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Efficiency of Resonance and Cascade Schemes of Fluorescence Excitation in Atoms in Mesosphere for Laser Guide Star Creation. Part II. Iron Atoms
Efficiency of Resonance and Cascade Schemes of Fluorescence Excitation in Atoms in Mesosphere for Laser Guide Star Creation. Part II. Iron Atoms
A laser guide star (LGS) is an essential part of the adaptive optics system of a ground-based optical telescope. The main ...
The Relation of Density and Temperature Fluctuations to the Kinetic Energy of Turbulence in the Atmospheric Boundary Layer
The Relation of Density and Temperature Fluctuations to the Kinetic Energy of Turbulence in the Atmospheric Boundary Layer
It is shown that the development of the turbulence theory should aim at studying not only incompressible vortex component ...
Two-Component Optical Model of Stratospheric Aerosol and Its Application to Interpretation of Lidar Measurements
Two-Component Optical Model of Stratospheric Aerosol and Its Application to Interpretation of Lidar Measurements
Biomass burning aerosol has a significant effect on radiation properties of the stratosphere. Some known data about this a...
Ground-based Stationary Differential Absorption Lidars for Monitoring Greenhouse Gases in the Atmosphere
Ground-based Stationary Differential Absorption Lidars for Monitoring Greenhouse Gases in the Atmosphere
Natural and anthropogenic increase in the greenhouse gas concentrations in the atmosphere is currently considered a determ...
Nonlinear Multiplier and Deep Learning Based Fixed Threshold On-Off Keying Detection for Free-Space Optical Communications
Nonlinear Multiplier and Deep Learning Based Fixed Threshold On-Off Keying Detection for Free-Space Optical Communications
On-off keying (OOK) signal is affected by the scintillation effect caused by atmospheric turbulence when it is transmitted...
Phytoplankton Concentration Distribution in the Kara Sea According to Aircraft Laser Sounding Data
Phytoplankton Concentration Distribution in the Kara Sea According to Aircraft Laser Sounding Data
The spatial distribution of the relative concentration of chlorophyll-a in surface waters was estimated at three sites in ...
Efficiency of Resonance and Cascade Schemes of Fluorescence Excitation in Atoms in Mesosphere for Laser Guide Star Creation. Part I. Potassium and Nickel Atoms
Efficiency of Resonance and Cascade Schemes of Fluorescence Excitation in Atoms in Mesosphere for Laser Guide Star Creation. Part I. Potassium and Nickel Atoms
A laser guide star (LGS) is an essential part of the adaptive optics system of a ground-based optical telescope. The main ...
Variability of Multilayer Cloud Field Structure over Western and Eastern Siberia in Summer and Winter in 2006–2023 Based on CALIPSO Data
Variability of Multilayer Cloud Field Structure over Western and Eastern Siberia in Summer and Winter in 2006–2023 Based on CALIPSO Data
One of the indicators of ongoing climate change is the evolution of cloud regimes, both in individual regions and globally...
Laser Transillumination Study of Supersonic Jets
Laser Transillumination Study of Supersonic Jets
Contactless laser transillumination method is promising for studying the flow structure in turbulent supersonic jets. Howe...
Influence of Inhomogeneous Optical Radiation Propagation Media on the Accuracy of Space Depth Mapping by Multizone Active-Pulse Television Measuring Systems
Influence of Inhomogeneous Optical Radiation Propagation Media on the Accuracy of Space Depth Mapping by Multizone Active-Pulse Television Measuring Systems
The range of detecting objects in inhomogeneous optical radiation propagation media by television measuring systems decrea...
Classification of Atmospheric Aerosols based on Photometric Measurements and Empirical Regional Model MUrA
Classification of Atmospheric Aerosols based on Photometric Measurements and Empirical Regional Model MUrA
Classification of atmospheric aerosols is significant in evaluating the influence of aerosols on the climate system, ident...
Dynamic Phenomena in Stratospheric and Mesospheric Ozone of Polar Atmosphere in February–March 2023
Dynamic Phenomena in Stratospheric and Mesospheric Ozone of Polar Atmosphere in February–March 2023
Microwave measurements of ozone were performed in the middle atmosphere over Apatity (67° N, 33° E) in winter 20...
Black Carbon and Brown Carbon and Selective Smoke Aerosol Absorption during Massive Wildfires in Alaska in 2019 and Canada in 2023
Black Carbon and Brown Carbon and Selective Smoke Aerosol Absorption during Massive Wildfires in Alaska in 2019 and Canada in 2023
Smoky haze which occurs during large-scale wildfires essentially transforms the radiative regime of the atmosphere over la...
Monte Carlo Simulation of Polarized Signals of a Laser Navigation System
Monte Carlo Simulation of Polarized Signals of a Laser Navigation System
Algorithms for stochastic simulation of a polarized signal arriving at a photodetector of an aircraft laser navigation sys...
