Multiplexed optical fibre strain sensing by cross-correlation of subcarrier interferometric spectra
A novel technique for evaluating strain in multiple long-length sections of optical fibre is described. Sections defined by reflective markers are interrogated with subcarrier interferometry. Path-length changes are monitored using cross-correlation. A resolution of 35µm has been obtained over 5m se...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
1996.
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| Subjects: | |
| Online Access: | Get fulltext |