Dr. Vladimir D. Dubrov Profile

Dr. Vladimir D. Dubrov

at Institute of Laser and Information Technologies

SPIE Involvement:

Author

Publications (23)

Proceedings Article | 21 June 2019 Paper

On modeling of heat transfer and molten pool behavior in multi-layer and multi-track laser additive manufacturing process

A. Dubrov, F. Kh. Mirzade, V. Dubrov

Proceedings Volume 11057, 110571Q (2019) https://doi.org/10.1117/12.2527605

KEYWORDS: Crystals, Particles, Metals, Additive manufacturing, Process modeling, Dendrites, Solids, Laser manufacturing, Laser processing

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Proceedings Article | 21 June 2019 Paper

Optical method of on-line temperature monitoring on the melt surface in laser metal deposition technology

Y. Zavalov, A. Dubrov, V. Dubrov

Proceedings Volume 11056, 1105633 (2019) https://doi.org/10.1117/12.2527636

KEYWORDS: Laser applications, Pyrometry, Sensors, Particles, Metals, Optical diagnostics, Temperature metrology, Head, Fiber lasers, Image sensors

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Proceedings Article | 21 June 2019 Paper

Optical methods of on-line diagnostics of processes of the Nickel alloy powder consolidation in the layer-by-layer laser melting technology

Y. Zavalov, A. Dubrov, V. Dubrov

Proceedings Volume 11056, 1105632 (2019) https://doi.org/10.1117/12.2527632

KEYWORDS: Laser applications, Pyrometry, Optical diagnostics, Photodiodes, Spatial light modulators, Nickel, Sensors, Metals, Diagnostics, Radiation effects

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Proceedings Article | 24 May 2018 Paper

The multichannel pyrometer of the spectral ratio for on-line monitoring in the powder bed additive technologies

Y. Zavalov, A. Dubrov, P. Rodin, F. Kh. Mirzade, V. Glebov, A. Malutin, G. Dubrov

Proceedings Volume 10677, 106772G (2018) https://doi.org/10.1117/12.2307578

KEYWORDS: Optical diagnostics, Photodiodes, Spatial light modulators, Reflection, Oxidation, Pyrometry, Laser applications, Radiation effects, Metals, Optical fibers

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Proceedings Article | 22 May 2018 Paper

On multi-scale modelling of dendrite growth during laser metal deposition process

A. Dubrov, F. Mirzade, V. Dubrov

Proceedings Volume 10675, 1067514 (2018) https://doi.org/10.1117/12.2307555

KEYWORDS: Dendrites, Crystals, Metals, Particles, Interfaces, 3D modeling, Modeling, Numerical simulations

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Proceedings Article | 22 May 2018 Paper

Numerical simulation of thermal behavior for process parameters optimization in laser additive manufacturing

A. Dubrov, F. Mirzade, V. Dubrov, P. Rodin

Proceedings Volume 10675, 1067513 (2018) https://doi.org/10.1117/12.2307535

KEYWORDS: Laser applications, Process modeling, Metals, Additive manufacturing, Laser processing, Absorption, Laser manufacturing, Numerical simulations

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Proceedings Article | 22 May 2018 Paper

On numerical modeling of heat transfer and fluid flow in selective laser melting of metal powder bed

F. Mirzade, A. Dubrov, V. Dubrov

Proceedings Volume 10675, 1067512 (2018) https://doi.org/10.1117/12.2307530

KEYWORDS: Liquids, Metals, Solids, Particles, Numerical modeling, Software development, Convection, Capillaries, Thermodynamics

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Proceedings Article | 22 May 2018 Paper

Temperature distribution of gas powder jet formed by coaxial nozzle in laser metal deposition

Y. Zavalov, A. Dubrov, P. Rodin, F. Mirzade, E. Makarova, N. Dubrovin, V. Dubrov

Proceedings Volume 10675, 1067511 (2018) https://doi.org/10.1117/12.2307511

KEYWORDS: Pyrometry, Metals, Radiation effects, Temperature metrology, Photodetectors, Photodiodes, Optical filters, Process control, Process modeling

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Proceedings Article | 26 June 2017 Paper

Features of the estimation of temperature distribution on the bead formed by the laser aided metal powder deposition

