Search Results - "NADEZHDINSKII, A. I"

Photodetectors Based on GalnAsSb/GaAlAsSb Heterostructures for the Practical Tasks of Precision Diode Laser Spectroscopy by Kunitsyna, E. V., Andreev, I. A., Konovalov, G. G., Pivovarova, A. A., Il’inskaya, N. D., Yakovlev, Yu. P., Ponurovskii, Ya. Ya, Nadezhdinskii, A. I., Kuz’michev, A. S., Stavrovskii, D. B., Spiridonov, M. V.

“…The paper considers the uncooled photodetectors based on GalnAsSb/GaAlAsSb heterostructures, which can be applied in precision diode laser spectroscopy. The…”
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High-Precision Spectroscopy with Diode Lasers. Deviation of Gas from Ideal Behavior by Nadezhdinskii, A. I., Ponurovskii, Ya. Ya

“…High-precision measurements of the spectral-line profile using near-IR diode lasers (DLs) have been performed, and the measurement results have been analyzed…”
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Flicker Noise in Diode Laser Spectroscopy by Nadezhdinskii, A. I., Ponurovskii, Ya. Ya, Stavrovskii, D. B., Shapovalov, Yu. P.

“…— Low-frequency (flicker) noises of the intensity and frequency of diode laser (DL) radiation have been studied. A model of DL flicker noise and a method for…”
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Fundamental Noises in Diode Laser Spectroscopy by Nadezhdinskii, A. I., Ponurovskii, Ya. Ya, Stavrovskii, D. B., Shapovalov, Yu. P.

“…— The influence of fundamental noises of a diode laser and a photodetector on the registration of absorption spectra by diode laser spectroscopy (DLS) has been…”
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High-Precision Diode Laser Spectroscopy. Study of a Mixture of Real Gases by Nadezhdinskii, A. I., Ponurovskii, Ya. Ya

“…The aim of this work is to analyze the high-precision measurements of the profile of spectral lines using near-IR diode lasers (DLs). To this end, a…”
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Trace complex-molecule detection using near-IR diode lasers by Berezin, A.G., Ershov, O.V., Nadezhdinskii, A.I.

“…The goal of the present paper was to develop an experimental technique to detect trace concentrations of complex molecules in the atmosphere using near-IR…”
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Remote detection of HF molecules in open atmosphere with the use of tunable diode lasers by Grigoriev, G. Y., Malyugin, S. L., Nabiev, S. S., Sukhanova, M. A., Ponurovskii, Y. Y., Nadezhdinskii, A. I., Shapovalov, Y. P.

“…This paper sets out to present the results of a study of the feasibility of building a prototype device for prompt (on-line mode) remote measurements of HF…”
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Non-contact detection of explosives by means of a tunable diode laser spectroscopy by Nadezhdinskii, A.I., Ponurovskii, Ya.Ya, Stavrovskii, D.B.

“…As explosives are unstable, their decay products may be targeted for detection by means of tunable diode laser spectroscopy (TDLS). A model in which an…”
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Results of TDLS application for ammonia monitoring in a process of high-purity arsine and phosphine production by Kotkov, A. P., Ivanov, V. A., Grishnova, N. D., Shirayev, A. V., Berezin, A. G., Nadezhdinskii, A. I., Ponurovskii, Y. Y., Popov, I. P., Shapovalov, Y. P., Stavrovskii, D. B., Vyazov, I. E.

“…Using the TDLS method it has been found that ammonia (NH 3 ) is the main impurity in arsine (AsH 3 ) and phosphine (PH 3 ), produced by hydrolysis of magnesium…”
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Detection of moisture content in high-purity ammonia by means of diode-laser spectroscopy by Berezin, A.G., Nadezhdinskii, A.I., Ponurovskii, Y.Y., Stavrovskii, D.B., Vyazov, I.E., Kotkov, A.P., Ivanov, V.A., Grishnova, N.D., Polezhaev, D.M., Sidorov, V.A., Kotkov, D.A.

