A method for recording holograms using digital cameras with high spatial resolution is considered. To register holograms obtained in optical setups with an inclined reference beam, a high resolution of registration systems is required. To do this, it is necessary to use media with a resolution of 2000-4000 lines per mm. The use of photographic plates requires a fairly long exposure and development time, which is usually done separately from the optical setup. In the case of holographic interferometry systems, it is necessary to provide for mounting the hologram back into the optical setup with sufficiently high accuracy. Therefore, digital holography methods have been developed to record holograms on photomatrices with limited resolution. These methods are based on the use of optical schemes at small angles (less than 5 degrees) between interfering beams. Recently, sensors with a single element size of 1.33 µm and 0.56 µm have appeared. This resolution makes it possible to return to registration schemes with angles between interfering beams of 30-60 degrees. This allows us to hope for the revival of holographic methods and methods of holographic interferometry at the modern level without the use of intermediate recording media.

Keywords: holography, holographic interferometry, photomatrices with high spatial resolution, holography with an inclined reference beam, digital holography, Fourier transform

The assessment of the quality of the production of works on the construction of the upper layers of the road cover by the destructive and non-destructive method is considered, both methods are compared by searching for the main advantages and disadvantages. The order and the scheme of the production of each of the estimates are described.

Keywords: motor roads, quality assessment, road facilities, gamma density meters, electromagnetic (dielectric) densitometers, radioisotope densitometers, densitometer

In this paper, the task of achieving the optimal bandwidth telecommunication channels. Focuses on technical aspects of managing bandwidth channels using virtual organization switched channels. Formally defined parameters affecting the guaranteed delivery service. A model and management solution parameters guaranteed delivery of information in the communication channels, based on the methods of the theory of stochastic processes theory and risk analysis.
Keywords: reliability of telecommunication systems, telecommunication systems modeling, stochastic processes, optimal risk management.

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