Yuri Zavalov, Alexander Dubrov, Fikret Kh. Mirzade, Vladimir Dubrov

Proceedings Volume 10329, 1032942 (2017) https://doi.org/10.1117/12.2270239

KEYWORDS: Laser applications, Diagnostics, Metals, Optical fibers, Carbon dioxide lasers, Sensors, Pyrometry, Temperature metrology, Laser optics, Infrared sensors, Infrared radiation, Additive manufacturing

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Proceedings Article | 26 June 2017 Paper

Evaluation of thermal behavior during laser metal deposition using optical pyrometry and numerical simulation

Alexander Dubrov, Yuri Zavalov, Fikret Mirzade, Vladimir Dubrov

Proceedings Volume 10330, 103301K (2017) https://doi.org/10.1117/12.2270269

KEYWORDS: Metals, Pyrometry, Numerical simulations, Carbon dioxide lasers, Convection, Laser applications, Laser energy, Thermography, Optical simulations, Digital micromirror devices, Mathematical modeling, Temperature metrology, 3D modeling, Process modeling, Lawrencium, Lanthanum, Additive manufacturing

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SPIE Journal Paper | 6 September 2012

Spectrum of temperature pulsations of the melt in gas-assisted cutting with fiber laser

Alexander Dubrov, Yury Zavalov, Vladimir Dubrov, Anatoly Grezev, Nikolay Grezev, Elena Makarova, Nickolay Dubrovin

OE, Vol. 51, Issue 9, 094301, (September 2012) https://doi.org/10.1117/12.10.1117/1.OE.51.9.094301

KEYWORDS: Laser cutting, Oxygen, Turbulence, Capillaries, Fiber lasers, Temperature metrology, Pyrometry, Laser applications, Metals, Laser processing

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Proceedings Article | 15 May 2012 Paper

Pyrometry diagnostic in laser cutting technology

Alexander Dubrov, Vladimir Dubrov, Yury Zavalov, Elena Makarova, Nickoly Dubrovin

Proceedings Volume 8433, 84330W (2012) https://doi.org/10.1117/12.923016

KEYWORDS: Laser cutting, Capillaries, Temperature metrology, Turbulence, Pyrometry, Absorption, Oxygen, Metals, Fiber lasers, Laser applications

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Proceedings Article | 9 June 2006 Paper

Influence of nonuniform heat-releasing on optical inhomogeneities of active medium turbulent flow in high power CO₂ laser

V. Ya. Panchenko, Yu. Zavalov, M. Galushkin, V. Dubrov, R. Grishaev

Proceedings Volume 6053, 60530K (2006) https://doi.org/10.1117/12.660312

KEYWORDS: Carbon dioxide lasers, Turbulence, High power lasers, Gas lasers, Active optics, Laser resonators, Polonium, Laser applications, Refraction, Refractive index

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Proceedings Article | 12 October 2005 Paper

Gas laser cutting of metal with oxygen concentration control in assist gas mixture

A. Antonov, M. Galushkin, V. Dubrov, N. Dubrovin, E. Dubrovina, V. Ya. Panchenko

Proceedings Volume 5958, 595835 (2005) https://doi.org/10.1117/12.622135

KEYWORDS: Oxygen, Laser cutting, Metals, Nitrogen, Gas lasers, Gases, Oxides, Chemical reactions, Liquids, Oxidation

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Proceedings Article | 12 October 2005 Paper

The investigation of quality of active medium of FAF RF CO2 laser by luminescent method

V. Panchenko, R. Grishayev, Yu. Zavalov, V. Dubrov, E. Dubrovina

Proceedings Volume 5958, 59582Z (2005) https://doi.org/10.1117/12.622661

KEYWORDS: Gas lasers, Carbon monoxide, Turbulence, Continuous wave operation, Photodiodes, Refraction, Carbon dioxide lasers, Laser optics, Resonators, High power lasers

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Proceedings Article | 7 June 2005 Paper

The determination of transverse pulsations of turbulent flow velocity in fast-axial flow CO2 laser by phase-conjugation method

S. Buyarov, M. Galuskin, V. Dubrov, V. Panchenko, Yu. Zavalov

Proceedings Volume 5850, (2005) https://doi.org/10.1117/12.633732

KEYWORDS: Diffusion, Carbon dioxide lasers, Four wave mixing, Mirrors, Iris, Phase conjugation, Resonators, Interference (communication), Laser resonators, Diagnostics

