Dr. Alexander V. Lavrov Profile

Dr. Alexander V. Lavrov

at Instituto de Novas Tecnologias

SPIE Involvement:

Author

Publications (20)

Proceedings Article | 8 February 2011 Paper

Evaluation of oil spills by laser induced fluorescence spectra

Andrei Utkin, Alexander Lavrov, Rui Vilar

Proceedings Volume 7994, 799415 (2011) https://doi.org/10.1117/12.880750

KEYWORDS: Laser induced fluorescence, Water, LIDAR, Luminescence, Sensors, Pulsed laser operation, Spectroscopy, Surveillance, Ocean optics, Oceanography

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Proceedings Article | 8 February 2011 Paper

Active methods of early forest fire detection

Andrei Utkin, Alexander Lavrov, Rui Vilar

Proceedings Volume 7994, 799414 (2011) https://doi.org/10.1117/12.880743

KEYWORDS: LIDAR, Sensors, Surveillance, Signal to noise ratio, Signal detection, Eye, Flame detectors, Pulsed laser operation, Receivers, Target detection

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Proceedings Article | 22 April 2009 Paper

Experimental and theoretical investigation of forest fire detection by a portable eye-safe lidar operating at 1540 nm

Alexander Lavrov, Andrei Utkin, Rui Vilar

Proceedings Volume 7131, 71312J (2009) https://doi.org/10.1117/12.816515

KEYWORDS: LIDAR, Signal to noise ratio, Signal detection, Flame detectors, 3D modeling, Wind energy, Surveillance, Mathematical modeling, Combustion, Particles

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Proceedings Article | 18 April 2009 Paper

Automatic recognition of smoke-plume signatures in lidar signal

Andrei Utkin, Alexander Lavrov, Rui Vilar

Proceedings Volume 7131, 71312K (2009) https://doi.org/10.1117/12.816520

KEYWORDS: LIDAR, Detection and tracking algorithms, Signal detection, Interference (communication), Received signal strength, Surveillance, Receivers, Backscatter, Nonlinear optics, Error analysis

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Proceedings Article | 17 October 2006 Paper

Application of rangefinder for small forest fire detection

Andrei Utkin, Alexander Lavrov, Rui Vilar

Proceedings Volume 6359, 635915 (2006) https://doi.org/10.1117/12.687261

KEYWORDS: Signal to noise ratio, 3D modeling, Wind energy, Pulsed laser operation, Flame detectors, Distance measurement, Particles, Atmospheric modeling, Solids, Target detection

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Proceedings Article | 4 November 2004 Paper

Calculation of the optimal location and minimum number of lidar apparatuses required for early forest fire detection in hilly terrain

Armando Fernandes, Andrei Utkin, Alexander Lavrov, Rui Vilar

Proceedings Volume 5575, (2004) https://doi.org/10.1117/12.564792

KEYWORDS: LIDAR, Flame detectors, Visibility, Surveillance, Sensors, Combustion, Atmospheric monitoring, Tin, Particles, Chemistry

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Proceedings Article | 28 January 2002 Paper

Comparison of eye-safe UV and IR lidar for small forest-fire detection

Rui Vilar, Alexander Lavrov, Andrei Utkin, Armando Fernandes

Proceedings Volume 4542, (2002) https://doi.org/10.1117/12.454207

KEYWORDS: LIDAR, Signal to noise ratio, Ultraviolet radiation, Ruby lasers, Receivers, Backscatter, Laser energy, Sensors, Pulsed laser operation, Mass attenuation coefficient

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Proceedings Article | 14 January 2000 Paper

ATM GDL: new prospects for gas-dynamic laser

Victor Apollonov, Alexander Bersh, S. Chdanovitch, P. Drozdov, Alexej Egorov, P. Egoyanz, V. Feofilaktov, Valerii Ikonnikov, Vadim Kijko, Victor Kislov, A. Lavrov, V. Malyavine, A. Suzdaltsev, Yu Vagin

Proceedings Volume 3887, (2000) https://doi.org/10.1117/12.375179

KEYWORDS: Gas lasers, Combustion, Throat, Chemical reactions, Carbon dioxide lasers, Carbon dioxide, Chemical analysis, Carbon monoxide, Particles, High power lasers

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Proceedings Article | 17 December 1999 Paper

Application of lidar at 1.54 um for forest fire detection

Alexander Lavrov, Rui Vilar

Proceedings Volume 3868, (1999) https://doi.org/10.1117/12.373104

KEYWORDS: LIDAR, Particles, Backscatter, Receivers, Flame detectors, Combustion, Avalanche photodiodes, Nd:YAG lasers, Signal to noise ratio, Avalanche photodetectors

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Proceedings Article | 24 September 1999 Paper

Influence of charge transfer inefficiency in scanning CCD on the output signal of an acousto-optical LFM signal processor

Nelly Esepkina, Dmitrij Korneev, Alexander Lavrov

Proceedings Volume 3900, (1999) https://doi.org/10.1117/12.364537

KEYWORDS: Charge-coupled devices, Signal processing, Clocks, Adaptive optics, Acousto-optics, Electronic filtering, Neon, Image stacking, Frequency modulation, Modulation transfer functions

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Proceedings Article | 27 December 1996 Paper

