DOI: 10.22184/1993-7296.FRos.2022.16.7.552.563

We have considered the influence of bending birefringence occurred in the spun fiber of a fiber-­optic current sensor based on the Faraday effect, on the efficiency of excess noise suppression. It is shown that when the radius of spun fiber winding is small, the secondary waves arise in the fiber. Such waves eventually distort the radiated spectrum at the sensor output and therefore cause a decrease in the noise suppression efficiency. The proposed theoretical model of this effect is confirmed experimentally for the spun fiber winding radius of 5 mm.


Разработка: студия Green Art