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RESEARCH OF OPTIMIZATION OF LAMES OF THE LASER SENSOR OF VIBRATION TO COUNTER LASER INTELLIGENCE SYSTEMS

Valery Dudykevych, , Nazariy Dzianyi, Larysa Rakobovchuk, Petro Garanyuk

Abstract: One of the most vulnerable issues in the technical protection of information is the receipt of data, private or confidential, due to leakage through the optoelectronic channel, the main source of data is laser acoustic intelligence systems or laser microphones. There are active and passive methods of protection against laser acoustic reconnaissance systems (ACS). Active methods use various noisy or vibrating devices that pose a danger to human health. With passive protection, it is recommended to use either special corrugated windows or completely closed shutters, which create some inconvenience now. Detecting a working laser microphone is very difficult and in some cases technically impossible. For example, the removal of information using ACS occurs through glass building structures, usually windows. This article is devoted to the analysis of the principle of operation of laser systems of acoustic intelligence and passive methods of reading acoustic information. Triangulation laser sensors are designed for non-contact measurement and control of position, movement, size, surface profile, deformation, vibration, sorting, recognition of technological objects, measuring the level of liquids and bulk materials. Accordingly, they can be used to study the vibrational properties of glass and films applied to them. It is described the method of working with laser triangulation vibration sensors, which allows to study the deviations of glass from different manufacturers from sound vibrations, thereby investigating the anti-laser properties of existing glass, as well as different types of spraying and films. In addition, this method allows you to conduct and test deviations from sound vibrations for new types of glass, films and spraying, proving the results of spectral studies and their impact on the amplitude of vibration of the glass. The vibration sensor was adjusted and the software parameters were experimentally optimized to obtain the truest deviation values ​​required to work with sprayed samples for passive protection.
Keywords: optimized / vibration / laser sensors / working laser / passive methods / laser systems / passive protection / acoustic intelligence systems

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