“…The aim of this work was the development of an as-simple-as-possible instrument for trace moisture concentration measurements in high-purity ammonia. A…”
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UF6 enrichment measurements using TDLS techniques by Berezin, A G, Malyugin, S L, Nadezhdinskii, A I, Namestnikov, D Yu, Ponurovskii, Ya Ya, Stavrovskii, D B, Shapovalov, Yu P, Vyazov, I E, Zaslavskii, V Ya, Selivanov, Yu G, Gorshunov, N M, Grigoriev, G Yu, Nabiev, Sh Sh

“…The objective of this work was investigation of possibility of tunable diode laser spectroscopy (TDLS) technique application for gaseous uranium hexafluoride…”
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Remote helicopter-borne detector for searching of methane leaks by Berezin, A.G., Malyugin, S.V., Nadezhdinskii, A.I., Namestnikov, D.Yu, Ponurovskii, Ya.Ya, Rudov, S.G., Stavrovskii, D.B., Shapovalov, Yu.P., Vyazov, I.E., Zaslavskii, V.Ya

“…Measurements of the content of various molecular impurities in the ambient air using helicopter- and aircraft-borne systems represent an extremely urgent…”
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Laser-spectroscopic techniques for monitoring releases from nuclear fuel cycle objects by Grigor’ev, G. Yu, Nabiev, Sh. Sh, Malyugin, S. L., Sukhanova, M. A., Nadezhdinskii, A. I., Ponurovskii, Ya. Ya

“…This is a study of the feasibility of and equipment layout for reliable, accurate, and high-speed detection of releases of dangerous substances from nuclear…”
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Diode Laser Spectroscopy for Creating Effective Measuring Systems and Their Use in Biological and Medical Research by Ponurovskii, Ya. Ya, Zaslavskii, V. Ya, Nadezhdinskii, A. I., Spiridonov, M. V., Stavrovskii, D. B., Shapovalov, Yu. P., Karabinenko, A. A., Petrenko, Yu. M.

“…In this paper, we present the most important principles of diode laser spectroscopy, which allow one to create fundamentally new measuring systems for diverse…”
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Investigation of 235UF6 and 238UF6 spectra in the mid-IR range by Grigor’ev, G. Yu, Lebedeva, A. S., Malyugin, S. L., Nabiev, Sh. Sh, Nadezhdinskii, A. I., Ponurovskii, Ya. Ya

“…A diode laser is used to measure the absorption spectra of 238 UF 6 and 235 UF 6 molecules in the composite vibrational band ν 1 + ν 3 at wavelength γ = 7.68…”
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Tunable single-frequency diode laser at wavelength λ=1.65 μm for methane concentration measurements by Gladyshev, A.V., Belovolov, M.I., Vasiliev, S.A., Dianov, E.M., Medvedkov, O.I., Nadezhdinskii, A.I., Ershov, O.V., Beresin, A.G., Duraev, V.P., Nedelin, E.T.

“…This paper deals with the development of a novel single-frequency tunable diode laser with fiber-optic output for gas-analysis applications. The approach we…”
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Diode laser spectroscopy: precise spectral line shape measurements by Nadezhdinskii, A.I.

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Monitoring the Fractional Distillation Purification of Inorganic Hydrides by Diode Laser Absorption Spectroscopy by Ponurovskii, Ya. Ya, Stavrovskii, D. B., Shapovalov, Yu. P., Spiridonov, M. V., Kuz’michev, A. S., Nadezhdinskii, A. I., Kotkov, A. P., Grishnova, N. D., Anoshin, O. S., Skosyrev, A. I., Polezhaev, D. M.

“…— We present our findings on the use of diode laser spectroscopy (DLS) for monitoring СО 2 , Н 2 О, СН 4 , C 2 H 2 , C 2 H 4 , NH 3 , and other gas impurities…”
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Special issue “7th International Conference on Tunable Diode Laser Spectroscopy” by Mantz, A. W., Nadezhdinskii, A. I., Sigrist, M. W., Tittel, F. K.

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Application of tunable diode laser absorption spectroscopy for planetary studies, on lander board for planned missions to Moon, Mars and Venus by Vinogradov, I. I., Barke, V. V., Kazakov, V. A., Lebedev, Yu V., Rodin, A. V., Roste, O. Z., Benderov, O. V., Klimchuk, A. Yu, Semenov, V. M., Zakharova, A. A., Kalyuzhnyi, A. V., Nadezhdinskii, A. I., Ponurovskiy, Ya Ya, Spiridonov, V. V., Cousin, J., Durry, G., Joly, L.

“…In a couple of years, researchers of IKI RAS, together with colleagues from MIPT, GPI RAS, and from the French GSMA team are developing TDLAS instruments for…”
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