Mr. Guy Le Brun Profile

Guy Le Brun

at Univ de Bretagne Occidentale

SPIE Involvement:

Author

Publications (14)

Proceedings Article | 28 September 2018 Paper

Study of the degradation process of glass-ionomer cements by analysis of speckle field dynamics

Aicha El Cheikh, Valérie Chevalier, Maha Daou, Laurent Pino, Shabnam Arbab , Fabrice Pellen, Bernad Le Jeune , Guy Le Brun, Marie Abboud

Proceedings Volume 10834, 108342U (2018) https://doi.org/10.1117/12.2318693

KEYWORDS: Speckle, Cements, Composite resins, Composites, Glasses, Absorption, Image analysis, Analytical research, Electroluminescence, Dentistry

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Proceedings Article | 28 September 2018 Paper

Monitoring the hardening kinetics of glass-ionomer cements using temporal correlation of speckle patterns

Aicha El Cheikh, Fabrice Pellen, Bernard Le Jeune, Guy Le Brun, Marie Abboud

Proceedings Volume 10834, 108342V (2018) https://doi.org/10.1117/12.2318690

KEYWORDS: Speckle, Cements, Speckle pattern, Glasses, Metals, Ions, Light scattering, Electroluminescence, Materials processing, Image analysis

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Proceedings Article | 7 September 2018 Paper

Speckle imaging for monitoring the growth kinetics of Bacillus thuringiensis

Hadi Loutfi, Hassan Badawi, Fabrice Pellen, Bernard Le Jeune, Roger Lteif, Mireille Kallassy, Guy Le Brun, Marie Abboud

Proceedings Volume 10834, 108341C (2018) https://doi.org/10.1117/12.2318678

KEYWORDS: Speckle, Absorbance, Cameras, Speckle imaging, Optical testing, Bacteria, Electroluminescence, Crystals, Scattering, Particles

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SPIE Journal Paper | 22 December 2015 Open Access

Early diagnosis of teeth erosion using polarized laser speckle imaging

Christelle Abou Nader, Fabrice Pellen, Hadi Loutfi, Rassoul Mansour, Bernard Le Jeune, Guy Le Brun, Marie Abboud

JBO, Vol. 21, Issue 07, 071103, (December 2015) https://doi.org/10.1117/12.10.1117/1.JBO.21.7.071103

KEYWORDS: Teeth, Speckle, Polarization, Laser speckle imaging, Chromium, Scattering, Calcium, Tissues, Backscatter, Minerals

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Proceedings Article | 24 August 2015 Paper

Real-time monitoring of corks' water absorption using laser speckle temporal correlation

Rana Nassif, Christelle Abou Nader, Fabrice Pellen, Bernard Le Jeune, Guy Le Brun, Marie Abboud

Proceedings Volume 9660, 96600X (2015) https://doi.org/10.1117/12.2192077

KEYWORDS: Speckle, Absorption, Polarization, Laser applications, Polarizers, Speckle pattern, Water, Physics, Electroluminescence, Speckle metrology

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Proceedings Article | 24 August 2015 Paper

Analysis of the speckle pattern produced by mixtures of polystyrene microspheres: an attempt to explain fruits ripening process

Christelle Abou Nader, Rana Nassif, Fabrice Pellen, Bernard Le Jeune, Guy Le Brun, Marie Abboud

Proceedings Volume 9660, 96600D (2015) https://doi.org/10.1117/12.2187823

KEYWORDS: Particles, Speckle, Monte Carlo methods, Polarization, Laser scattering, Scattering, Speckle pattern, Polarizers, Refractive index, Molecules

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Proceedings Article | 11 September 2012 Paper

Laser speckle dynamic for monitoring fruits maturation

Rana Nassif, Fabrice Pellen, Christian Magne, Bernard Le Jeune, Guy Le Brun, Marie Abboud

