Zobrazeno 1 - 10 of 89 pro vyhledávání: '"Olivier Emile"'
1
Akademický článek
The Arago–Poisson Spot: New Applications for an Old Concept
Autor: Olivier Emile, Janine Emile
Publikováno v: Photonics, Vol 11, Iss 1, p 55 (2024)
Herein, we report some specific properties and applications of the so-called Arago–Poisson spot in optics. This spot results from the diffraction of a plane wave by an occulting disk that leads to a small bright spot in its shadow. We discuss some
Externí odkaz: https://doaj.org/article/4b2c9745d4264f79b7641119c02723ec
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2
Akademický článek
Optical orbital angular momentum transfer to electronic currents
Autor: Olivier Emile, Janine Emile
Publikováno v: New Journal of Physics, Vol 25, Iss 12, p 123055 (2024)
Light orbital angular momentum (OAM) is transformed into an electronic current loop in a copper coil, by absorption of the optical radiation. The measurement of this current, that is in the 10 ^−17 A range, makes it possible to evaluate and quantif
Externí odkaz: https://doaj.org/article/3ea3de2f8bf74bb1a5c6bf5beabe27ce
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3
Akademický článek
Dynamics and detection of the Newton-Wigner time delays at interfaces using a swivelling method
Autor: Albert Le Floch, Olivier Emile, Guy Ropars, Govind P. Agrawal
Publikováno v: Scientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
Abstract Evanescent waves are ubiquitous at interfaces with optical, seismic or acoustic waves, and also with electron, neutron or atom beams. Newton was the first to suspect that both small time delays and spatial shifts exist during total internal
Externí odkaz: https://doaj.org/article/405dd1be195045a487aefd88398fa61b
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4
Frequency changes during the propagation of a light beam
Autor: Olivier Emile, Janine Emile
Publikováno v: EPL-Europhysics Letters
EPL-Europhysics Letters, 2022, 139 (3), pp.35001. ⟨10.1209/0295-5075/ac7dfa⟩
The energy and therefore the frequency of electromagnetic fields are quantities which are generally considered to be conserved in free space propagation. However, we observe here a frequency varying optical wave in free space propagation. The light c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf220e045bc1bb3a0d1bd425e8fd6065
https://univ-rennes.hal.science/hal-03903383/document
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5
Rotational Doppler shift of the light transmitted behind a rotating object with rotational symmetries: rotational Doppler shift of the transmitted light
Autor: Olivier Emile, Janine Emile, Christian Brousseau, Tangi le Guennic, Pu Jian, Guillaume Labroille
Publikováno v: The European Physical Journal D : Atomic, molecular, optical and plasma physics
The European Physical Journal D : Atomic, molecular, optical and plasma physics, 2022, 76 (1), pp.8. ⟨10.1140/epjd/s10053-022-00338-1⟩
International audience; We investigate both theoretically and experimentally the decomposition of a fundamental Gaussian beam transmitted behind an absorbing propeller-like object. We use a Laguerre Gaussian basis which modes carry orbital angular mo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::581d1085363217a31666c4c941fdcd81
https://hal.science/hal-03552800
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6
Transverse Doppler effect due to Gaussian beams
Autor: Olivier Emile, Janine Emile
Publikováno v: Optics Letters
Optics Letters, 2023, 48 (3), pp.546-549. ⟨10.1364/OL.480549⟩
International audience; We report on the observation of a transverse Doppler shift in the optical domain. It occurs when a receiving system travels perpendicularly to the propagation direction of a Gaussian beam. Shifts of a few tens of Hz have been
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf664d8cb20fdfd03db5742617b80a18
https://doi.org/10.1364/ol.480549
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7
Effet Doppler rotationnel, en configuration bistatique, sur un objet en forme d'hélice
Autor: Olivier, Emile, Brousseau, Christian, Emile, Janine
Publikováno v: Propagation Radioélectrique, Caractérisation de l'environnement
Propagation Radioélectrique, Caractérisation de l'environnement, Nov 2021, Cesson Sévigné, France
National audience; La lumière issue du mode Gaussien fondamental d'un laser est collectée derrière un objet simulant une hélice. La décomposition est faite dans une base de mode de Laguerre Gauss. Ces modes transportent du moment angulaire orbit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::f302b161a6d2164f8c40e7f7d71efd8a
https://hal-univ-rennes1.archives-ouvertes.fr/hal-03481649
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8
Rotational Doppler effect on reflection upon an ideal rotating propeller
Autor: Olivier Emile, Janine Emile, Christian Brousseau, Tangi le Guennic, Pu Jian, Guillaume Labroille
Publikováno v: Journal of the Optical Society of America B
Journal of the Optical Society of America B, 2022, 39 (7), pp.1945-1949. ⟨10.1364/JOSAB.461445⟩
International audience; The rotational Doppler shift is the counterpart of the usual linear Doppler effect for rotating bodies. We study by an experimental approach coupled with theoretical considerations the rotational shift of a fundamental laser l
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3fa23b805bc8d838eaa7b9b463afb5ec
https://doi.org/10.1364/josab.461445
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9
Resonant vibration of a thin polymer film under optical excitation
Autor: Olivier Emile, Pierre Gaudriault, Janine Emile
Publikováno v: Soft Matter
Soft Matter, 2021, 17 (14), pp.3923-3928. ⟨10.1039/d1sm00016k⟩
Soft Matter, Royal Society of Chemistry, 2021, 17 (14), pp.3923-3928. ⟨10.1039/d1sm00016k⟩
International audience; We report on the mechanical excitation of a 220 μm thick thermoplastic film in its amorphous state by the radiation pressure of light. By modulating a low power visible laser (from 100 to 600 mW) at low frequencies (below 100
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13044a9388c827d570028051c70d4294
https://hal.science/hal-03225419/document
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10
Nanometer optical trap based on stimulated emission in evanescence of a totally reflected Arago spot : Nanometer optical trap for fluorescent nanoparticles
Autor: Janine Emile, Olivier Emile
Publikováno v: European Physical Journal E: Soft matter and biological physics
European Physical Journal E: Soft matter and biological physics, 2020, 43 (10), pp.68. ⟨10.1140/epje/i2020-11991-6⟩
European Physical Journal E: Soft matter and biological physics, EDP Sciences: EPJ, 2020, 43 (10), pp.68. ⟨10.1140/epje/i2020-11991-6⟩
International audience; Optical tweezers have paved the way towards the manipulation of particles and living cells at the micrometer range. Its extension towards the nanometer world may create unprecedented potentialities in many areas of science. Fo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7951ce82cc9b8e56b0d05f3de26c585
https://pubmed.ncbi.nlm.nih.gov/33099687
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