FIELD: physics, optics.
SUBSTANCE: invention refers to fibre optics and can be used in engineering angular velocity vector measurers based on optic fibre gyroscopes with using single-mode optic fibres. An optical system comprises two beam-splitters 2×2 (a splitter has two inputs and two outputs) one splitter 1×2 (the splitter has one input and two outputs), three optical radiation circulators (the circulator has two inputs and one output) and three photoelectric receivers. A secondary optical radiation source is additionally provided.
EFFECT: higher reliability of the angular rate vector measurers.
3 cl, 9 dwg
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