Ground-Level Ozone as a Factor of Increase in Community-Acquired Pneumonia Rate in Moscow in Warm Seasons
Ground-Level Ozone as a Factor of Increase in Community-Acquired Pneumonia Rate in Moscow in Warm Seasons
Community-acquired pneumonia is among the most common acute infectious diseases. According to official statistics, pneumon...
Optical Model of Cirrus Clouds with Preferentially Oriented Particles for Lidar Applications
Optical Model of Cirrus Clouds with Preferentially Oriented Particles for Lidar Applications
Cirrus clouds are currently under close attention since they play an important role in the formation of the Earth’s ...
Capabilities of Non-line-of-sight Optical Communications with UAV through Water–Atmosphere Interface
Capabilities of Non-line-of-sight Optical Communications with UAV through Water–Atmosphere Interface
А non-line-of-sight optical (NLOS) communication line with an unmanned aerial vehicle (UAV) through the water–...
Optical Inspection of Surfaces under Large Strains Using Digital Image Correlation
Optical Inspection of Surfaces under Large Strains Using Digital Image Correlation
Surface inspection under large strains is a critical problem for both civil and mechanical engineering. Optical techniques...
Aerosol Sounding of the Troposphere and Stratosphere by Lidar and Aerological Technologies
Aerosol Sounding of the Troposphere and Stratosphere by Lidar and Aerological Technologies
Weather conditions are a natural limitation of the use of remote lidar sensing methods of the atmosphere, while the direct...
Cloud Recognition in Hyperspectral Satellite Images Using an Explainable Machine Learning Model
Cloud Recognition in Hyperspectral Satellite Images Using an Explainable Machine Learning Model
Problem of developing algorithm based upon neutral networks and machine learning to find clouds on hyperspectral images ar...
Wind Effect on H2O Absorption Lines Perturbed by He, Ar, Kr, and Xe Pressure
Wind Effect on H2O Absorption Lines Perturbed by He, Ar, Kr, and Xe Pressure
The effect of two factors, i.e., the dependence of the broadening coefficients γ and shifting coefficient δ on t...
Ground-Level Atmospheric Turbulence in the Sayan Solar Observatory in Summer 2023
Ground-Level Atmospheric Turbulence in the Sayan Solar Observatory in Summer 2023
Estimating the influence of atmospheric turbulence on the quality of astronomical images requires appropriate investigatio...
Polar Stratosphere Dynamics During Early Sudden Stratospheric Warmings
Polar Stratosphere Dynamics During Early Sudden Stratospheric Warmings
Sudden stratospheric warming (SSW) significantly impacts the weather in the troposphere and the dynamics of the upper atmo...
Effect of Diffusion Doping of ZnGeP2 with Mg and Ca Atoms on the Optical Properties of Single Crystals
Effect of Diffusion Doping of ZnGeP2 with Mg and Ca Atoms on the Optical Properties of Single Crystals
The effect of impurity Mg and Ca atoms on the optical breakdown threshold of a nonlinear ZnGeP2 crystal at a wavelength of...
Penning Neon Laser Pumped by a Pulsed Inductive Longitudinal Discharge
Penning Neon Laser Pumped by a Pulsed Inductive Longitudinal Discharge
Laser radiation in the yellow wavelength range is widely used in ophthalmology due to its effectiveness and unique propert...
Scaling of Europium Vapor Laser
Scaling of Europium Vapor Laser
IR lasers are widely used in various fields of science and technology. In this regard, expanding the spectral range and ob...
The Use of the Turbulent Lidar for Aviation Safety
The Use of the Turbulent Lidar for Aviation Safety
Clear air turbulence (CAT) constitutes the highest danger for aviation in the free atmosphere in the altitude range 6̵...
Tunable Alexandrite Laser for Lidar Systems
Tunable Alexandrite Laser for Lidar Systems
Development of laser technologies increases requirements for lasers being developed which generate narrow-band radiation a...
Bright Areas of Luminescence in Low-Pressure Air when Diffuse Plasma Jets Meet
Bright Areas of Luminescence in Low-Pressure Air when Diffuse Plasma Jets Meet
The work studies the glow of diffuse plasma jets (DPJ), which make it possible to simulate some properties of red sprites,...
Expert Assessment of the Accuracy of Determining the Intensities of Vibrational-rotational Lines of Water Vapor in the HITRAN Database in the Range 2500–6500 cm–1
Expert Assessment of the Accuracy of Determining the Intensities of Vibrational-rotational Lines of Water Vapor in the HITRAN Database in the Range 2500–6500 cm–1
An expert assessment of the accuracy codes for the intensities of rovibrational transitions of water vapor in the spectral...
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