МАТЕРИАЛЫ И ПОКРЫТИЯ
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Прогноз роста производства GaAs-кристаллов для оптоэлектроники: VCSEL, LED, FPA
ОПТИЧЕСКИЕ УСТРОЙСТВА И СИСТЕМЫ
ДВОЙНОЙ УСПЕХ В ДВОЙНОМ ИК-ДИАПАЗОНЕ
Дифракционные элементы для оптики тепловизоров
ОПТИКО-ЭЛЕКТРОННЫЕ СИСТЕМЫ И КОМПЛЕКСЫ
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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 #2/2020
Opto-electronic systems and complexes
M. E. Grushin, Yu. Yu. Kolbas, A. A. Medvedev
A METHOD OF REDUCING THE VIBRATIONAL ERROR OF A ZEEMAN LASER GYRO FILLED WITH A 50% MIXTURE OF NEON ISOTOPES
DOI: 10.22184/1993-7296.FRos.2020.14.2.150.157

In this paper the results of theoretical and experimental studies of the optical path control system of Zeeman laser gyro (ZLG) filled with a 50% mixture of Ne20 and Ne22 isotopes are presented. Unlike one-isotope ZLG, the beat frequency dependences on the optical path length turns out asymmetric form, which leads to a change in the character of the dynamic drifts of zero and errors of two-isotope ZLG under mechanical shocks and vibrations. The authors proposed a method for adjusting the ZLG perimeter to the point of the minimum amplitude of the dithering which eliminates the static detuning of the perimeter. Experimental results and estimated dynamic drifts of zero and vibration errors of two-isotope ZLG of type K-5 are presented.
Optical Devices & Systems
G. I. Greysukh, V. A. Danilov, E. G. Ezhov, A. I. Antonov, B. A. Usievich
DIFFRACTION ELEMENTS IN OPTICAL SYSTEMS OF MIDDLE AND DOUBLE IR RANGE
DOI: 10.22184/1993-7296.FRos.2020.14.2.160.169

It is shown that placing a diffraction microstructure on the flat surface of one of the refractive lenses of a high-aperture triplet can simultaneously satisfy the correction conditions for both chromatic and monochromatic aberrations and obtain lenses designed for the middle and double infrared ranges having sufficiently high optical characteristics.
D. V. Prokopova, S. P. Kotova
PHASE DIFFRACTION OPTICAL ELEMENTS WITH ENHANCED EFFICIENCY FOR NANOSCOPY
DOI: 10.22184/1993-7296.FRos.2020.14.2.170.182

This paper summarizes the studies on creation of the special phase diffraction elements. These
elements can be used for forming the light fields with two maxima in the intensity distribution and with the ability to rotate during focusing and propagation. The diffraction optical elements are based on the optics of spiral light beams and can be used to modify the point spread function of an optical fluorescence microscope to create a nanoscope, i.e. a device that allows the three-dimensional localization of emitting objects with nanometer accuracy.
Biophotonics
Yu. N. Kulchin, D. O. Goltsova, E. P. Subbotin
REGULATING EFFECT OF LIGHT ON PLANTS
DOI: 10.22184/1993-7296.FRos.2020.14.2.192.210

The article deals with the issues of light regulation of the plant genetic system and light control of morphogenesis. The idea of the mechanisms of light signal translation in the cell is given. The relationship between photoreceptor proteins and endogenous programs of plant development
is shown. The role of pigment proteins and phytohormones in the regulation of plant
ontogenesis is characterized. Experimental results demonstrating light control of plant
morphogenesis are presented.
Optoelectronic devices
K. F. Latypov, M. Yu. Dolomatov
ESTIMATION OF THE BANDGAP WIDTH OF ORGANIC SEMICONDUCTORS PHOTOCONDUCTIVITY BY INTEGRAL PARAMETERS OF AUTOCORRELATIONAL FUNCTIONS
DOI: 10.22184/1993-7296.FRos.2020.14.2.184.191

As a result of experiments with spectra of organic semiconductors molecules, a new physical effect was found. It connects the bandgap width of photoconductivity and the integral autocorrelational characteristics of absorption spectra in the visible and UV‑range. An integral parameter of autocorrelational function (IACF) was taken as a phenomenological characteristics.
The parameter reflects a correlation of electronic states under molecules excitations. The regularity found can be explained by the dependence of bandgap width on electronic states that govern electron transfusions from the valence to the conduction band. Since the autocorrelational function of spectra reflects interconnection between resonant electronic states which create optical spectra; then, the IACF, on the one hand, reflects correlational interactions of electron, on the other hand, electron states energy. That is why we can speak about correlation between the mentioned parameter with the bandgap width that is connected to relevant activation energy of photoconductivity. The discovered regularities are confirmed by
investigations in organic semiconductors rows on the base of anthraquinones and oxypyrenes. The regularities allow to evaluate the bandgap width of photoconductivity of organic semiconductors on the base of anthraquinones and oxypyrenes by the IPAF of optical absorption spectra in the visible and UV ranges with the consistent accuracy for practical applications ±(0,01–0,02) eV. The results of research can be applied in molecular
electronics, photonics, nano and microelectronics, in construction of quantum generators on organic semiconductors base as well.
Materials & Coatings
N. A. Kulchitsky, A. V. Naumov, V. V. Startsev
PHOTONIC IS A NEW DRIVER OF GALLIUM ARSENIDE MARKET
DOI: 10.22184/1993-7296.FRos.2020.14.2.138.149

It is shown that placing a diffraction microstructure on the flat surface of one of the refractive lenses of a high-aperture triplet can simultaneously satisfy the correction conditions for both chromatic and monochromatic aberrations and obtain lenses designed for the middle and double infrared ranges having sufficiently high optical characteristics.
Разработка: студия Green Art