Prof. Kamel Äit-Ameur Profile

Prof. Kamel Äit-Ameur

Researcher at ENSICAEN

SPIE Involvement:

Author

Publications (32)

Proceedings Article | 22 April 2016 Paper

Intracavity generation of low-loss radial-order Laguerre-Gaussian modes using digital holograms

Teboho Bell, Kamel Äit-Ameur, Andrew Forbes, Sandile Ngcobo

Proceedings Volume 9727, 97271K (2016) https://doi.org/10.1117/12.2199421

KEYWORDS: Digital holography, Holograms, Resonators, Laser resonators, Spatial light modulators, Solid state lasers, Semiconductor lasers, Nd:YAG lasers, Gaussian beams

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Proceedings Article | 25 August 2015 Paper

Selective excitation and detection of higher-order doughnut laser modes as an incoherent superposition of two petals modes in a digital laser resonator

Sandile Ngcobo, Teboho Bell, Igor Litvin, Darryl Naidoo, Kamel Ait-Ameur, Andrew Forbes

Proceedings Volume 9581, 95810B (2015) https://doi.org/10.1117/12.2187892

KEYWORDS: Superposition, Laser resonators, Digital holography, Mirrors, Modes of laser operation, Spatial light modulators, Resonators, Holograms, Beam propagation method, Opacity

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Proceedings Article | 25 August 2015 Paper

Low-loss selective excitation of higher-order modes in a diode-pumped solid-state digital laser

Sandile Ngcobo, Teboho Bell, Kamel Ait-Ameur, Andrew Forbes

Proceedings Volume 9581, 95810S (2015) https://doi.org/10.1117/12.2195751

KEYWORDS: Digital holography, Laser resonators, Holograms, Spatial light modulators, Solid state lasers, Solid state physics, Semiconductor lasers, Laser damage threshold, Resonators, Holography

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SPIE Journal Paper | 6 July 2015

Radially polarized cylindrical vector beams from a monolithic microchip laser

Darryl Naidoo, Michael Fromager, Kamel Äit-Ameur, Andrew Forbes

OE, Vol. 54, Issue 11, 111304, (July 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.11.111304

KEYWORDS: Laser crystals, Crystals, Polarization, Beam shaping, Linear polarizers, Superposition, Polarizers, Gaussian beams, Diffractive optical elements, Optical engineering

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Proceedings Article | 3 March 2015 Paper

Improving the intensity of a focused laser beam

Sofiane Haddadi, Michael Fromager, Djelloul Louhibi, Abdelkrim Hasnaoui, Ali Harfouche, Emmanuel Cagniot, Kamel Äit-Ameur

Proceedings Volume 9343, 93431R (2015) https://doi.org/10.1117/12.2075578

KEYWORDS: Gaussian beams, Monochromatic aberrations, Laser applications, Laser marking, Collimation, Laser resonators, Binary data, Diffractive optical elements, Laser beam propagation, Wavefronts

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Proceedings Article | 3 March 2015 Paper

Generation of shape-invariant flat-top laser beams

Kamel Ait-Ameur, Darryl Naidoo, Sandile Ngcobo, Michael Fromager, Igor Litvin, Abdelkrim Hasnaoui, Ali Harfouche, Andrew Forbes

Proceedings Volume 9343, 93430P (2015) https://doi.org/10.1117/12.2075576

KEYWORDS: Mirrors, Gaussian beams, Near field optics, Laser resonators, Beam shaping, Interferometry, Near field, Spatial light modulators, Reflectivity, Laser beam propagation

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Proceedings Article | 1 May 2014 Paper

Interferometric beam shaping

A. Harfouche, B. Boubaha, M. Fromager, K. Aït-Ameur

Proceedings Volume 9135, 913512 (2014) https://doi.org/10.1117/12.2052896

KEYWORDS: Gaussian beams, Diffractive optical elements, Interferometry, Superposition, Beam shaping, Bessel beams, Laser applications, Laser systems engineering, Laser development, Diffraction

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Proceedings Article | 1 May 2014 Paper

