Giant Displacement Sensitivity Using Push-Pull Method in Interferometry
نویسندگان
چکیده
We present a giant sensitivity displacement sensor combining the push-pull method and enhanced Vernier effect. The consists in two interferometers that are composed by cleaved standard optical fibers coupled 3 dB coupler combined with double-sided mirror. push pull-method is applied to mirror creating symmetrical change length of each interferometer. Furthermore, we demonstrate effect has maximum two-fold obtained single combination sensors allows 60 ± 1 nm/?m when compared interferometer working same free spectral range. In addition, exploring performance sensors, 254 6 achieved, presenting M-factor 1071 MVernier 1.9 corresponding resolution 79 pm. This new solution implementation giant-sensitive measurement for wide range applications.
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ژورنال
عنوان ژورنال: Photonics
سال: 2021
ISSN: ['2304-6732']
DOI: https://doi.org/10.3390/photonics8010023