ИССЛЕДОВАНИЯ БИОЛОГИЧЕСКИХ ОБЪЕКТОВ
INTERACTION OF IR-LASER RADIATION WITH BIOLOGICAL TISSUES.
LASER DIAGNOSTICS OF DISEASES
Viktor A. Serebryakov
7
Several problems of laser radiation interaction with biological tissues are considered. Perspective applications of diagnostic lasers are discussed: gas analyzers on the base of tunable laser diodes in the middle IR, coherent high-resolution tomography on the base of wide-band light sources, and terahertz tomography.
MATHEMATICAL MODELING OF HUMAN CORNEA STRESS
Konstantin Kyznetsov, Nagibin Yuri T., Trofimov Vladimir A.
15
Information on stressedly-deformed state of human eye is considered as a mean for ophthalmological diseases diagnostics. A mathematical model of eye stress is proposed. Results of modeling of inteferometric pattern for polarized light are presented.
MEASURING SYSTEM FOR INVESTIGATION OF OSCILLATION PROCESSES IN HUMAN
ORGANISM
Voronin Aleksei A, Ivan A. Dmitriev, Larisa А. Rybina
18
A complex of instruments for simultaneous analysis of respiration and cardiac activity in human body is described. The complex consists of respiration characteristics measuring instrument and analyzer of cardiac rhythms “Expert - 01” combined in an integrated system. Results of investigation of interaction of respiratory and cardio-vascular systems are presented.
FIBER OPTIC ILLUMINATOR FOR WATER DISINFECTION SYSTEM
Никущенко Е. М.
22
Employment of fiber optic illuminator with frustrated total internal reflection in water disinfection devices is considered. Results of experimental modeling of illuminator in the form of multimode fiber coil are presented. Problems of practical realization of fiber optic illuminator are discussed.
ТЕОРИЯ И ПРАКТИКА ИЗМЕРЕНИЙ
NOISE-IMMUNE OPTO-ELECTRONIC INSTRUMENT FOR MEASUREMENT OF LENGTHY
OBJECT VELOCITY
Vasiliy Artemiev, Nikolay P. Belov, Andrey V. Smirnov, Yaskov Andrey D.
27
An original approach is proposed to realization of invariant opto-electronic instrument for measurement of velocity of lengthy object movement. Distinctive feature of the approach consists in application of dual-channel outline of image analysis with the use of cross-channel links to compensate for errors caused by optical nonhomogeneity of the object surface.
MEASUREMENT OF LOCAL SLOPES OF DIFFUSELY REFLECTING OBJECTS WITH THE
USE OF HOLOGRAPHIC INTERFEROMETRY
Igor R. Kotov, Майорова О. В., Prokopenko Victor T.
32
Development of holographic methods and instruments for control over stressedly-deformed state of diffusely reflecting object adapted to employment in automated measuring systems is discussed. A concept design is proposed of a system for measuring local slopes of the object surface with optical processing of double-exposed holographic interferograms.
ИССЛЕДОВАНИЯ ТЕПЛОВЫХ ХАРАКТЕРИСТИК ПРИБОРОВ И МАТЕРИАЛОВ
STUDY OF OPERATION CONDITIONS OF LASER PUMP LAMP AT DIFFERENT COOLING
TECHNIQUES
Vladimir A. Korablev, Nagibin Yuri T., Alexander V. Sharkov
35
An experimental setup for pulsed laser pump lamp testing is described. Results are presented of experimental study of cooling conditions effects on generation spectrum and heat emission power of pump lamp.
МОДЕЛИРОВАНИЕ ТЕПЛОВЫХ РЕЖИМОВ
ЭЛЕКТРОННЫХ СИСТЕМ С ЕСТЕСТВЕННОЙ ВЕНТИЛЯЦИЕЙ
Yury Z. Bubnov, Gavriil Biryulin, Vladimir I. Egorov , Sergey V. Posternakov
38
Представлены результаты моделирования тепловых и гидродинамических полей в радиоэлектронном аппарате кассетного типа. Сопоставлены результаты расчетов с использованием программы, разработанной на основе метода конечных элементов, и расчетов по программе, реализующей метод поэтапного моделирования.
MODELING OF THERMAL REGIMES OF ELECTRONIC SYSTEMS WITH NATURAL
VENTILATION
Daniil A. Danilov, Vladimir I. Egorov , Svetlana V. Fadeeva, Alexander V. Sharkov
41
Computer simulation of thermal and hydrodynamic fields in electronic cassette-type apparatus is performed. Results of calculations on the base of finite elements method are compared with step-by-step modeling.
EXPERIMENTAL STUDY OF DYNAMICS OF HEAT EXCHANGE THROUGH ENCLOSURE
Konstantin S. Kostenko, Dmitry S. Petrov
45
Peculiarities in heat exchange through enclosure in static and dynamic regimes are considered. Temperature oscillation inside and outside a construction are measured experimentally. Analysis of correlation of the measuring data is carried out.
THERMAL CONDUCTIVITY OF FILLED POLYMERS
Volkov Dmitry P, Uspenskaya Mayya Valerievna
49
Thermal conductivity of polymer materials filled with glass microspheres is calculated. Increasing the filler concentration is shown to lead to a rise in the composite thermal conductivity. Calculated results are compared with experimental data.
ЛАЗЕРНОЕ ВОЗДЕЙСТВИЕ НА МАТЕРИАЛЫ
LASER TEXTURING OF MATERIAL SURFACE
Belikov Andrey V., Pushkareva Alexandra Evgenievna, Alexei Skripnik, Tatyana Strunina, Ksenia Shatilova
52
A method is proposed for laser texturing of solid material surface to enhance its adhesion to polymers. Laser texturing is shown to practically increase shearing force by a factor of three.
PECULIARITIES IN MELTING OF METAL UNDER EXPOSURE TO ULTRA SHORT LASER
PULSES
Yakovlev Yevgeniy Borisivich, Vera V. Svirina, Olga N. Sergaeva
57
The problem of metal melting under exposure to ultra short laser pulses is considered. A modified vacancional model of melting is proposed. Analysis of laser-induced melting on the base of the model explains such peculiarities of the process as constancy of metal surface temperature and energy flux toward the front of melting with zero gradient of temperature across the melted layer.
РАЗНОЕ
POLYMER WATER-ABSORBING HIGH-STRENGTH COMPOSITES
Соловьев В. С., Uspenskaya Mayya Valerievna, Nikolay V. Sirotinkin
63
Polymer acrylic composites filled with modified silica-alumina glass spheres are considered. Effect of the filler on macro-kinetics of gelation and deformation and strength characteristics of the composites is investigated.
THEORY OF ULTRASPEED SWITCHDOWN OF MOP-TRANSISTORS
Vyacheslav Togatov, Peter Gnatyuk, Dmitry Ternovsky
66
Regime of ultraspeed switchdown of high-voltage MOP-transistor with a switching time no greater than several nanoseconds is studied theoretically. A mathematical model and explanation of the ultraspeed process is proposed. The theoretical conclusions are confirmed by results of direct experiments.
