ПОРОГ ЧУВСТВИТЕЛЬНОСТИ ВСЕГДА ЗАВИСИТ ОТ ВЫСОТЫ ПОРОГА
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Урик Винсент Дж.-мл., МакКинни Джейсон Д., Вилльямс Кейт Дж.
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Книги, изданные при поддержке РФФИ
Content & Annotations of Issue #6/2021
Metrology & Metrological Equipment
A. B. Lyukhter, V. I. Krivorotov, K. V. Skvortsov
Two-Level Method for Assessing The Operational Reliability of a Laser Impact Active-Protection Modular Cabin (APMC)
DOI: 10.22184/1993-7296.FRos.2021.15.6.454.472

The results of a comprehensive assessment of the operational reliability of a laser impact active-­protection modular cabin (APMC) are presented. A two-level computational and experimental technique has been developed and practically implemented, which includes, at the first level, the determination of the «actuation» time of the laser radiation emergency shutdown system (LRESS) under the conditions of APMC with a continuous fiber laser generator operating with a maximum power of 6 kW. At the second level, the stress and structural state of the metal of the panels was assessed, as well as the bearing capacity of the APMC elements after repeated laser impact. The reliability and advantages of APMC in terms of equipping with LRESS protection means, excluding the possibility of laser radiation leaving the cabin, are shown.
Lasers & Laser Systems
G. I. Dolgikh, S. G. Dolgikh, V. V. Ovcharenko, V. A. Chupin, V. A. Shvets, S. V. Yakovenko
Features of The Use of Laser Deformographs of Classical and Pendulum Types
DOI: 10.22184/1993-7296.FRos.2021.15.6.474.483

The features of the application of laser strainmeters of the pendulum and classical types are considered on the example of recording hydroacoustic vibrations created on the shelf of the Sea of Japan by a low-frequency hydroacoustic emitter with a central frequency of 22 Hz. When analyzing the obtained experimental data, not only the ratios of the received amplitudes of seismic-­acoustic vibrations by these laser strainmeters are established, but also the approximate propagation velocities of these disturbances in the upper layer of the Earth’s crust are determined.
Opto-electronic systems and complexes
I. V. Znamensky, E. O. Zot’ev, S. Yu. Yudin
Comparative Analysis of Threshold Sensitivity of IR-Systems in Different Spectral Range
DOI: 10.22184/1993-7296.FRos.2021.15.6.484.500

The result of calculating the threshold illumination of an optoelectronic system (OES) in various infrared sub-ranges in the range of 0.9–5.3 µm is presented. A technique has been developed and the illumination of the entrance pupil of the OES from the signal of the monitoring object (OM) of a cylindrical shape illuminated by the Sun and due to the intrinsic radiation of the OM surface is calculated. A program for energy calculation has been developed and its interface has been presented.
A. V. Medvedev, A. V. Grinkevich, S. N. Knyazeva
Specific Features of Solar Blind UV-Range Devices
DOI: 10.22184/1993-7296.FRos.2021.15.6.502.524

This article reviews a specific variety of optico-­electronic devices operating in the spectral range from 0,25 to 0.3 µm, which is commonly referred to as Solar Blind Ultra Violet (SBUV) spectral range as the solar radiation of the said wavelengths does not virtually reach the earth surface. The devices of this category are operable even in the viewing conditions “against the sun”, which is not possible with any other system. Apart from special features of the SBUV devices, their designs for various areas of application are reviewed.
Optical Devices & Systems
P. S. Zavyalov, E. V. Vlasov, A. V. Soldatenko, M. A. Zavyalova, V. S. Bartosh
Development of Optical Schemes for Formation of a Comfortable Visual Simulation in The Field of Simulators Building
DOI: 10.22184/1993-7296.FRos.2021.15.6.526.539

The article discusses the basic principles, advantages and disadvantages of imaging devices for visual simulation. The requirements for the quality of the generated image when working with an observer have been established. Two options for constructing projection optical systems are presented that provide a sufficiently wide field of view for a stationary observer.
Разработка: студия Green Art