Mr. Alexei Tsekoun Profile

Alexei Tsekoun

Optoelectronic Engineer

SPIE Involvement:

Author

Publications (11)

Proceedings Article | 4 March 2013 Paper

Multiwatt long wavelength quantum cascade lasers based on high strain composition with 70% injection efficiency

Arkadiy Lyakh, Richard Maulini, Alexei Tsekoun, Rowel Go, C. Kumar N. Patel

Proceedings Volume 8640, 864019 (2013) https://doi.org/10.1117/12.2000423

KEYWORDS: Quantum cascade lasers, Electroluminescence, Pulsed laser operation, Long wavelength infrared, Waveguides, Mid-IR, Transparency, Laser damage threshold, Continuous wave operation, Laser development

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Proceedings Article | 24 May 2012 Open Access

QCL as a game changer in MWIR and LWIR military and homeland security applications

C. Kumar Patel, Arkadiy Lyakh, Richard Maulini, Alexei Tsekoun, Boris Tadjikov

Proceedings Volume 8373, 83732E (2012) https://doi.org/10.1117/12.920476

KEYWORDS: Quantum cascade lasers, Mid-IR, Explosives, Long wavelength infrared, Sensors, Laser sources, Laser applications, Standoff detection, Carbon dioxide lasers

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Proceedings Article | 26 May 2011 Paper

Integrated multispectral high-power laser platform for the defeat of heat-seeking missiles

Boris Tadjikov, Alexei Tsekoun, Arkadiy Lyakh, Richard Maulini, Rodolfo Barron, C. Kumar Patel

Proceedings Volume 8039, 80390S (2011) https://doi.org/10.1117/12.884262

KEYWORDS: Quantum cascade lasers, Missiles, High power lasers, Reliability, Heatsinks, Defense and security, Laser systems engineering, Mid-IR, Laser applications, Lasers

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Proceedings Article | 17 February 2011 Paper

Multi-watt level short wavelength quantum cascade lasers

Arkadiy Lyakh, Richard Maulini, Alexei Tsekoun, Rowel Go, C. Kumar Patel

Proceedings Volume 7953, 79531L (2011) https://doi.org/10.1117/12.872739

KEYWORDS: Quantum cascade lasers, Continuous wave operation, Pulsed laser operation, Laser processing, Atmospheric propagation, Mirrors, Reliability, Molecular beam epitaxy, Laser systems engineering, Geometrical optics

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SPIE Journal Paper | 1 November 2010

Progress in high-performance quantum cascade lasers

Arkadiy Lyakh, Richard Maulini, Alexei Tsekoun, Chandra Kumar Patel

OE, Vol. 49, Issue 11, 111105, (November 2010) https://doi.org/10.1117/12.10.1117/1.3506192

KEYWORDS: Quantum cascade lasers, Continuous wave operation, Waveguides, Aluminum nitride, Mirrors, Antireflective coatings, Reliability, Pulsed laser operation, High power lasers

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Proceedings Article | 26 September 2009 Paper

High power, high efficiency quantum cascade laser systems for directional infrared countermeasures and other defense and security applications

Richard Maulini, Arkadiy Lyakh, Alexei Tsekoun, Rowel Go, Michael Lane, Tyson Macdonald, C. Kumar Patel

Proceedings Volume 7483, 74830D (2009) https://doi.org/10.1117/12.830228

KEYWORDS: Quantum cascade lasers, Diamond, High power lasers, Continuous wave operation, Infrared countermeasures, Aluminum nitride, Mid-IR, Quantum efficiency, Laser systems engineering

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Proceedings Article | 29 August 2009 Paper

New midwave infrared laser sources for defense and security needs

Arkadiy Lyakh, Richard Maulini, Rowel Go, Alexei Tsekoun, C. Kumar Patel

Proceedings Volume 7434, 74340I (2009) https://doi.org/10.1117/12.826595

KEYWORDS: Quantum cascade lasers, Structural design, Mid-IR, Laser development, Laser countermeasures, Defense and security, Infrared radiation, Infrared countermeasures, Continuous wave operation

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Proceedings Article | 29 August 2009 Paper

Compact, rapid, and rugged detector of military and improvised explosives based on external grating cavity quantum cascade lasers

Alexei Tsekoun, Ilya Dunayevskiy, Richard Maulini, Rodolfo Barron-Jimenez, Arkadiy Lyakh, C. Kumar Patel

Proceedings Volume 7434, 74340J (2009) https://doi.org/10.1117/12.826623

KEYWORDS: Explosives, Absorption, Sensors, Quantum cascade lasers, Environmental sensing, Explosives detection, Spectroscopy, Infrared spectroscopy, Molecules

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Proceedings Article | 7 May 2009 Paper

High power and efficiency quantum cascade laser systems for defense and security applications

A. Tsekoun, A. Lyakh, R. Maulini, M. Lane, T. Macdonald, R. Go, C. Kumar Patel

Proceedings Volume 7325, 73250L (2009) https://doi.org/10.1117/12.820236

KEYWORDS: Quantum cascade lasers, Laser systems engineering, Defense and security, Packaging, Fiber optic illuminators, Reliability, High power lasers, Quantum efficiency, Collimation, Defense systems

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Proceedings Article | 29 January 2008 Paper

Intracavity amplitude modulation of quantum-cascade lasers using intersubband absorption in the active region under reverse bias

Arkadiy Lyakh, Richard Maulini, Alexei Tsekoun, Rowel Go, C. Kumar Patel

Proceedings Volume 6909, 690910 (2008) https://doi.org/10.1117/12.767838

KEYWORDS: Absorption, Modulation, Quantum cascade lasers, High dynamic range imaging, Waveguides, Modulators, Amplitude modulation, Laser energy, Resistance, Laser spectroscopy

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Proceedings Article | 10 February 2006 Paper

Improved performance of quantum cascade lasers via manufacturable quality epitaxial side down mounting process utilizing aluminum nitride heatsinks

Alexei Tsekoun, Rowel Go, Michael Pushkarsky, Manijeh Razeghi, C. Kumar Patel

Proceedings Volume 6127, 612702 (2006) https://doi.org/10.1117/12.640089

KEYWORDS: Quantum cascade lasers, Heatsinks, Aluminum nitride, Copper, Indium, Mid-IR, Manufacturing, High power lasers, Continuous wave operation

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Showing 5 of 11 publications

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