IR-photorecorder KIT-2F: modification and certification tests

Lazarchuk, V. P.; Litvin, D. N.; Mis’ko, V. V.; Murugov, Vasili M.; Петров, С. Ю.; Senik, Alexei V.; Sheremetev, Yuri N.; Roos, E.

doi:10.1117/12.426986

Cited by 3 publications

(2 citation statements)

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“…It includes an JR converter, an objective for image reprojection, an image converter, an image intensifier, and a digital CCD camera provided with an output to the computer. The JR converter has been taken from the previous instrument [4]. Jt contains a converter unit, located in a hermetically sealed volume evacuated down to a residual pressure of2O-30 Ton and provided with an input window of BaF2.…”

Section: Equipmentmentioning

confidence: 99%

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Multiframe IR photorecorder KIT-2M

Murugov¹,

Kravchenko²,

Lazarchuk³

et al. 2003

SPIE Proceedings

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This paper considers a 9-frame photorecorder that has been developed on the basis of an JR camera of ionization type with the use of an image converter. The photorecorder operates in the spectral range of 1 -10 im at a frame rate of 10-200 kHz and frame duration of 1-50 jis. It has the temperature detection threshold of 400°C and spatial resolution of >i0 elem./frame. The photorecorder will find the use in recording the structure of thermal fields in fast processes (gas dynamics, ballistics, pulsed welding, and thermal treatment of surfaces).

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Section: Equipmentmentioning

confidence: 99%

“…In 2001 we reported about the upgraded JR recorder [4], in which for recording the output visible radiation from the JR camera instead of a photographic film a CCD camera is used with an output to the computer. This allowed us to considerably facilitate and speed up processing of information and to improve characteristics of the instrument.…”

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confidence: 99%

Multiframe IR photorecorder KIT-2M

Murugov¹,

Kravchenko²,

Lazarchuk³

et al. 2003

SPIE Proceedings

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DC Townsend Discharge in Nitrogen: Temperature‐Dependent Phenomena

Lodygin

Portsel

Astrov

2012

Contrib. Plasma Phys.

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Low-current Townsend discharge in nitrogen has been studied in the temperature range of T = 100-300 K in a semiconductor-gas-discharge structure. It was found that the sustaining voltage U S increases with time when a current is passed through the structure at low T . This effect was not observed at room temperature. A hypothesis is put forward that a film of a neutral phase of nitrogen is formed on the electrodes under cryogenic discharge conditions. The presence of the condensed thin-film phase leads to a decrease in the secondary electron emission from the electrode and to a corresponding increase in US. A possible mechanism of the phenomenon is associated with the formation of large neutral aggregates in the form of [N + 2 (N2)n] − in the gas discharge volume. The condensation of these aggregates seems to yield a phase that is comparatively stable at cryogenic temperatures.

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Silicon Doped with Sulfur as a Detector Material for High Speed Infrared Image Converters

Astrov

Portsel²,

Lodygin³

et al. 2005

SSP

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The work aims at approaching the solution of the problem of developing sensitive silicon detectors for high speed IR imaging devices which are semiconductor – gas discharge systems. Among the requirements to detectors is their operation at the temperature which is somewhat higher than that of liquid nitrogen. To meet this requirement, a set of deep impurities is analyzed. It is emphasized that silicon doped with sulphur is a good choice to reach the aim. The doping of silicon with sulphur is done by the technique of high temperature diffusion. Data of the Hall measurements indicate the presence of large density of shallow donor levels in the material obtained. To compensate them, acceptors are introduced afterwards with using radiation doping techniques. Testing of the fabricated detectors in the converter setup shows that they provide imaging of IR fields of temperature T ~ 270 0C with the temporal resolution in the order of 3 µs.

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IR-photorecorder KIT-2F: modification and certification tests

Cited by 3 publications

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Multiframe IR photorecorder KIT-2M

Multiframe IR photorecorder KIT-2M

DC Townsend Discharge in Nitrogen: Temperature‐Dependent Phenomena

Silicon Doped with Sulfur as a Detector Material for High Speed Infrared Image Converters

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