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Metasurfaces for light shaping: a look into the past to better appreciate the present and future

hal.structure.identifierLaboratoire Photonique, Numérique et Nanosciences [LP2N]
dc.contributor.authorLALANNE, Philippe
dc.date.accessioned2023-05-12T10:39:39Z
dc.date.available2023-05-12T10:39:39Z
dc.date.conference2020-11-10
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/181592
dc.description.abstractEnIn integrated circuits, an important prerequisite for success is that every transistor can be driven or read independently, and nanotechnology is used to push the integration limit subject to that essential requirement. In dielectric metasurfaces for wavefront shaping, one aims to imprint spatially varying phases (or amplitudes, polarizations) on an incoming optical beam, and nanotechnology is used to spatially control the phase down to the subwavelength scale, as required for high numerical aperture focusing or imaging, beam steering over large angles, and computer-generated holography. Just like for integrated circuits, it is important that the phase can independently be controlled by adjacent nanostructures (or meta-atoms).This demanding requirement has marked the history of diffractive optics. I will review this history, evidence some fundamental limitations and introduce recent prospects in my group in relation to disordered metasurfaces.
dc.language.isoen
dc.title.enMetasurfaces for light shaping: a look into the past to better appreciate the present and future
dc.typeCommunication dans un congrès avec actes
dc.subject.halPhysique [physics]/Physique [physics]/Optique [physics.optics]
bordeaux.hal.laboratoriesLaboratoire Photonique, Numérique et Nanosciences (LP2N) - UMR 5298*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionCNRS
bordeaux.countryGB
bordeaux.title.proceedingWebinar series on acoustic, mechanical and thermal metamaterials
bordeaux.conference.cityLondon
bordeaux.peerReviewedoui
hal.identifierhal-03003348
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03003348v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.au=LALANNE,%20Philippe&rft.genre=proceeding


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