Search Results - "Seleznev, Leonid V."

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    Manipulation of femtosecond laser filamentation by wire mesh amplitude mask by Geints, Yury E., Minina, Olga V., Mokrousova, Daria V., Pushkarev, Dmitrii V., Rizaev, Georgy E., Seleznev, Leonid V.

    Published in Optics communications (15-09-2023)
    “…The results of numerical simulation on the propagation of high-power femtosecond laser pulses in air under conditions of the amplitude modulation are…”
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    Journal Article
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    Focused beam self-cleaning during laser filamentation by Pushkarev, Dmitrii V., Rizaev, Georgy E., Mokrousova, Daria V., Gavrilov, Sergei Yu, Levus, Maximilian V., Mitricheva, Elizaveta S., Seleznev, Leonid V., Ionin, Andrey A.

    Published in Optical and quantum electronics (01-07-2023)
    “…The beam self-cleaning phenomenon is theoretically predicted by the two-dimensional nonlinear Schrödinger equation, which describes self-focusing, and is…”
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    Journal Article
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    Femtosecond laser color marking of metal and semiconductor surfaces by Ionin, Andrey A., Kudryashov, Sergey I., Makarov, Sergey V., Seleznev, Leonid V., Sinitsyn, Dmitry V., Golosov, Evgeniy V., Golosova, Ol’ga A., Kolobov, Yuriy R., Ligachev, Alexander E.

    “…Color marking of rough or smooth metal (Al, Cu, Ti) and semiconductor (Si) surfaces was realized via femtosecond laser fabrication of periodic surface…”
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    Journal Article
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    Carbon monoxide laser emitting nanosecond pulses with 10 MHz repetition rate by Ionin, Andrey A., Klimachev, Yuriy M., Kotkov, Andrey A., Kozlov, Andrey Yu, Seleznev, Leonid V., Sinitsyn, Dmitriy V.

    Published in Optics communications (15-01-2009)
    “…Actively mode-locked electron-beam-sustained-discharge CO laser producing a train of ∼5–15 ns (FWHM) spikes following with repetition rate 10 MHz for both…”
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    Journal Article
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    Slab Overtone CO Laser Operating in the 2.5-4.0 Micron Spectral Range by Ionin, A.A., Kozlov, A.Yu, Seleznev, L.V., Sinitsyn, D.V.

    Published in IEEE journal of quantum electronics (01-03-2009)
    “…A compact sealed-off repetitively pulsed radio frequency discharge slab overtone CO laser was studied and developed. Maximum average output power was 0.3 W at…”
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    Journal Article
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    Similar angular THz radiation pattern emitted by filament plasma channel with different length by Koribut, Andrey V, Rizaev, Georgy E, Mokrousova, Daria V, Savinov, Sergey A, Reutov, Aleksei A, Mityagin, Yurii A, Seleznev, Leonid V, Ionin, Andrey A

    Published 21-04-2020
    “…Influence of plasma channel length on angular THz radiation pattern is studied experimentally. It is shown that the angular distribution of THz radiation…”
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    Journal Article
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    Q-switched cryogenically cooled slab RF discharge CO laser by Ionin, Andrey A., Kozlov, Andrei Yu, Levchenko, Aleksei O., Mokrousova, Daria V., Seleznev, Leonid V., Sinitsyn, Dmitry V., Sunchugasheva, Elena S.

    “…Compact repetitively pulsed cryogenically cooled slab RF discharge CO laser with double path V-type laser resonator equipped with external Q-switch system…”
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    Conference Proceeding
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    Difference frequencies of CO and CO2 lasers when tuning phase-matching angle in AgGaSe2 crystal by Budilova, Oksana V., Ionin, Andrey A., Kinyaevskiy, Igor O., Klimachev, Yury M., Kotkov, Andrei A., Kozlov, Andrey Yu, Seleznev, Leonid V.

    “…A laser system emitting within the IR wavelength range from 12 to 16.6 micron is discussed. The hybrid laser system consists of molecular gas lasers with a…”
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    Conference Proceeding
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    Effect of nonlinearity in the pass-through optics on femtosecond laser filament in air by Dergachev, Alexander A, Ionin, Andrey A, Kandidov, Valery P, Mokrousova, Daria V, Seleznev, Leonid V, Sinitsyn, Dmitry V, Sunchugasheva, Elena S, Shlenov, Svyatoslav A, Shustikova, Anna P

    Published 16-09-2014
    “…An influence of pass-through optics on femtosecond laser pulse filamentation in ambient air is analyzed for the first time both experimentally and numerically…”
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    Journal Article