Search Results - "Sinitsyn, D V"

Broadband CO Laser with Intracavity Frequency Conversion for Plasma Diagnostics by Ionin, A. A., Kinyaevskiy, I. O., Klimachev, Yu. M., Kozlov, A. Yu, Kotkov, A. A., Sagitova, A. M., Sinitsyn, D. V.

“…In this work, we experimentally study intracavity frequency conversion of CO laser radiation in a nonlinear ZnGeP 2 crystal under noncritical phase matching…”
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Direct femtosecond laser fabrication of antireflective layer on GaAs surface by Ionin, A. A., Klimachev, Y. M., Kozlov, A. Y., Kudryashov, S. I., Ligachev, A. E., Makarov, S. V., Seleznev, L. V., Sinitsyn, D. V., Rudenko, A. A., Khmelnitsky, R. A.

“…Nanostructured near-IR antireflective layer was produced on a GaAs slab surface by direct femtosecond laser fabrication of a surface diffraction grating. The…”
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Femtosecond laser fabrication of sub-diffraction nanoripples on wet Al surface in multi-filamentation regime: High optical harmonics effects? by Ionin, A.A., Kudryashov, S.I., Makarov, S.V., Rudenko, A.A., Saltuganov, P.N., Seleznev, L.V., Sinitsyn, D.V., Sunchugasheva, E.S.

“…•Multi-filamentation of high power femtosecond laser pulses in water.•Fabrication of sub-diffraction surface ripples on wet aluminum by high optical harmonics…”
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Frequency conversion of mid-IR lasers into the long-wavelength domain of 12-20 µm with AgGaSe2, BaGa2GeSe6 and PbIn6Te10 nonlinear crystals by Ionin, A A, Kinyaevskiy, I O, Klimachev, Yu M, Kotkov, A A, Kozlov, A Yu, Sagitova, A M, Sinitsyn, D V, Rulev, O A, Badikov, V V, Badikov, D V

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Electron dynamics and prompt ablation of aluminum surface excited by intense femtosecond laser pulse by Ionin, A. A., Kudryashov, S. I., Makarov, S. V., Seleznev, L. V., Sinitsyn, D. V.

“…Thin aluminum film homogeneously heated by intense IR femtosecond laser pulses exhibits on the excitation timescale consequent fluence-dependent rise and drop…”
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Q-switched repetitively pulsed cryogenic slab RF discharge CO laser with active medium comprising air by Ionin, A. A., Kinyaevskiy, I. O., Klimachev, Yu. M., Kozlov, A. Yu, Rulev, O. A., Sagitova, A. M., Seleznev, L. V., Sinitsyn, D. V.

“…Q-switched repetitively pulsed cryogenic slab RF discharge CO laser output characteristics (its spectrum, peak power and pulse duration) were studied for…”
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Frequency conversion of mid-IR lasers into the long-wavelength domain of 12-20 µm with AgGaSe 2 , BaGa 2 GeSe 6 and PbIn 6 Te 10 nonlinear crystals by Ionin, A A, Kinyaevskiy, I O, Klimachev, Yu M, Kotkov, A A, Kozlov, A Yu, Sagitova, A M, Sinitsyn, D V, Rulev, O A, Badikov, V V, Badikov, D V

“…Difference frequency generation under mixing of repetitively-pulsed CO- and CO -laser radiation in AgGaSe , BaGa GeSe and PbIn Te nonlinear crystals was…”
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Repetitively pulsed cryogenically cooled quasi-sealed-off slab RF discharge first-overtone CO laser by Ionin, A. A., Kozlov, A. Yu, Rulev, O. A., Seleznev, L. V., Sinitsyn, D. V.

“…A slab first-overtone CO laser of improved design excited by repetitively pulsed RF discharge was researched and developed. Its quasi-sealed-off operation…”
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Frequency Conversion of Slab Radio-Frequency Discharge CO and CO2 Lasers Into the Spectral Range ~2–20 μm (Review) by Ionin, A. A., Kinyaevsky, I. O., Klimachev, Yu. M., Kozlov, A. Yu, Kotkov, A. A., Rulev, O. A., Sagitova, A. M., Seleznev, L. V., Sinitsyn, D. V.

“…Research that both initiated and developed a hybrid IR-laser system based on conversion of Q-switched slab radiofrequency discharge CO and CO 2 lasers in…”
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Near-threshold femtosecond laser fabrication of one-dimensional subwavelength nanogratings on a graphite surface by Golosov, E. V., Ionin, A. A., Kolobov, Yu. R., Kudryashov, S. I., Ligachev, A. E., Makarov, S. V., Novoselov, Yu. N., Seleznev, L. V., Sinitsyn, D. V., Sharipov, A. R.

