Browsing Т. 12, № 2 by Issue Date
Now showing items 1-9 of 9
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High Power Diode-Pumped Erbium Laser Emitting at Near 1.5 μm
(БНТУ, 2021)Solid-state lasers emitting in the 1.5–1.6 μm spectral range are very promising for eye-safe laser range finding, ophthalmology, fiber-optic communication systems, and optical location. The aim of this work is the investigation of spectrosposcopic and laser properties of gain medium based on borate crystal for abovementioned lasers. Spectroscopic and laser properties of ...2021-07-06 -
Influence of Geometry and Boundary Conditions in Area of Cohesion between Materials on the Reflection of an Ultrasonic Beam. Part 1. Theoretical Research
(БНТУ, 2021)The improvement of efficiency, reliability and productivity of ultrasonic testing of objects with cohesion between materials connected by welding, soldering, gluing, etc. is 'an important problem of the modern production technologies. The purpose of the paper is to determine in 3D space the conditions for increasing the sensitivity and reliability of the flaw detection in the ...2021-07-07 -
Структурные решения, обеспечивающие увеличение динамической точности волнового твердотельного гироскопа
(БНТУ, 2021)Разработка волновых твердотельных гироскопов (ВТГ) является одним из перспективных направлений развития гироскопических датчиков угловой скорости. ВТГ с позиций технологии изготовления, системы настройки и управления, а также точностных характеристик имеет ряд преимуществ по сравнению с другими видами гироскопов. При разработке ВТГ стремятся уменьшить собственный уход гироскопа, ...2021-07-08 -
Nonlinear Pulse-Time Conversion in Radioisotope Devices: Analysis and Application Possibilities
(БНТУ, 2021)The paper considers the operation of radioisotope measuring devices under dynamic conditions, when the Poisson pulse flux at the output of the radiation detector becomes unsteady and the nonlinearity of the calibration curve of the device, the stochasticity of the radiation signal and the inertia of the meter significantly complicate the task of estimating the measured physical ...2021-07-08 -
Deep Learning Automated System for Thermal Defectometry of Multilayer Materials
(БНТУ, 2021)Currently, along with growth in industrial production, the requirements for product quality testing are also increasing. In the tasks of defectoscopy and defectometry of multilayer materials, the use of thermal nondestructive testing method is promising. At the same time, interpretation of thermal testing data is complicated by a number of factors, which makes the use of traditional ...2021-07-07 -
Designing a Planar Fluxgate Using the PCB Technology
(БНТУ, 2021)The development of novel methods, scientific devices and means for measuring magnetic fields generated by ultra-low current is among promising directions in the development of medical equipment and instruments for geodetic surveys and space exploration. The present work is to develop a small sensor capable of detecting weak magnetic fields, which sources are biocurrents, radiation ...2021-07-07 -
Series of Photovoltaic Converters Based on Semiconductors with Intrinsic Photoconductivity
(БНТУ, 2021)One of the ways to solve multiple problems of optical diagnostics is to use photovoltaic converters based on semiconductors with intrinsic photoconductivity slightly doped with deep impurities which form several energy levels with different charge states within the semiconductor′s bandgap. Peculiarities of physical processes of recharging these levels make it possible to construct ...2021-07-07 -
Improving of Surface Quality of Metal Reflector Mirrors Machined by Single Point Diamond Turning
(БНТУ, 2021)Improving the technology of diamond turning of aluminum alloys is of great importance for expanding the application areas of metal-optical products based on aluminum in aerospace technology. The aim of this work was to study the effect of surface inhomogeneities of the initial aluminum alloy substrates on their optical and mechanical characteristics and to determine ways of ...2021-07-08 -
Измерение вероятности стирания двоичного символа «0» в однофотонном асинхронном канале связи с приёмником на основе счётчика фотонов
(БНТУ, 2021)При измерении маломощных оптических сигналов приёмные модули каналов однофотонной связи должны обеспечивать наименьшие потери передаваемой информации. В этой связи целесообразно использовать счётчики фотонов, которые являются высокочувствительными, однако характеризуются ошибками регистрации данных. Поэтому цель работы – исследовать влияние интенсивности регистрируемого оптического ...2021-07-08
