Phase difference measurement of the target signals of sensing elements in the push-pull fiber optic interferometric acoustic and vibration sensors

PV Skliarov, AA Davidenko, YA Ogryzko… - 2019 IEEE …, 2019 - ieeexplore.ieee.org
In this paper we consider a fiber-optic interferometric push-pull sensor containing 4 spirals of
a single-mode optical fiber. Experimental determination of the phase difference of the target …