Size measurement of a pure phase object

K. Äit-Ameur, M. Fromager, M. Brunel

Proceedings Volume 9132, 91320S (2014) https://doi.org/10.1117/12.2052858

KEYWORDS: Laser beam diagnostics, Picosecond phenomena, Gaussian beams, Photodiodes, Spatial light modulators, Image enhancement, Phase shifts, Diffraction, Collimation, Plasma display panels

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Proceedings Article | 1 May 2014 Paper

Reconstruction-free wavefront measurements with enhanced sensitivity

Thomas Godin, Michael Fromager, Emmanuel Cagniot, Marc Brunel, Kamel Aït-Ameur

Proceedings Volume 9132, 91320J (2014) https://doi.org/10.1117/12.2049695

KEYWORDS: Wavefronts, Sensors, Microlens, Wavefront sensors, Axicons, Spatial light modulators, Beam shaping, Zernike polynomials, Computer generated holography, Reconstruction algorithms

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Proceedings Article | 4 March 2014 Paper

Tuneable Gaussian to flat-top resonator by amplitude beam shaping using a digital laser

Sandile Ngcobo, Kamel Ait-Ameur, Igor Litvin, Abdelkrim Hasnaoui, Andrew Forbes

Proceedings Volume 8960, 89601L (2014) https://doi.org/10.1117/12.2038960

KEYWORDS: Laser resonators, Digital holography, Fourier transforms, Opacity, Resonators, Gaussian beams, Mirrors, Spatial light modulators, Tunable lasers, Near field

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Proceedings Article | 25 February 2014 Paper

Spatial superpositions of Gaussian beams

Darryl Naidoo, Thomas Godin, Michael Fromager, Kamel Aϊt-Ameur, Andrew Forbes

Proceedings Volume 8999, 89991J (2014) https://doi.org/10.1117/12.2039033

KEYWORDS: Gaussian beams, Spatial light modulators, Superposition, Phase shifts, Modulation, Beam shaping, Diffractive optical elements, Beam propagation method, Interferometry, Mach-Zehnder interferometers

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Proceedings Article | 22 February 2013 Paper

Selective excitation of higher-order modes in diode-pumped solid-state laser resonators

A. Forbes, S. Ngcobo, T. Godin, K. Ait-Ameur

Proceedings Volume 8600, 86000Y (2013) https://doi.org/10.1117/12.2011950

KEYWORDS: Mirrors, Resonators, Diode pumped solid state lasers, Photomasks, Nd:YAG lasers, Spherical lenses, Laser resonators, Beam propagation method, Crystals, Reflectivity

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Proceedings Article | 22 September 2011 Paper

Strong reducing of the laser focal volume

Thomas Godin, Sandile Ngcobo, Emmanuel Cagniot, Michael Fromager, Andrew Forbes, Kamel Aït-Ameur

Proceedings Volume 8130, 81300Q (2011) https://doi.org/10.1117/12.892150

KEYWORDS: Gaussian beams, Transmission electron microscopy, Laser applications, Diffractive optical elements, Super resolution, Spatial resolution, Microscopy, Diffraction, Prototyping, Confocal microscopy

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Proceedings Article | 7 September 2011 Paper

Generation of pure TEMp0 modes using a friendly intracavity laser beam shaping technique

Emmanuel Cagniot, Michael Fromager, Thomas Godin, Nicolas Passilly, Marc Brunel, Kamel Aït-Ameur

Proceedings Volume 8130, 813006 (2011) https://doi.org/10.1117/12.892146

KEYWORDS: Mirrors, Resonators, Crystals, Beam shaping, Lithium, Diffractive optical elements, Laser resonators, Lenses, Optimization (mathematics), Beam propagation method

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Proceedings Article | 7 September 2011 Paper

Intracavity vortex beam generation

Darryl Naidoo, Kamel Aït-Ameur, Andrew Forbes

Proceedings Volume 8130, 813009 (2011) https://doi.org/10.1117/12.902330

KEYWORDS: Resonators, Spatial light modulators, Superposition, Beam shaping, Holograms, Spiral phase plates, Digital holography, Gaussian beams, Laser resonators, Prisms

