Výsledky vyhledávání

Optical limitation of Mid-IR radiation in vanadium dioxide films

Autor: V. A. Klimov, S. A. Tul’skii, I. L. Yachnev, E. B. Shadrin, A. I. Sidorov, O. B. Danilov, O. P. Mikheeva

Publikováno v: Technical Physics. 48:73-79

Theoretical and experimental results on the limitation of pulsed radiation in the spectral range 3.8–10.6 µm in vanadium dioxide films are presented. The effect of the film structure on the shape of the temperature hysteresis loop is studied. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f35b74edfa65e68ec5d3a3793e5e4fb1
https://doi.org/10.1134/1.1538731

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Investigation of the divergence of the radiation emitted by a pulsed CO2electron-beam-controlled laser

Autor: V. N. Chirkov, I L Yachnev, I V Glukhikh, A I Dutov

Publikováno v: Soviet Journal of Quantum Electronics. 21:189-193

An experimental study was made of the dependence of the divergence of the radiation emitted by a pulsed CO2 electron-beam-controlled atmospheric-pressure laser on the power and duration of pumping, on the intensity of the stimulated radiation, on the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::417a6369eed120696cfdddc51bdbb957
https://doi.org/10.1070/qe1991v021n02abeh003750

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Lasing dynamics of an electron-beam-controlled CO2laser

Autor: M N Gordeeva, I L Yachnev

Publikováno v: Soviet Journal of Quantum Electronics. 20:1162-1165

The mechanism involved in forming the initial radiation peak emitted by a CO2 laser pumped by pulses of from one to several tens of microseconds duration was investigated using a numerical modeling method. A method of suppressing this peak in an elec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::81f64f12c28f9b78b249e1a6a9361102
https://doi.org/10.1070/qe1990v020n10abeh007433

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Experimental Investigation of Air-breathing Mode of Laser Propulsion with Elongate Cylindrical Models and CO2 Lasers of Different Pulse Durations

Autor: V. E. Sherstobitov, V. M. Irtuganov, D. A. Goryachkin, V. P. Kalinin, A. A. Smirnov, S. A. Tul’skyi, I. L. Yachnev, V. V. Sergeev

Publikováno v: AIP Conference Proceedings.

The experiments on laser propulsion of cylindrical models with spherical forebodies have been reported. The models with masses 2–5 g were propelled by a TEA CO2 laser (7 J, 1 μs, 30 Hz). The coupling coefficient Cm increased with cylinder length L

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::271036b344b6b933bee442f4309437b7
https://doi.org/10.1063/1.1925143

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Optimisation of the pump and output parameters of an electron-beam-controlled CO2laser by lowering the active-mixture pressure

Autor: I L Yachnev, A I Sidorov, V N Chirkov

Publikováno v: Quantum Electronics. 25:439-441

An experimental study established the feasibility of improving the spatial and energy parameters of the radiation from an electron-beam-controlled CO2 laser, emitting pulses several tens of microseconds long, by lowering the active-mixture pressure f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7f2ecb307d6c6a86233917233b49117d
https://doi.org/10.1070/qe1995v025n05abeh000382

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Influence of the thermal self-interaction of radiation on the shift of the emission frequency of an electron-beam-controlled CO2laser

Autor: A I Sidorov, V N Chirkov, I L Yachnev

Publikováno v: Quantum Electronics. 24:510-512

An experimental study established that the thermal self-interaction of radiation is the main mechanism responsible for the shift of the emission frequency of a hybrid atmospheric-pressure electron-beam-controlled CO2 laser emitting pulses longer than

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::35ce194185f2782c0658f67e1bb4d8c7
https://doi.org/10.1070/qe1994v024n06abeh000126

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Formation of a smooth radiation pulse in an electron-beam-controlled CO2laser

Autor: A I Sidorov, V N Chirkov, I L Yachnev

Publikováno v: Quantum Electronics. 25:544-545

The theoretical feasibility of the formation of smooth output radiation pulses in an electron-beam-controlled CO2 laser operating at atmospheric pressure was confirmed experimentally by profiling pump pulses. Smooth output pulses were also generated

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e137dba7a55cfc46902b14b670b88f8a
https://doi.org/10.1070/qe1995v025n06abeh000409

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