Method of information security monitoring of fiber optic link
Authors: Filippov M.V., Chichvarin N.V.
Published in issue: #8(32)/2014
DOI: 10.18698/2308-6033-2014-8-1327
Category: Information technology | Chapter: Information Security
The basis of this work is the results of research on the development of the method of detection and localization of the site of unauthorized access for the fiber-optic communication line. We studied functioning of the fiber-optic line in emergency conditions. On the basis of analytical review of methods of unauthorized access to the optical fiber we propose a developed method of detection and localization of the site of leakage radiation from the optical fiber. The method consists in applying a laser phase rangefinder as a device for monitoring the information security. It is shown that application of classical laser phase rangefinders allows to achieve localization accuracy up to several centimeters.
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