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Plasma chemistry of the sealed-off slab CO laser active medium pumped by radio-frequency discharge with liquid-nitrogen-cooled electrodes by Ionin, A. A., Kozlov, A. Yu, Seleznev, L. V., Sinitsyn, D. V.

“…The long-term time behavior of the output power of a sealed-off cryogenic slab CO laser pumped by a repetitively pulsed RF discharge and operating on the…”
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Terahertz NH3 Laser with Optical Pumping by “Long” (~100 μs) Pulses of CO2 Laser for Plasma Diagnostics by Zazymkina, D. A., Ionin, A. A., Kinyaevskiy, I. O., Klimachev, Yu. M., Kozlov, A. Yu, Kormashova, D. I., Kotkov, A. A., Lampin, J.-F., Mityagin, Yu. A., Savinov, S. A., Sagitova, A. M., Sinitsyn, D. V., Ionin, M. V.

“…A terahertz NH 3 laser optically pumped by “long” (~100 μs) pulses of an electron-beam-sustained-discharge CO 2 laser is demonstrated for the first time. The…”
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Beam spatial profile effect on femtosecond laser surface structuring of titanium in scanning regime by Ionin, A.A., Kudryashov, S.I., Makarov, S.V., Rudenko, A.A., Seleznev, L.V., Sinitsyn, D.V., Golosov, E.V., Kolobov, Y.R., Ligachev, A.E.

“…•In a scanning regime, a symmetrical fs-laser beam yields in nanostructured microspikes.•Smooth and less oxidized microspikes were obtained using an…”
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Nonlinear optical feedback for nano- and micropatterning of silicon surface under femtosecond laser irradiation by Ionin, A. A., Kudryashov, S. I., Rudenko, A. A., Seleznev, L. V., Sinitsyn, D. V., Makarov, S. V.

“…Silicon based micro- and nanophotonics yielding plenty of applications from black silicon for photovoltaics to all-dielectric nanoantennas for sensing and…”
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Femtosecond laser writing of subwave one-dimensional quasiperiodic nanostructures on a titanium surface by Golosov, E. V., Emel’yanov, V. I., Ionin, A. A., Kolobov, Yu. R., Kudryashov, S. I., Ligachev, A. E., Novoselov, Yu. N., Seleznev, L. V., Sinitsyn, D. V.

“…One-dimensional quasiperiodic structures whose period is much smaller than the wavelength of exciting radiation have been obtained on a titanium surface under…”
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Multiple filamentation of supercritical UV laser beam in atmospheric air by Zvorykin, V.D., Ionin, A.A., Levchenko, A.O., Seleznev, L.V., Shutov, A.V., Sinitsyn, D.V., Smetanin, I.V., Ustinovskii, N.N.

“…Multiple filamentation of subpicosecond UV pulses with peak power up to 0.2TW was investigated at the Ti:Sapphire/KrF GARPUN-MTW laser facility in the direct…”
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Ultrafast changes in the optical properties of a titanium surface and femtosecond laser writing of one-dimensional quasi-periodic nanogratings of its relief by Golosov, E. V., Ionin, A. A., Kolobov, Yu. R., Kudryashov, S. I., Ligachev, A. E., Novoselov, Yu. N., Seleznev, L. V., Sinitsyn, D. V.

“…One-dimensional quasi-periodic nanogratings with spacings in the range from 160 to 600 nm are written on a dry or wet titanium surface exposed to linearly…”
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Double-range (λ = 2.6–2.9 and 4.9–6.0 μm) slab RF discharge CO laser system with intracavity frequency conversion in temperature-controlled ZnGeP2 crystal by Ionin, A.A., Kinyaevskiy, I.O., Klimachev, Yu.M., Kotkov, A.A., Kozlov, A.Yu, Sagitova, A.M., Sinitsyn, D.V., Rulev, O.A.

“…•Intracavity sum-frequency generation in a slab RF discharge CO laser with a ZnGeP2 nonlinear crystal.•A compact slab RF discharge CO laser simultaneously…”
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A prototype of an electric-discharge gas flow oxygen−iodine laser: I. Modeling of the processes of singlet oxygen generation in a transverse cryogenic slab RF discharge by Vagin, N. P., Ionin, A. A., Kochetov, I. V., Napartovich, A. P., Sinitsyn, D. V., Yuryshev, N. N.

“…The existing kinetic model describing self-sustained and electroionization discharges in mixtures enriched with singlet oxygen has been modified to calculate…”
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Generation and detection of superstrong shock waves during ablation of an aluminum surface by intense femtosecond laser pulses by Ionin, A. A., Kudryashov, S. I., Makarov, S. V., Seleznev, L. V., Sinitsyn, D. V.

“…Superstrong shock waves of multimegabar level generated during ablation of an aluminum surface by intense (<1 PW/cm 2 ) femtosecond laser pulses have been…”
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