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Proceedings Article | 19 February 2011 Paper

Intra-cavity decomposition of a dual-directional laser beam

Darryl Naidoo, Andrew Forbes, Kamel Aït-Ameur, Michael Fromager

Proceedings Volume 7913, 79131F (2011) https://doi.org/10.1117/12.876855

KEYWORDS: Mirrors, Resonators, Laser beam propagation, Gaussian beams, Diffraction, Beam propagation method, Beam shaping, Output couplers, Radio propagation, Diffractive optical elements

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Proceedings Article | 19 February 2011 Paper

Constructing petal modes from the coherent superposition of Laguerre-Gaussian modes

Darryl Naidoo, Andrew Forbes, Kamel Ait-Ameur, Marc Brunel

Proceedings Volume 7913, 791304 (2011) https://doi.org/10.1117/12.876854

KEYWORDS: Superposition, Resonators, Laser resonators, Visualization, Prisms, Spatial light modulators, Computer simulations, Solid state lasers, Mirrors, Mode locking

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Proceedings Article | 24 August 2009 Paper

Some applications of binary Diffractive Optical Elements

K. Aït-Ameur, N. Passilly, M. Fromager, E. Cagniot

Proceedings Volume 7430, 74300P (2009) https://doi.org/10.1117/12.828143

KEYWORDS: Diffractive optical elements, Transmission electron microscopy, Polarization, Binary data, Beam propagation method, Diffraction, Beam shaping, Mirrors, Phase shifts, Gaussian beams

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Proceedings Article | 8 May 2008 Paper

Diffractive optical element for improving the Z-scan technique sensitivity

R. de Saint Denis, M. Fromager, E. Cagniot, K. Ait-Ameur

Proceedings Volume 6994, 69940I (2008) https://doi.org/10.1117/12.780266

KEYWORDS: Transmittance, Gaussian beams, Diffractive optical elements, Phase shifts, Diagnostics, Refraction, Nonlinear optics, Signal detection, Wavefronts, Etching

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Proceedings Article | 16 April 2008 Paper

Transverse mode analysis of a laser beam with a non-optical technique

R. de Saint Denis, M. Fromager, F. Porée, K. Ait-Ameur

Proceedings Volume 6998, 69980N (2008) https://doi.org/10.1117/12.780271

KEYWORDS: Semiconductor lasers, Neodymium, Amplifiers, CCD cameras, Vertical cavity surface emitting lasers, Photodiodes, Modulation, Diodes, Optoelectronic devices, Optical testing

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Proceedings Article | 9 June 2006 Paper

Use of simple diffractive optics for improving the dynamics of a self-Q-switched Cr:LiSAF laser

N. Passilly, M. Fromager, K. Aït-Ameur

Proceedings Volume 6054, 60540R (2006) https://doi.org/10.1117/12.660811

KEYWORDS: Mirrors, Pulsed laser operation, Rod lasers, Diffraction, Diffractive optical elements, Refractive index, Ions, Laser applications, Laser resonators, Q switches

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Proceedings Article | 1 September 2004 Paper

The phase slit: a new laser component

Nicolas Passilly, Laurence Mechin, Chantal Gunther, Kamel Ait-Ameur

Proceedings Volume 5456, (2004) https://doi.org/10.1117/12.545101

KEYWORDS: Gaussian beams, Beam shaping, Diffraction, Diffractive optical elements, Near field, Laser components, Glasses, Phase shifting, Binary data, Annealing

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Proceedings Article | 1 September 2004 Paper

Experimental and theoretical investigation of a nonlinear lensing effect observed in a Cr:LiSAF laser

Nicolas Passilly, Michael Fromager, Kamel Ait-Ameur, Richard Moncorge, Jean-Louis Doualan, Antoine Hirth, Greg Quarles

Proceedings Volume 5460, (2004) https://doi.org/10.1117/12.545009

KEYWORDS: Refractive index, Ions, Rod lasers, Chromium, Mirrors, Polarizability, Pulsed laser operation, Oscillators, Diagnostics, Photodiodes

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Proceedings Article | 1 September 2004 Paper

Brightness of diffracted laser beams

Nicolas Passilly, Gilles Martel, Kamel Ait-Ameur

Proceedings Volume 5456, (2004) https://doi.org/10.1117/12.545040

KEYWORDS: Laser beam propagation, Beam propagation method, Gaussian beams, Optical components, Laser applications, Superposition, Ion lasers, High power lasers, Resonators, Two wave mixing

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Proceedings Article | 8 July 2003 Paper

Phase aperture: a new laser component?

