НЕЛЕГАЛЬНАЯ СВАРКА Почему нужно реформировать стандарты процессов обработки металлов с применением лазерного излучения
МЫ ПРИВЫКЛИ ИСКАТЬ ЧТО-ТО НОВОЕ Новый лазер для атмосферно-оптических задач
POWER-OVER-FIBER: КОМУ ЭТО НУЖНО? Технологии передачи мощности по оптическому волокну
OPTATEC-2018: ГЕРОИ ЗАВТРАШНЕГО ДНЯ Как не ошибиться с прогнозом и выбрать оптимальную кинематику движения

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Книги, изданные при поддержке РФФИ
Content & Annotations of Issue #4/2018
Technologies and Technology Equipment
A. G. Sukhov, S. M. Shanchurov, M. M. Malysh, L. B. Zhirnova
Standardization of technological processes relating to metal processing using laser radiation: current state, problems, tasks
Retardation of the domestic industry is caused by the slow introduction of laser technologies into industry. The reason lies in the lack of standards for the technological processes of welding, cutting, surfacing, heat treatment, marking, cleaning of the metallic surface, standards for terms and definitions related to the laser processing of materials. To remedy this situation, it was created a program for 2019—2023 to develop national standards for technological processes and terminology for laser processing of metals.
Conferences, exhibition & seminars
N. L. Istomina, L. V. Karyakina
Optimal kinematics of motion for the creation of precision optics
Undoubtedly, Germany is a leader in the production of precision optics, and the Optatec exhibition reflects the ideas and technical solutions in this field. Based on presented exposition Optatec‑2018 it is possible to understand the direction of modern technical thought, but it is impossible to build a forecast for the development of optical machine-tool technology. We try to justify such a statement.
Lasers & Laser Systems
V. P. Lopasov, I. V. Ivonin
Generation of a new-type laser radiation for solving knowledge-based applied problems. Part II
It is necessary to use laser radiation with a stable wavefront for communication, aerospace and atmos-pheric-optical devices. The turbulence of the atmosphere distorts the wavefront of radiation as it propagates, especially on large paths exceeding 1–5 km. The disadvantage of lasers built on electric dipole (ED) junctions lies in this. The laser channels of magnetomultipolar (MM) radiation on the MM electronic transition are relevant from the point of view of the stability of the wave front in the atmosphere. The physical basis of such a laser was described in the first part of the article. A spin-flip mode for generating laser MM radiation and its application area are described in the second part of the article.
Optical Devices & Systems
O. N. Shishkanov, A. P. Boychenko
Polychrome-electric visualization of photonics products based on optical glass
The technology of radiation defects visualization in crystals, through pores and microcracks in polymer materials has traditionally used photoplates. Based on the use of glass matrices in the form of microlenses formed in optical glass, new possibilities of electric field visualization of defects on X-ray photographic materials with subsequent conversion of monochrome images into polychrome images are demonstrated.
A. V. Startsev, Yu. Yu. Styolov
Interaction of a laser track with an edge in a soap film
The behavior of light during its propagation in the thickness of a viscous film is associated with the mechanisms of light pressure, nanomechanics and photonics. The laser track, interacting with the edge of the liquid film, exhibits unusual properties. The article discusses these issues on the basis of an analysis of the experimental results.
Optoelectronic Devices and Systems
I. A. Tsibizov, G. I. Kropotov
Pulsed terahertz spectrometer PTS‑1
Pulsed terahertz spectrometer ITS‑1 – a device for Terahertz Time-Domain Spectroscopy – is presented. The method of optical rectification of femtosecond pulses is implemented to generate THz radiation in ITS‑1. The average output power of the generated THz radiation is 300 µW, the conversion coefficient of the signal from the optical to the THz range is 10–4. The device has a sufficiently flexible optical scheme and multifunctional software. The article presents test results.
Fiber Optic Devices & Technoligies
E. Serdyuk, M. Pireilez, Chen-liang Wu, Mei-Huang Yan
Advantages of partial discharge detection using a hybrid solution involving the Power-over-fiber and fluorescent fiber sensors
Partial discharge occurring in electrical devices of high or medium voltage (distribution electrical cabinets, engines, converters and generators) has a negative impact on the performance of the equipment. To detect a partial discharge, it is proposed to use corresponding optical radiation, which can be detected with optical sensors. The design of a hybrid detection system based on a fluorescent fiber sensor and fiber power transmission technology (PoF) is discussed.
M. A. Simonov
Fiber-optical system for monitoring the technical condition of industrial facilities
The article introduces the products of the "FORC-Photonics", developed and manufactured in the company for nondestructive testing of complex technical facilities at hazardous industrial enterprises.
Biophotonics
O. V. Gradov, V. V. Krukowskikh, P. A. Nasirov, A. G. Jablokov
Multi-axis goniometric 3D-visualization of vector diagrams of optical characteristics of dispersed and biological structures on a chip using different laser scanning regimes and trajectories
The aim of this publication is to illustrate the results of the analysis and the volume rendering of the visual patterns of radiation patterns or optical indicatrix in the multi-axis geometries of the experiments at different scanning trajectories and speed regimes. Such methods may be implemented on the "Quaternion"-type setups for lens-free imaging of biological structures with angular resolution.
Разработка: студия Green Art