Dr. Thomas Bégou Profile

Dr. Thomas Bégou

PhD Student at Institut Fresnel

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Author

Publications (14)

Proceedings Article | 13 December 2020 Presentation

Magnetron sputtering technology for the fabrication of linearly variable filters

Thomas Bégou, Frédéric Lemarquis, Antonin Moreau, Fabien Lemarchand, Holger Reus, Detlef Arhilger, Harro Hagedorn, Julien Lumeau

Proceedings Volume 11451, 114511H (2020) https://doi.org/10.1117/12.2562192

KEYWORDS: Sputter deposition, Camera shutters, Linear filtering, Bandpass filters, Plasma, Optical filters, Imaging systems, Mirrors, Image filtering, Spectrophotometry

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Proceedings Article | 20 August 2020 Presentation

Enhanced total internal reflection fluorescence imaging based on dielectric resonant multilayers for multimodal fluorescence microscopy

Aude Lereu, Anita Mouttou, Fabien Le Marchand, Thomas Begou, Antonin Moreau, Delphine Muriaux, Julien Lumeau, Cyril Favard

Proceedings Volume 11461, 114610E (2020) https://doi.org/10.1117/12.2567941

KEYWORDS: Luminescence, Dielectrics, Microscopy, Signal processing, Image processing, Adaptive optics, Cell biology, Glasses, Statistical modeling, Photonics

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Proceedings Article | 12 July 2019 Open Access

Broadband antireflection coatings for visible and infrared ranges

F. Lemarquis, T. Begou, J. Ruscica, D. Turover, J. Lumeau

Proceedings Volume 11180, 1118043 (2019) https://doi.org/10.1117/12.2536066

KEYWORDS: Antireflective coatings, Niobium, Glasses, Reflection, Refractive index, Visible radiation, Zinc, Optical coatings, Silica, Infrared radiation

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Proceedings Article | 12 July 2019 Open Access

Linearly variable filters fabricated by magnetron sputtering technology

Thomas Bégou, Frédéric Lemarquis, Antonin Moreau, Fabien Lemarchand, Holger Reus, Detlef Arhilger, Harro Hagedorn, Julien Lumeau

Proceedings Volume 11180, 1118084 (2019) https://doi.org/10.1117/12.2536211

KEYWORDS: Optical filters, Bandpass filters, Sputter deposition, Linear filtering, Niobium, Camera shutters, Plasma, Imaging systems, Image filtering, Refractive index

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Proceedings Article | 17 November 2017 Open Access

Optical filters for UV to near IR space applications

T. Begou, H. Krol, Christophe Hecquet, C. Bondet, J. Lumeau, C. Grèzes-Besset, M. Lequime

Proceedings Volume 10563, 1056306 (2017) https://doi.org/10.1117/12.2304155

KEYWORDS: Optical filters, Ultraviolet radiation, Optical filtering, Sputter deposition, Astronomical imaging, Plasma, Refractive index, Glasses, Light scattering, Niobium

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Proceedings Article | 17 November 2017 Open Access

Multispectral filters assemblies for earth remote sensing imagers

R. Le Goff, H. Krol, C. Grèzes-Besset, M. Lequime, T. Bégou, C. Hecquet, M. Zerrad, B. Badoil, G. Montay, K. Gasc

Proceedings Volume 10563, 1056305 (2017) https://doi.org/10.1117/12.2304107

KEYWORDS: Semiconducting wafers, Optical filters, Glasses, Sensors, Optical coatings, Manufacturing, Transmittance, Astronomical imaging, Charge-coupled devices, Remote sensing

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Proceedings Article | 25 September 2017 Open Access

Mechanical stress in dielectric mirrors: towards a fine control of the flatness

Thomas Begou, Julien Lumeau

Proceedings Volume 10562, 105621F (2017) https://doi.org/10.1117/12.2296090

KEYWORDS: Data modeling, Mirrors, Niobium, Astronomical imaging, Dielectric mirrors, Refractive index, Sputter deposition, Statistical modeling, Optical components, Plasma

