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Article
UV and VUV excilamps excited by glow, barrier and capacitive discharges
An investigation was made into the characteristics of XeCl (λ∼308 nm), KrCl (λ∼222 nm) and XeI (λ∼253 nm)capacitive HF discharge and glow discharge excilamps. High fluorescence efficiency of the exciplex mole...
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Article
A 1-kW/cm2 flash KrCl excimer lamp
The amplitude-time characteristics of the emission from a one-barrier flash KrCl excimer lamp and conditions for the maximum luminosity in the UV spectrum range are reported. The best result is achieved for a ...
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Article
Capacitive Discharge Excilamps
UV radiating sources on KrCl (λ ∼ 222 nm), XeCl (λ ∼ 308 nm), and XeBr (λ ∼ 282 nm) molecules excited by a capacitive discharge are described. The sources have a simple design of the radiator and are character...
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Article
A Periodically Pulsed HF(DF) Gas-Discharge Laser
The design of a repetitively pulsed HF(DF) gas-discharge laser with an active-medium volume of 60 × 2.3 × 1.2 cm3, a pulse radiation energy of 1.6 (1.2) J, and a pulse repetition rate of 1–2 Hz is described. A ze...
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Article
Miniature KrCl and XeBr Excimer Lamps
We propose miniature KrCl and XeBr excimer lamps based on a near-surface capacitive discharge. We show that the devices have high specific energy characteristics (radiation power density of up to 7 mW/cm2), a sma...
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Article
Bactericidal iodine lamp excited by capacitive discharge
A new capacitive discharge lamp is created in which the main contribution to the output radiation is due to the iodine atomic emission line at 206 nm. The lamp has an average output power at λ=206 nm reaching ...
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Article
Methanol photomineralization in a Xe2 photoreactor (λ = 172 nm) with aeration of a solution
It is demonstrated that mineralization of methanol in a water solution in a Xe2* photoreactor (λ ∼ 172 nm) upon exposure to vacuum ultraviolet radiation with aeration allows the process to be to intensified and t...
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Article
Capacitive and barrier discharge excilamps and their applications (Review)
The results of studies, development works, and tests of barrier-and capacitive-discharge excilamps radiating in the UV and VUV spectrum regions are presented. The main information on the designs of radiators a...
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Article
Optimal length of capacitive-discharge and glow-discharge excilamps
The optimal tube length of capacitive-discharge and glow-discharge excimer lamps with ring and circular electrodes of equal radii is considered. It is demonstrated that, at the same potential difference betwee...
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Article
Pulsed discharge in nitrogen and argon under an elevated pressure in a nonuniform electric field
The characteristics of a discharge and radiation in nitrogen and argon under pressures of 10–760 Torr and the discharge formation without pre-ionization of the gap from an auxiliary source are considered. A pe...
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Article
Nanosecond discharge in sulfur hexafluoride and the generation of an ultrashort avalanche electron beam
A discharge in the presence of a nonuniform electric field and the generation of an ultrashort avalanche electron beam (UAEB) are studied in the insulating gas SF6 at the pressures 0.01–2.50 atm. High-voltage nan...
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Article
Effect of a transverse magnetic field on the generation of electron beams in the gas-filled diode
The effect of a transverse magnetic field (0.080 and 0.016 T) on generation of an electron beam in the gas-filled diode is experimentally investigated. It is shown that, at voltage U = 25 kV across the diode and ...
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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
Potential of pulsed excilamps for remote sounding of polluted atmosphere
The results are discussed of a closed numerical experiment on lidar sounding of the concentration of small gas impurities in the tropospheric layer of the atmosphere based on a new LIDAR-DOAS hybrid technology...
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Article
Estimation of the efficiency of the hybrid LIDAR-DOAS system of lidar sensing of the polluted atmosphere using pulsed excilamps
Results of a closed numerical experiment on laser sensing of minor gas impurity concentrations in the tropospheric layer of the atmosphere based on new hybrid LIDAR-DOAS technique with a XeCl* excilamp used fo...
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Article
Effect of UV activation on acid and catalytic properties of zeolite-containing catalysts in conversion of gas-condensate straight-run gasolines to high-octane gasolines
Effect of activation by UV radiation with different wavelengths on the acid and catalytic properties of the N-TsKE-G zeolite catalyst in conversion of straight-run gasolines from the gas condensate of the Myl’...
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Article
Emission of cyan upon excitation of nitrogen, air, and N2-CH4 mixture by discharge pulses in an inhomogeneous electric field
We have studied spectral and amplitude-time characteristics of the emission by nitrogen, air, and the N2-CH4 mixture upon excitation by nanosecond and microsecond high-voltage discharge pulses in an inhomogeneous...
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Article
Point source of UV-radiation with a frequency of 1 khz and short pulse duration
Radiation of the discharge plasma from a nanosecond breakdown in a nonuniform electric field of short interelectrode gaps is investigated. Voltage pulses with incident wave amplitude of ~10 kV, pulse duration ...
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Article
A compact vacuum UV excilamp on argon dimers
The energy and spectral characteristics of the argon dimer emission with the maximum at a wave-length of ∼126 nm under excitation by a pulse-periodic discharge in a gas flow with pressures higher than the atmo...
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Article
Two-component structure of the current pulse of a ranaway electron beam generated during electric breakdown of elevated-pressure nitrogen
Conditions are investigated at which two current pulses of ranaway electron beams are generated in elevated-pressure nitrogen during one voltage pulse. It is shown that the regime with two runaway electron bea...