexed fibre coupler-based acoustic emission sensors in conjunction with a single light source. The simulated AE source, via a pencil lead-break test, was located to within +/- 5 mm.
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Chen et al. (2006) studied this question.
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