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Proceedings Article | 25 September 2017 Open Access

New approaches for the design and the fabrication of pixelated filters

J. Lumeau, F. Lemarquis, T. Begou, K. Mathieu, I. Savin De Larclause, J. Berthon

Proceedings Volume 10562, 105621G (2017) https://doi.org/10.1117/12.2296134

KEYWORDS: Optical filters, Bandpass filters, Linear filtering, Astronomical imaging, Signal to noise ratio, Plasma, Mirrors, Refractive index, Glasses, Thin films

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Proceedings Article | 2 October 2015 Paper

Analysis of energy deposition and damage mechanisms in single layer optical thin films irradiated by IR and UV femtosecond pulses

Dam Bé Douti, Laurent Gallais, Christophe Hecquet, Thomas Bégou, Julien Lumeau, Mireille Commandré

Proceedings Volume 9627, 962718 (2015) https://doi.org/10.1117/12.2192983

KEYWORDS: Thin films, Ultraviolet radiation, Laser damage threshold, Laser induced damage, Absorption, Silica, Ions, Ionization, UV optics, Femtosecond phenomena

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Proceedings Article | 23 September 2015 Paper

Complex optical interference filter with stress compensation

Thomas Begou, Hélène Krol, Dragan Stojcevski, Fabien Lemarchand, Michel Lequime, Catherine Grezes-Besset, Julien Lumeau

Proceedings Volume 9627, 96270R (2015) https://doi.org/10.1117/12.2191967

KEYWORDS: Optical filters, Silica, Optics manufacturing, Sputter deposition, Plasma, Interference filters, Refractive index, Optical components, Light sources, Glasses

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Proceedings Article | 23 September 2015 Paper

Ultra-wide range system for the spectral transmission measurement of complex optical filters

Simona Liukaityte, Michel Lequime, Myriam Zerrad, Thomas Begou, Julien Lumeau, Claude Amra

Proceedings Volume 9627, 96271A (2015) https://doi.org/10.1117/12.2191366

KEYWORDS: Absorbance, Transmittance, Manufacturing, Collimators, Optical testing, Camera shutters, Optics manufacturing, Beam splitters, Signal to noise ratio, CCD cameras

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Proceedings Article | 23 September 2015 Paper

Measurements of angular and spectral resolved scattering on complex optical coatings

S. Liukaityte, M. Zerrad, M. Lequime, T. Bégou, C. Amra

Proceedings Volume 9627, 96271B (2015) https://doi.org/10.1117/12.2191227

KEYWORDS: Scattering, Light scattering, Optical components, Metrology, Optical coatings, Charge-coupled devices, Collimators, Calibration, Bidirectional reflectance transmission function, Optical filters

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Proceedings Article | 31 October 2014 Paper

UV to IR laser damage of Magnetron Sputtering films submitted to multiple sub-picosecond pulses

Dam-Bé Douti, Christophe Hecquet, Thomas Bégou, Mireille Commandré, Laurent Gallais

Proceedings Volume 9237, 92370I (2014) https://doi.org/10.1117/12.2068176

KEYWORDS: Silica, Sputter deposition, Ultraviolet radiation, Laser induced damage, Refractive index, Laser damage threshold, Infrared lasers, Thin films, Neodymium, Plasma

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Proceedings Article | 29 August 2008 Paper

Integrated optics based on plasma processed dielectric materials

T. Begou, B. Bêche, J. P. Landesman, E. Gaviot, A. Soussou, K. Makaoui, M. P. Besland, A. Granier, A. Goullet

Proceedings Volume 7067, 706705 (2008) https://doi.org/10.1117/12.793690

KEYWORDS: Waveguides, Refractive index, Plasma, Plasma enhanced chemical vapor deposition, Titanium, Cladding, FT-IR spectroscopy, Integrated optics, Dielectrics, Titanium dioxide

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Showing 5 of 14 publications

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