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Article
Agricultural Risks of Winter Season in the Modern Changing Climate
The paper reveals the causes and consequences of unfavorable conditions for overwintering of winter grain crops on the example of the Moscow region. Unstable winter periods in the recent decades resulting from...
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Article
Barrier Discharge Excilamps with a Small-Diameter Exit Window and Their Application
The principle of operation and technical parameters of excilamps with a small-diameter output window from a series of portable narrow-band ultraviolet and vacuum ultraviolet radiation sources are described. An...
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Article
Identification of Natural and Synthetic Diamonds from Their Optical Absorption and Cathodoluminescence Spectra
The optical absorption and cathodoluminescence spectra of nine diamond specimens are investigated at the temperatures 295 K and 82–295 K, respectively. By the presence of an N3a electron-vibrational system wit...
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Article
Efficient UV and VUV Radiation Sources – Excilamps and Photoreactors on Their Basis
Results of investigations of UV and VUV radiation sources (excilamps) based on inert gases and mixtures of inert gases with halides are presented. Conditions are described in which maximum radiation parameters...
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Article
Numerical simulation and experimental study of thermal and gas-dynamic processes in barrier-discharge coaxial excilamps
Numerical simulation of thermal and gas-dynamic processes in barrier-discharge coaxial excilamps is performed, and the conditions of its application are justified. The calculation results are compared with the...
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Article
KrCl barrier-discharge excilamps: Energy characteristics and applications (Review)
The results of investigations of planar and coaxial barrier-discharge KrCl excilamps (λ ∼ 222 nm) are reviewed. Brief information on the developed structures of radiators and power-supply units and the results...
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Article
XeI barrier discharge excilamp
Barrier discharges in Xe-I2 (100-0.04 Torr) mixtures are studied experimentally and theoretically. It is shown that the experimental efficiency and the intensity of radiation in the B → X band of XeI* (253 nm) ma...
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Article
High-power module based on inert gas–halogen mixtures for UV irradiation
We have developed a module based on exciplex barrier-discharge lamps for irradiation by high-power narrow-band ultraviolet radiation. The module uses air cooling and is intended for irradiation of substrates s...
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Article
Study of the influence of the sulfide and ultraviolet treatment of the n-i-GaAs surface on the parameters of ohmic contacts
The possibility of improving the parameters of AuGe/Ni- and Ge/Cu-based ohmic contacts to n-i-GaAs by modifying the preliminarily oxidized GaAs surface in a sulfide-containing solution, as well as via the effect ...
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Article
The radiative and thermodynamic processes in DBD driven XeBr and KrBr exciplex lamps
The radiative and thermodynamic parameters of a dielectric barrier discharge XeBr and KrBr excilamp were studied. The power expended in heating the gas mixture and the excilamp bulb was determined by measurin...
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Article
Radiation of nitrogen molecules in a dielectric barrier discharge with small additives of chlorine and bromine
Spectral and energy characteristics of nitrogen molecule radiation in dielectric barrier discharges in Ar-N2, Ar-N2-Cl2, and Ar-N2-Br2 mixtures were investigated experimentally. Small additives of molecular chlor...
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Article
Dynamic pressure jump in barrier-discharge excilamps
Data for the pressure jump are used to study thermodynamic processes in barrier-discharge excilamps under the conditions of a diffuse (uniform) discharge and microdischarges. It is shown that a linear relation...
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Article
The study of the spectral, temporal, and energy characteristics of gas-discharge plasma in water and water ammonia vapors
The spectral, energy, and temporal characteristics of E-type discharge plasma radiation in ammonia water are investigated. Barrier and capacitive discharge lamps at A 2Σ+ → X ...
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Article
Optical characteristics of radiation from N 2 * dimers in a barrier discharge
The spectral and power characteristics of radiation of the second positive system of nitrogen (C 3Π u → B 3Π g ...
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Article
Air-cooled barrier-discharge excilamps
Air-cooled barrier-discharge excilamps with flat exit windows are described. The results of investigations into radiation of lamps on KrCl* (λ ∼ 222 nm), Cl2(λ ∼ 258 nm), and KrBr (λ ∼ 207 nm) molecules are given...
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Article
Two-band emission source based on a three-barrier KrCl-XeBr excilamp
We have created and tested a coaxial excimer lamp (excilamp) with three barriers and two separate compartments representing serially connected gaps. The emission spectrum of the excilamp exhibits two narrow ba...
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Article
Investigation of the conditions of efficient I*2 (342 nm) luminescence in a barrier discharge in a Kr-I2 mixture
The energy and spectral characteristics of a barrier discharge in a mixture of iodine vapor with krypton have been investigated theoretically and experimentally. The emission spectrum consists of the single I*2 m...
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Article
Optical characteristics of plasma of I*2, Cl*2, Br*2 halogen dimer barrier-discharge excilamps
Barrier-discharge excilamps operating in homonuclear chlorine, bromine, and iodine and their mixtures with inert gases have been studied. The spectral and energy characteristics of the barrier-discharge plasma...
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Article
Barrier-discharge excilamp on a mixture of krypton and molecular bromine and chlorine
Spectral and energy characteristics of a barrier-discharge excilamp on a mixture of krypton with bromine and chlorine molecules that emits in the range 200–300 nm are presented. The radiation spectrum contains...
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Article
Generation of nanosecond pulses in a barrier-discharge XeBr excimer lamp
The subject of investigation is the coaxial two-barrier short-pulse excimer lamp based on XeBr* molecules (λ = 282 nm). When the working mixture (Xe: Br2 = 70: 1) is excited by a high-voltage pulsed nanosecond di...
