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UID:26892-1742803200-1743184800@www.chimieparistech.psl.eu
SUMMARY:SEES  2025 avec Ecosciences
DESCRIPTION:À l’occasion de la Semaine Étudiante de l’Écologie et de la Solidarité (SEES) 2025\, Écosciences\, l’association écologique de Chimie ParisTech-PSL\, propose un programme d’actions et d’échanges autour des enjeux environnementaux. \nConférences\, ateliers et initiatives durables rythmeront cette semaine dédiée à la transition écologique et solidaire à Chimie ParisTech-PSL. \nPour en savoir plus.
URL:https://www.chimieparistech.psl.eu/evenement-agenda/sees-2025-avec-ecosciences/
LOCATION:Chimie ParisTech – PSL\, 11\, rue Pierre et Marie Curie\, Paris\, 75005\, France
CATEGORIES:Evénement
ORGANIZER;CN="Ecosciences":MAILTO:ecosciences@etu.chimieparistech.psl.eu
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UID:26954-1743084000-1743089400@www.chimieparistech.psl.eu
SUMMARY:Séminaire Programme Gradué Chimie PSL
DESCRIPTION: Antonio Garcia-Martin\, Thursday March 27 at 2:00 pm (Paris time)\, ESPCI\, Room Holweck\, building C\, 1st floor\, at LPEM in hybrid format:\n \nResonant nanostructures with broken symmetries By Antonio Garcia-Martin\, Instituto de Micro y Nanotecnología IMN-CNM\, Madrid\,  Spain.\n\nSymmetries can be regarded as pivotal when considering physical effects in light matter interactions.  Geometrical symmetries are easy to spot just by exploring the shape of the system under consideration. Others\, such as reciprocity or time reversal invariance are more subtle to identify. They appear particularly important when exploring scattering properties of resonant systems. Therefore\, when looking for novel\, or peculiar light-matter interactions systems with broken symmetries are attracting lots of attention. In the recent years the phenomenon of magneto-plasmonics revolved around the broken time reversal invariance upon the presence of an external\, static magnetic field\, giving rise to a plethora of different effects\, both involving enhancement of the magneto-optical effect via resonances or the control of resonances via the magneto-optical effect. [1\,2] Additionally\, systems without mirror symmetry\, more precisely those exhibiting a clear sense of twist or handedness are called chiral. Chirality is a concept that is embedded in our live\, since a large amount of biological molecules\, such as amino acids or proteins\, are chiral.[3] Normally the signature of handedness is weak\, and therefore resonant systems\, presenting chirality or interacting with the chiral species have been attracting lots of attention.[4]In this talk I will give an overview of\, what I personally consider\, the most relevant aspects of both chirality and magneto-optics\, putting forward some key elements to get simple rule of thumbs to understand the physics behind. Then I will connect those with a couple of our latest works on magneto-optical control of bound-states in the continuum in metasurfaces [5] and optical forces [6] chirality [7] and optomechanics [8\,9].\n \n[1] G. Armelles et al.\, Advanced Optical Materials 1\,  10-35 (2013)[2] N. Maccaferri\, et al. J. Appl. Phys. 127\, 080903 (2020)[3] L. D. Barron\, Molecular Light Scattering and Optical Activity\, Cambridge\, Cambridge University Press\, (2004)[4] S. Collina\, Chirality 34\, 1491 (2022).[5] D.R. Abujetas\, et al.\, Nanophotonics 10\, 42232 (2021).[6] M.I. Marqués\, et al.\, Phys. Rev. Lett. 133\, 046901 (2024)[7] B. Castillo López de Larrinzar\, et al.\, Nanophotonics 12\, 1957 (2023)[8] B. Castillo López de Larrinzar\, et al.\, Nanomaterials\, 14\, 1276 (2024)[9] B. Castillo López de Larrinzar\, et al.\, Nanophotonics 14\, 75 (2025)\n\nZoom link: https://espci.zoom.us/j/82613159206?pwd=m0wvjoraQys2yBe4CLbG7GLeaTPMGc.1\nID: 826 1315 9206\nPasscode: David_Bohm
URL:https://www.chimieparistech.psl.eu/evenement-agenda/seminaire-programme-gradue-chimie-psl-138/
LOCATION:évènement hybride
CATEGORIES:Séminaire
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