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SIGNAL INTERCEPT FROM THE LATERAL SURFACE OF OPTICAL FIBER IN DATA TRANSMISSION SYSTEMS

V. V. Shubin
VANT. Ser.: Mat. Mod. Fiz. Proc 2023. Вып.4. С. 79-89.

The paper considers the methods of data intercept from the lateral surface of optical fiber: passive, active and compensation methods. It is shown that passive methods are used for multimode fibers only. Active and compensation methods are typical for long-distance communication cables with single-mode fibers to intercept a signal from the fiber core. The paper presents the analytical dependence for active radiation intercept methods and experimental and literary data for intrusive and non-intrusive methods. The general-purpose efficiency and security indexes are given for all intercept methods. The compensation radiation-intercept methods are considered for single-channel and multi-channel fiber-optic systems.

Keywords: lateral radiation; devices for radiation output, collection, and input; lateral surface of optical fiber; multimode gradient and single-mode optical fiber; passive, active, and compensation intercept methods.








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