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Proceedings Article | 23 March 2005 Paper

Turbulent flow structure of FAF CO2 laser active medium at nonuniform temperature and heat generation

Mikhail Galushkin, Vladimir Golubev, Yuri Zavalov, Vladimir Dubrov, Roman Grishaev, Sergey Buyarov

Proceedings Volume 5777, (2005) https://doi.org/10.1117/12.611040

KEYWORDS: Carbon dioxide lasers, Turbulence, Refractive index, Gas lasers, Temperature metrology, Ionization, Laser damage threshold, High power lasers, Pulsed laser operation, Refraction

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Proceedings Article | 21 June 2004 Paper

The investigation of turbulence in FAF CO₂ laser by phase-conjugation method

Sergey Buyarov, Mikhail Galushkin, Vladimir Dubrov, Vladislav Panchenko, Yuri Zavalov

Proceedings Volume 5449, (2004) https://doi.org/10.1117/12.563110

KEYWORDS: Carbon dioxide lasers, Diffusion, Gas lasers, Phase conjugation, Resonators, Mirrors, Turbulence, Four wave mixing, Interference (communication), Iris recognition

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Proceedings Article | 10 November 2003 Paper

The determination of turbulent parameters of active-medium flow of a CO2 laser by method of intra-cavity four-wave mixing

S. Buyarov, V. Dubrov, M. Galuskin, V. Golubev, R. Grishayev, Vladislav Panchenko, Yu. Zavalov

Proceedings Volume 5120, (2003) https://doi.org/10.1117/12.515475

KEYWORDS: Diffusion, Carbon dioxide lasers, Four wave mixing, Resonators, Mirrors, Sensors, Phase conjugation, Interference (communication), Silicon, Continuous wave operation

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Proceedings Article | 30 April 2002 Paper

Diagnostics of turbulent flow parmeters of active mixture in fast axial flow CO2 laser

S. Buyarov, V. Dubrov, Michail Galushkin, Vladimir Golubev, R. Grishayev, Andrei Ionin, Andrei Kotkov, Vladislav Panchenko, Yuri Zavalov

Proceedings Volume 4644, (2002) https://doi.org/10.1117/12.464130

KEYWORDS: Carbon dioxide lasers, Diffusion, Diagnostics, Mirrors, Four wave mixing, Resonators, Laser resonators, Photoresistors, High power lasers, Active optics

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Proceedings Article | 24 June 1998 Paper

High-power waveguide CO2 laser for formation of deep channels in biological tissue

Victor Vasiltsov, Vladimir Golubev, V. Dubrov, E. Egorov, Vladislav Panchenko, Alexandre Zabelin, Evgenii Zelenov, Alexander Kubyshkin, A. Roshin, Valerii Ulyanov

Proceedings Volume 3264, (1998) https://doi.org/10.1117/12.311910

KEYWORDS: Carbon dioxide lasers, Pulsed laser operation, Heart, Surgery, Laser tissue interaction, High power lasers, Tissues, Waveguides, Laser development, Mirrors

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Proceedings Article | 4 April 1997 Paper

Influence of external pressure and gas type on mechanism and velocity of metal punching with Nd:YAG-laser pulses

Alexander Banishev, Vladimir Golubev, V. Dubrov

Proceedings Volume 3093, (1997) https://doi.org/10.1117/12.271691

KEYWORDS: Pulsed laser operation, Laser scattering, Oxygen, Absorption, Iron, Titanium, Argon, Metals, Scattering, Tungsten

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Proceedings Article | 1 March 1996 Paper

Heterodyne diagnostics by Doppler signal of backscattering of near-surface flows induced by intense laser radiation

E. Chastookhin, V. Dubrov, Vyacheslav Gordienko, Alexei Konovalov, Nikolay Kurochkin, Vladislav Panchenko, Iouri Poutivski, V. Savin

Proceedings Volume 2713, (1996) https://doi.org/10.1117/12.234239

KEYWORDS: Doppler effect, Convection, Backscatter, Signal processing, Heterodyning, Tin, Velocity measurements, Diagnostics, Continuous wave operation, Carbon dioxide lasers

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Showing 5 of 23 publications

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