Výsledky vyhledávání - "A. M. Klimachev"

Prediction of persistence of hemodynamically significant open arterial duct in profoundlypreterm infants

Autor: O. V. Klimacheva, A. M. Klimachev, T. N. Nikolaeva

Publikováno v: Perm Medical Journal. 38:108-114

Objective. To develop a method for predicting the persistence of hemodynamically significant ductus arteriosus in profoundly premature newborns based on the evaluation of clinical data and the results of additional studies. Material and methods. Sixt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c3de809791d443f685626e289bfe53b6
https://doi.org/10.17816/pmj381108-114

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Terahertz NH3 Laser with Optical Pumping by 'Long' (~100 μs) Pulses of CO2 Laser for Plasma Diagnostics

Autor: D. A. Zazymkina, A. A. Ionin, I. O. Kinyaevskiy, Yu. M. Klimachev, A. Yu. Kozlov, D. I. Kormashova, A. A. Kotkov, J.-F. Lampin, Yu. A. Mityagin, S. A. Savinov, A. M. Sagitova, D. V. Sinitsyn, M. V. Ionin

Publikováno v: Physics of Atomic Nuclei / Yadernaya Fizika
Physics of Atomic Nuclei / Yadernaya Fizika, 2021, 84 (10), pp.1765-1769. ⟨10.1134/S1063778821090398⟩

International audience; A terahertz NH3 laser optically pumped by “long” (~100 μs) pulses of an electron-beam-sustained-discharge CO2 laser is demonstrated for the first time. The NH3 laser pulses and the “long” pulses of the CO2 laser are s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::06ddacf50dec3b764ddf45ddfce78487
https://hal.science/hal-03634519

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CO laser sum-frequency comb for atmosphere sensing

Autor: Andrey A. Ionin, I. O. Kinyaevskiy, Yury M. Klimachev, Adilya M. Sagitova, Yury M. Andreev

Publikováno v: Infrared physics and technology. 2019. Vol. 100. P. 62-66

Sum-frequency spectrum of non-selective (multi-line) CO laser radiation generated in ZnGeP2 crystal under noncritical spectral phase-matching conditions was experimentally studied with spectral resolution of ∼0.1 cm−1. The number of spectral line

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c984592165c988ea06ac842b9d39ec42
https://doi.org/10.1016/j.infrared.2019.05.013

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Broadband (1.7–6.0 μm) multiline CO laser system with intra- and extracavity sum frequency generation in BaGa2GeSe6 crystals

Autor: A.M. Sagitova, Dmitry V. Sinitsyn, Andrei A. Kotkov, Valery V. Badikov, A. Yu. Kozlov, Andrey A. Ionin, Dmitrii Badikov, Yu. M. Klimachev, I. O. Kinyaevskiy

Publikováno v: Optics & Laser Technology. 115:205-209

Broadband sum frequency conversion of a slab RF discharge Q-switched CO laser system was performed with two BaGa2GeSe6 crystals resulting in its spectrum lying within 1.7–6.0 μm spectral range. The first BaGa2GeSe6 crystal was located in the CO la

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8cbea527668955917ba4f7602bdcff9b
https://doi.org/10.1016/j.optlastec.2019.02.035

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Time behavior of NH3 laser THz emission under optical pumping by long pulse CO2 laser

Autor: A.A. Kozlov, I.A. Chebotarev, S. A. Savinov, I. O. Kinyaevskiy, A.M. Sagitova, Andrei A. Kotkov, Yu. A. Mityagin, D. V. Sinitsyn, Yu. M. Klimachev, J.-F. Lampin, Andrey A. Ionin

Publikováno v: 19th International Conference Laser Optics, ICLO 2020
19th International Conference Laser Optics, ICLO 2020, Nov 2020, Saint Petersburg, Russia. pp.1-1, ⟨10.1109/ICLO48556.2020.9285859⟩

International audience; A waveform of pulsed THz NH3 lasing was measured under optical pumping by "long" pulse e-beam sustained discharge (EBSD) CO2 laser on 9R (30) and 9R (16) ro-vibrational transitions.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80229e8457a314496e5212c0ac866324
https://hal.archives-ouvertes.fr/hal-03101719

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Frequency down-conversion of multiline CO laser into the THz range with ZnGeP2 crystal

Autor: Adily M. Sagitova, Jean-Francois Lampin, Yury M. Klimachev, Andrey A. Ionin, I. O. Kinyaevskiy

Publikováno v: Optical and Quantum Electronics
Optical and Quantum Electronics, 2020, 52 (1), pp.4985. ⟨10.1007/s11082-019-2116-1⟩
Optical and Quantum Electronics, Springer Verlag, 2020, 52 (1), pp.4985. ⟨10.1007/s11082-019-2116-1⟩

Frequency down-conversion (difference frequency generation) of a multiline Q-switched CO laser with a ZnGeP2 crystal was numerically studied. Two options of the CO laser spectrum were considered: “narrow” (44 lines) and “broad” (150 lines) on

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fde0d3249173bc35797257283883f610
https://hal.science/hal-03101698

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Multiline CO laser with broadband frequency conversion in nonlinear crystals for gas analysis applications

Autor: Yu. M. Klimachev, Andrei A. Kotkov, Andrey A. Ionin, A.M. Sagitova, Dmitry V. Sinitsyn, I. O. Kinyaevskiy, A. Yu. Kozlov

Publikováno v: 14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR 2020).

Q-switched slab RF-discharge multiline CO laser with broadband frequency conversion in BaGa2GeSe6 and ZnGeP2 crystals was developed. The laser system operated within 2.5-6 μm wavelengths and it was tested for absorption measurement of atmosphere gas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::49ccd5bea0ceb29a680aca6bd9f0a2d7
https://doi.org/10.1364/cleopr.2020.c9b_4

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