Search Results - "Coetmellec, S."

Simultaneous 3D location and size measurement of spherical bubbles using cylindrical interferometric out-of-focus imaging by Shen, H., Coetmellec, S., Brunel, M.

“…A cylindrical interferometric out-of-focus imaging set-up is presented for the characterization of spherical bubbles. The design of the set-up is realized…”
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Digital in-line holography: influence of the shadow density on particle field extraction by Malek, Mokrane, Allano, D, Coëtmellec, S, Lebrun, D

“…We have used a digital in-line holography system with numerical reconstruction for 3D particle field extraction. In this system the diffraction patterns…”
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Limits on rough-particle sizing with low-defocus interferometric imaging by Brunel, M., Ouldarbi, L., Shen, H., Gréhan, G., Coëtmellec, S.

“…We present a rigorous theoretical model for the influence of the aperture in interferometric out-of-focus imaging. We investigate the role of this effect on…”
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Interferometric out-of-focus imaging simulator for irregular rough particles by Brunel, M., Coetmellec, S., Gréhan, G., Shen, H.

“…We present the development of an original simulator to predict interferometric out-of-focus patterns created by irregular rough particles. Despite important…”
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Phase contrast metrology using digital in-line holography: General models and reconstruction of phase discontinuities by Brunel, M., Shen, H., Coetmellec, S., Lebrun, D., Ait Ameur, K.

“…General models are developed to describe in-line digital phase contrast experiments. They link analytically the reconstruction process and the different…”
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Digital in-line holography with a sub-picosecond laser beam by Nicolas, F., Coëtmellec, S., Brunel, M., Lebrun, D.

“…The diffraction of an ultrashort pulsed laser beam by an opaque particle is studied. The case of a pulse with a Gaussian spectrum is investigated analytically…”
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Generation of Diffraction-Compensated Beams With a Pigtailed Laser Diode by Brunel, M., Mgharaz, D., Coetmellec, S.

“…A new method to generate a diffraction-compensated beam at the output of a single-mode pigtailed laser diode is presented. It consists of positioning an opaque…”
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General formulation of digital in-line holography from correlation with a chirplet function by Coëtmellec, S., Verrier, N., Brunel, M., Lebrun, D.

“…Digital in-line holography is revisited to propose a mathematical model that describes the recording-reconstruction process as a linear shift-invariant system…”
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Assessment about Luneberg integrals and application to digital in-line holography by Coëtmellec, S., Lebrun, D., Brunel, M., E. M. Janssen, A. J.

“…In this publication, the Luneberg integrals are revisited and the conditions of the using of such integrals have been recalled. Additivity law of Luneberg’s…”
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Interferometric out-of-focus imaging for the 3D tracking of spherical bubbles in a cylindrical channel by Shen, H., Saengkaew, S., Gréhan, G., Coe¨tmellec, S., Brunel, M.

“…We present an original interferometric out-of-focus imaging set-up to track the 3D position and the size of spherical bubbles in a cylindrical channel…”
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Long time exposure digital in-line holography for 3-D particle trajectography by Lebrun, D, Méès, L, Fréchou, D, Coëtmellec, S, Brunel, M, Allano, D

“…One advantage of digital in-line holography is the ability for a user to know the 3-D location of a moving particle recorded at a given time. When the time…”
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Particle field digital holographic reconstruction in arbitrary tilted planes by Lebrun, Denis, Benkouider, A, Coëtmellec, S, Malek, M

“…Digital holography is applied to the reconstruction of small particles in a plane whose orientation is arbitrary as specified by the user. The diffraction…”
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Dual wavelength digital holography for 3D particle image velocimetry by Grare, S., Coëtmellec, S., Allano, D., Grehan, G., Brunel, M., Lebrun, D.

“…A multi-exposure digital in-line hologram of a moving particle field is recorded by two different wavelengths and at different times. As a result, during the…”
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Long exposure time Digital In-line Holography for the trajectography of micronic particles within a suspended millimetric droplet by Wichitwong, W., Coëtmellec, S., Lebrun, D., Allano, D., Gréhan, G., Brunel, M.

“…Digital In-line Holography is used for the three-dimensional tracking of micronic particles in a millimetric droplet. The 3D location of the inclusions is…”
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Digital in-line holography assessment for general phase and opaque particle by Coëtmellec, S., Wichitwong, W., Gréhan, G., Lebrun, D., Brunel, M., Janssen, A. J. E. M.

“…We propose using the circle polynomials to describe a particle’s transmission function in a digital holography setup. This allows both opaque and phase…”
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Formulation of in-line holography process by a linear shift invariant system: application to the measurement of fiber diameter by Malek, M., Coëtmellec, S., Allano, D., Lebrun, D.

“…In-line holograms of glass fibers are digitally recorded during the manufacturing fiberization process. The numerical reconstruction is realized by a wavelet…”
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Digital in-line holography in a droplet with cavitation air bubbles by Coëtmellec, S., Pejchang, D., Allano, D., Gréhan, G., Lebrun, D., Brunel, M., Janssen, A. J. E. M.

“…In this publication, the modelisation of an air bubble as inclusion in a droplet is treated from scalar theory point of view (Fresnel’s theory). The elaborated…”
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Suppression of the Moiré effect in sub-picosecond digital in-line holography by Nicolas, F, Coëtmellec, S, Brunel, M, Lebrun, D

“…Digital in-line holography is widely used in flow studies where the 3D position, size and velocity of particles or fibers have to be known at a given time…”
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Extended ABCD matrix formalism for the description of femtosecond diffraction patterns; application to femtosecond digital in-line holography with anamorphic optical systems by Brunel, Marc, Shen, Huanhuan, Coetmellec, Sebastien, Lebrun, Denis

“…We present a new model to predict diffraction patterns of femtosecond pulses through complex optical systems. The model is based on the extension of an ABCD…”
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Digital in-line holography with a spatially partially coherent beam by Coëtmellec, S., Remacha, C., Brunel, M., Lebrun, D., Janssen, A. J. E. M.

“…We propose in this paper an analytical solution to the problem of scalar diffraction of a partially coherent beam by an opaque disk. This analytical solution…”
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