Mr. Karl-Alexandre Jahjah Profile

Karl-Alexandre Jahjah

Masters Student

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Publications (9)

Proceedings Article | 14 June 2023 Presentation + Paper

Development of a test bench for the assessment of digital processing efficiency in thermal imaging systems

Antoine Grégoire, Nathalie Roy, Michel Dupuis, Simon Potvin, Karl-Alexandre Jahjah, Jean-Claude Bouchard, Anne Martel, Jean Lacoursière

Proceedings Volume 12533, 125330U (2023) https://doi.org/10.1117/12.2663475

KEYWORDS: Thermography, Infrared imaging, Digital image processing, Image processing, Imaging systems, Image quality

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Proceedings Article | 14 June 2023 Presentation + Paper

Overview of novel testing capabilities to characterize EO military systems

N. Roy, S. Potvin, M. Dupuis, A. Martel, J.-C. Bouchard, A. Grégoire, H. Bergeron, K.-A. Jahjah, D. St-Germain

Proceedings Volume 12533, 125330S (2023) https://doi.org/10.1117/12.2663476

KEYWORDS: Night vision goggles, Opacity, Night vision, Standards development, Night vision systems, Thermal imaging cameras

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Proceedings Article | 13 October 2015 Paper

Time-resolved multispectral imaging of combustion reactions

Alexandrine Huot, Marc-André Gagnon, Karl-Alexandre Jahjah, Pierre Tremblay, Simon Savary, Vincent Farley, Philippe Lagueux, Éric Guyot, Martin Chamberland, Frédérick Marcotte

Proceedings Volume 9648, 964803 (2015) https://doi.org/10.1117/12.2194854

KEYWORDS: Optical filters, Combustion, Multispectral imaging, Cameras, Infrared imaging, Infrared radiation, Carbon dioxide, Thermography, Gases, Mid-IR

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Proceedings Article | 12 May 2015 Paper

Time-resolved multispectral imaging of combustion reaction

Alexandrine Huot, Marc-André Gagnon, Karl-Alexandre Jahjah, Pierre Tremblay, Simon Savary, Vincent Farley, Philippe Lagueux, Éric Guyot, Martin Chamberland, Fréderick Marcotte

Proceedings Volume 9485, 94851C (2015) https://doi.org/10.1117/12.2177258

KEYWORDS: Combustion, Optical filters, Cameras, Multispectral imaging, Infrared imaging, Carbon dioxide, Thermography, Infrared radiation, Image filtering, Gases

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Proceedings Article | 18 November 2014 Paper

Time-resolved thermal infrared multispectral imaging of gases and minerals

Marc-Andre Gagnon, Karl-Alexandre Jahjah, Frédéric Marcotte, Pierre Tremblay, Vincent Farley, Martin Chamberland

Proceedings Volume 9263, 92630G (2014) https://doi.org/10.1117/12.2067430

KEYWORDS: Optical filters, Multispectral imaging, Infrared radiation, Minerals, Quartz, Infrared imaging, Thermography, Cameras, Imaging systems, Image filtering

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Proceedings Article | 7 October 2014 Paper

Time-resolved thermal infrared multispectral imaging of gases and minerals

Marc-André Gagnon, Karl-Alexandre Jahjah, Frédérick Marcotte, Pierre Tremblay, Vincent Farley, Éric Guyot, Martin Chamberland

Proceedings Volume 9249, 92490U (2014) https://doi.org/10.1117/12.2064611

KEYWORDS: Optical filters, Multispectral imaging, Infrared radiation, Infrared imaging, Minerals, Quartz, Thermography, Imaging systems, Cameras, Image filtering

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Proceedings Article | 24 June 2014 Paper

Time-resolved thermal infrared multispectral imaging of gases and minerals

Marc-André Gagnon, Karl-Alexandre Jahjah, Frédéric Marcotte, Pierre Tremblay, Vincent Farley, Martin Chamberland

Proceedings Volume 9070, 90700J (2014) https://doi.org/10.1117/12.2050569

KEYWORDS: Optical filters, Multispectral imaging, Infrared radiation, Quartz, Infrared imaging, Thermography, Minerals, Cameras, Imaging systems, Image filtering

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Proceedings Article | 5 August 2009 Paper

Two-photon absorption and emission in doped fibers

Karl-Alexandre Jahjah, M. Piché

Proceedings Volume 7386, 738635 (2009) https://doi.org/10.1117/12.839694

KEYWORDS: Amplifiers, Absorption, Mathematical modeling, Photons, Nonlinear optics, Optical amplifiers, Optical fibers, Fiber amplifiers, Mode locking, Modulation

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Proceedings Article | 12 August 2008 Paper

Nonlinear effects in optical fibers using a high-power Er-doped femtosecond fiber laser

Karl-Alexandre Jahjah, Louis Desbiens, M. Piché

Proceedings Volume 7099, 70992N (2008) https://doi.org/10.1117/12.808280

KEYWORDS: Optical fibers, Absorption, Visible radiation, Mid-IR, Nonlinear optics, Femtosecond fiber lasers, Supercontinuum generation, Fiber lasers, Dispersion, Silica

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Showing 5 of 9 publications

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