Adaptive acousto-optical processor for chirps

Nelly Esepkina, Alexander Lavrov, Sergei Ivanov, Anton Matveev, Dmitrij Korneev

Proceedings Volume 2969, (1996) https://doi.org/10.1117/12.262613

KEYWORDS: Signal processing, Photodetectors, Charge-coupled devices, Signal detection, Prototyping, Modulators, Frequency modulation, Clocks, Spectrum analysis, Oscillators

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Proceedings Article | 27 December 1996 Paper

High-frequency resolution acousto-optical spectrum analyzer with semiconductor laser for radioastronomy

Nelly Esepkina, Sergey Kruglov, Alexander Lavrov, Mikhail Mansyrev, Galina Sotnikova

Proceedings Volume 2969, (1996) https://doi.org/10.1117/12.262561

KEYWORDS: Spectrum analysis, Acousto-optics, Semiconductor lasers, Radio astronomy, Adaptive optics, Charge-coupled devices, Photodetectors, Radio optics, Bragg cells, Data processing

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Proceedings Article | 1 March 1996 Paper

Numerical modeling of power and spectral characteristics of subsonic discharge CO laser

Alexander Lavrov, Galina Volchkova, Tatjana Bungova

Proceedings Volume 2713, (1996) https://doi.org/10.1117/12.234177

KEYWORDS: Gas lasers, Numerical modeling, Carbon monoxide, Resonators, Transparency, Chemistry, Pulsed laser operation, Molecules, Electrons, Plutonium

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Proceedings Article | 1 March 1996 Paper

Characteristics of a noncomplete combustion-driven downstream-mixing CO2-GDL

Valerii Ikonnikov, Peter Yegoyantc, Alexander Bersh, Tatjana Bungova, Alexander Lavrov

Proceedings Volume 2713, (1996) https://doi.org/10.1117/12.234174

KEYWORDS: Combustion, Carbon dioxide, Gas lasers, Carbon dioxide lasers, Data modeling, Carbon monoxide, 3D modeling, Nitrogen, Mathematical modeling, Liquids

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Proceedings Article | 31 March 1995 Paper

Two-dimensional model of the subsonic discharge CO laser

Alexander Lavrov, Galina Volchkova, Tatjana Bungova

Proceedings Volume 2502, (1995) https://doi.org/10.1117/12.204896

KEYWORDS: Gas lasers, Carbon monoxide, Mirrors, Continuous wave operation, Quantum electronics, Electrons, Protactinium, Laser systems engineering, Quantum efficiency, Lanthanum

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Proceedings Article | 30 December 1994 Paper

Chip-type optoelectronic processor for synthetic aperture radar system image formation

Nickolay Evtikhiev, Vadim Dolgy, Serguei Shestak, Nelly Esepkina, Alexander Lavrov, Vladimir Chernokozhin, B. Hotjanov

Proceedings Volume 2315, (1994) https://doi.org/10.1117/12.196738

KEYWORDS: Image processing, Optoelectronics, Signal processing, Synthetic aperture radar, Image acquisition, Light emitting diodes, Sensors, Charge-coupled devices, Optical correlators, Image resolution

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Proceedings Article | 29 June 1994 Paper

Acousto-optical processors for radioastronomy

Alexander Lavrov, Nelly Esepkina, Mikhail Mansyrev, Sergey Molodyakov, Igor Saenko

Proceedings Volume 2240, (1994) https://doi.org/10.1117/12.179117

KEYWORDS: Adaptive optics, Ions, Signal processing, Image processing, Bragg cells, Acousto-optics, Radio astronomy, Spectrum analysis, Spectrometers, Observatories

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Proceedings Article | 21 January 1994 Paper

Optoelectronic hybrid microscheme for synthetic aperture radar signal processing

Vadim Dolgy, Nickolay Evtikhiev, Alexander Korolev-Korotkov, S. Schestack, Nelly Esepkina, Alexander Lavrov, Victor Petrovsky, B. Hotjanov, Vladimir Chernokozhin

Proceedings Volume 2051, (1994) https://doi.org/10.1117/12.166024

KEYWORDS: Light emitting diodes, Synthetic aperture radar, Signal processing, Charge-coupled devices, Optoelectronics, Fiber optics, Scientific research, Positron emission tomography, Matrices, Photodetectors

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Proceedings Article | 24 August 1992 Paper

SAR system optoelectronic compact processor with LEDs array

Nickolay Evtikhiev, Vadim Dolgiy, Alexander Korolev-Korotkov, Nelly Esepkina, Alexander Lavrov

Proceedings Volume 1704, (1992) https://doi.org/10.1117/12.139883

KEYWORDS: Light emitting diodes, Synthetic aperture radar, Signal processing, Image processing, Signal detection, Optoelectronics, Radar signal processing, Array processing, Optical components, Radar

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Proceedings Article | 24 August 1992 Paper

Adaptive acousto-optical processor for observations of radio emission from pulsars

Nelly Esepkina, Alexander Lavrov, Michail Ananyev, Nickolay Evtikhiev

Proceedings Volume 1704, (1992) https://doi.org/10.1117/12.139909

KEYWORDS: Ions, Bragg cells, Signal to noise ratio, Signal processing, Receivers, Electronic filtering, Optical signal processing, Modulation, Adaptive optics, Radio optics

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Showing 5 of 20 publications

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