FIELD: physics.
SUBSTANCE: fiber-optic delay line comprises a series-connected optical input, the first input-output device, a multi-core optical fiber, the second input-output device and an optical output, wherein, at least, two cores of the multi-core optical fiber are serially connected by means of supplying single-core optical fibers.
EFFECT: shortening the length, mass and dimensions of the fiber by sequentially passing the signal through the various cores of the multi-core fiber.
3 cl, 5 dwg
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