Abstract
An information leakage channel created on the basis of fiber bending when transmitting information over an optical fiber is studied. An increase in the bending diameter of an optical fiber is shown to lead to a decrease in the power of optical radiation proceeding from it. In a bending diameter range from 5 to 20 mm, the highest radiation power was observed for the optical fiber G.655, while the lowest corresponding figure was recorded for G.657. The information leakage channel bandwidth with changed bending diameter is determined for different types of optical fiber. The bandwidth of the information leakage channel is shown to depend on the location of the photodetector used to register optical radiation taken from the bend of the optical fiber.
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