Proceedings Volume 8413, 84131G (2012) https://doi.org/10.1117/12.975782

KEYWORDS: Speckle, Luminescence, Absorption, Biological research, Diffusion, Polarizers, Polarization, Spectroscopy, Cameras, Optical properties

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Proceedings Article | 1 October 2011 Paper

Snapshot Mueller polarimetry for biomedical diagnostic related to human liver fibrosis: evaluation of the method for biomedical assessments

P. Babilotte, M. Dubreuil, S. Rivet, Y. Lijour, D. Sevrain, L. Martin, G. Le Brun, Y. Le Grand, B. Le Jeune

Proceedings Volume 8172, 817206 (2011) https://doi.org/10.1117/12.896615

KEYWORDS: Polarimetry, Liver, Collagen, Palladium, Biomedical optics, Biopsy, Biological research, Statistical analysis, Birefringence, Tissues

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Proceedings Article | 15 September 2006 Paper

Speckle and polarization for biomedical applications

Y. Piederrière, F. Boulvert, G. Le Brun, B. Le Jeune, Y. Guern, J. Cariou

Proceedings Volume 6341, 634106 (2006) https://doi.org/10.1117/12.695257

KEYWORDS: Speckle, Polarization, Blood, Skin, Biomedical optics, Atomic force microscopy, Charge-coupled devices, Tissues, Laser applications, Polarization analysis

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Proceedings Article | 7 October 2005 Paper

OCT system with electro-dynamic shaker driven by a frequency-modulated waveform

F. Boulvert, S. Rivet, B. Le Jeune, G. Le Brun, F. Pellen, J. Cariou

Proceedings Volume 5861, 58610G (2005) https://doi.org/10.1117/12.632974

KEYWORDS: Modulation, Optical coherence tomography, Interferometry, Signal detection, Technetium, Amplifiers, Linear filtering, Microscopes, Radon, Skin

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SPIE Journal Paper | 1 March 2004 Open Access

Evaluation of blood plasma coagulation dynamics by speckle analysis

Yann Piederriere, Jack Cariou, Yves Guern, Guy Le Brun, Bernard Le Jeune, Jean Lotrian, Jean Abgrall, Maria Blouch

JBO, Vol. 9, Issue 02, (March 2004) https://doi.org/10.1117/12.10.1117/1.1645799

KEYWORDS: Speckle, Plasma, Blood, Atomic force microscopy, Signal processing, Time metrology, Laser scattering, Electronic filtering, Turbulence, Linear filtering

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Proceedings Article | 14 January 2002 Paper

Laser-induced fluorescence imaging: application to groups of macroalgae identification

Christelle Kieleck, Bruno Bousquet, Guy Le Brun, Jack Cariou, Jean Lotrian

Proceedings Volume 4488, (2002) https://doi.org/10.1117/12.452811

KEYWORDS: Luminescence, Laser induced fluorescence, Signal attenuation, Optical filters, Cameras, Optical parametric oscillators, Image filtering, In situ metrology, Diagnostics, Pulsed laser operation

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Proceedings Article | 22 July 1997 Paper

Navigation control with lidar, using polarimetric coding

Myriam Floc h, Guy Le Brun, Philippe Elies, Jack Cariou, Jean Lotrian

Proceedings Volume 3079, (1997) https://doi.org/10.1117/12.280909

KEYWORDS: Polarimetry, Target detection, LIDAR, Ocean optics, Dielectrics, Matrices, Polarizers, Palladium, Mueller matrices, Signal detection

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Proceedings Article | 8 December 1992 Paper

Analysis of polarization signature of immersed targets

Guy Le Brun, Bernard Le Jeune, Jack Cariou, Jean Lotrian

Proceedings Volume 1747, (1992) https://doi.org/10.1117/12.138821

KEYWORDS: Polarization, Remote sensing, Metals, Reflectivity, Statistical analysis, Image processing, Scattering, Polarizers, Polarimetry, Content addressable memory

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Showing 5 of 14 publications

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