Kamel Ait-Ameur, M. Fromager

Proceedings Volume 5036, (2003) https://doi.org/10.1117/12.498461

KEYWORDS: Gaussian beams, Diffractive optical elements, Beam shaping, Laser components, Laser resonators, Diffraction, Mirrors, Ion lasers, Laser optics, Semiconductor lasers

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Proceedings Article | 8 July 2003 Paper

Generation of non-Gaussian fundamental modes in low-power end-pumped Nd:YVO4 microchip laser

Gilles Martel, C. Labbe, Francois Sanchez, M. Fromager, Kamel Ait-Ameur

Proceedings Volume 5036, (2003) https://doi.org/10.1117/12.498373

KEYWORDS: Crystals, Neodymium lasers, Laser damage threshold, Modes of laser operation, Microscopes, Output couplers, Laser crystals, Diffraction, Zoom lenses, Continuous wave operation

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Proceedings Article | 8 July 2003 Paper

Optical bistability in a bulk heavily doped Er:Yb:phosphate glass laser

M. Fromager, Kamel Ait-Ameur, Francois Sanchez, Gilles Martel

Proceedings Volume 5036, (2003) https://doi.org/10.1117/12.498335

KEYWORDS: Bistability, Glasses, Thermal effects, Laser glasses, Ytterbium, Ions, Erbium, Switches, Output couplers, Ion lasers

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Proceedings Article | 24 July 2002 Paper

Transverse mode discrimination from a nonapertured Fabry-Perot interferometer

Kamel Ait Ameur

Proceedings Volume 4751, (2002) https://doi.org/10.1117/12.475967

KEYWORDS: Reflectivity, Mirrors, Interferometers, Bistable lasers, Fabry–Perot interferometry, Gaussian beams, Phase shifts, Laser optics, Resonators, Transmission electron microscopy

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Proceedings Article | 24 July 2002 Paper

Circular and elliptic beam shaping using simple diffractive optics

M. Fromager, Kamel Ait Ameur, Francois Sanchez

Proceedings Volume 4751, (2002) https://doi.org/10.1117/12.475968

KEYWORDS: Gaussian beams, Diffractive optical elements, Beam shaping, Near field optics, Diffraction, Near field, Semiconductor lasers, Ion lasers, Laser resonators, Spherical lenses

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Proceedings Article | 24 July 2002 Paper

Self-Q-switching behavior of a Cr3+:LiSAF laser

M. Fromager, Kamel Ait Ameur

Proceedings Volume 4751, (2002) https://doi.org/10.1117/12.475946

KEYWORDS: Mirrors, Rod lasers, Ions, Pulsed laser operation, Crystals, Gain switching, Diffraction, Reflectivity, Refractive index, Chromium

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Proceedings Article | 29 December 1999 Paper

Local field correction to instability threshold in laser-Lorentz equations

Francois Sanchez, Marc Brunel, Gilles Martel, Kamel Ait Ameur

Proceedings Volume 4016, (1999) https://doi.org/10.1117/12.373642

KEYWORDS: Laser damage threshold, Laser stabilization, Spectroscopy, Lead, Bistable lasers, Photonic devices, Lithium, Polarization, Chromium, Differential equations

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Proceedings Article | 28 September 1998 Paper

Whispering-gallery-mode Nd-ZBLAN microlasers at 1.05 um

Francoise Lissillour, Kamel Ait Ameur, Nicolas Dubreuil, Guy Stephan, Marcel Poulain

Proceedings Volume 3416, (1998) https://doi.org/10.1117/12.323384

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Showing 5 of 32 publications

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