Modified sagnac/mach–zehnder interferome
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Anatoli A. Chtcherbakov; Pieter L. Swart; Stephanus J. Spammer; Beatrys M. Lacqu
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Article
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1999
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John Wiley and Sons
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English
⚖ 135 KB
We propose an alternati¨e configuration for an interferometric distributed fiber optic sensor. The sensor uses a combination of Mach᎐Zehnder and Sagnac interferometers sharing the same fiber. The output of the Sagnac interferometer is a function of the product of the position where the disturbance w