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Institut Langevin

@instlangevin.bsky.social
107 followers 90 following 69 posts

Institut Langevin is an academic research institute focusing on wave phenomena and imaging, from fundamental to applications. @cnrs.fr @espciparispsl.bsky.social @psl-univ.bsky.social

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Institut Langevin @instlangevin.bsky.social · 06/10/2026
Bravo à Nouhayla Khalid, Romain Pierrat et Julien de Rosny de l’Institut Langevin, ESPCI Paris - PSL, CNRS ! Pour la Fête de la Science, ils ont partagé leur passion des ondes, dimanche 4 octobre, Place Maubert, devant un public conquis. Une belle occasion de susciter de nouvelles vocations !
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Institut Langevin @instlangevin.bsky.social · 30/09/2026
💙Et si on vous disait qu’un objet non sphérique peut flotter en équilibre, quelle que soit son orientation ? C’est le défi relevé par Lucie Pontiggia (ESPCI) et Angélique Campaniello (Institut Langevin), avec une expérience aussi élégante que surprenante. 🔗 Les détails : pubs.aip.org/aapt/ajp/art...
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Institut Langevin @instlangevin.bsky.social · 21/09/2026
Time-reversal lens realized! Wildeman, Eddi & Fort ( @instlangevin.bsky.social / @utwente.bsky.social / @pmmh-lab.bsky.social ) use a spatiotemporal meta-surface to focus water waves via electrostriction. A leap in compact wave control. doi.org/10.1364/OME.... #WavePhysics #Metamaterials #CNRS
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Institut Langevin @instlangevin.bsky.social · 07/09/2026
When disorder stops scattering waves 🌊 New PNAS study from Institut Langevin shows hidden correlations in disordered materials suppress wave scattering, without changing scatterers or density. A breakthrough for wave control!💡 #WavePhysics #Science www.pnas.org/doi/10.1073/...
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Institut Langevin @instlangevin.bsky.social · 14/06/2026
Today marked the second edition of the lab’s bike ride. It was a chance to explore the banks of the Seine, as well as the castle and forest of Fontainebleau. Thank you to all the participants for a great time.
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Institut Langevin @instlangevin.bsky.social · 08/06/2026
New paper from @instlangevin.bsky.social and ISMO! Using fluorophore brightness as a unique signature: Brightness Demixing enables simultaneous distinction of multiple proteins without losing precision. 📖 rdcu.be/fmIeD #Microscopy #SuperResolution
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Institut Langevin @instlangevin.bsky.social · 11/05/2026
New paper from @instlangevin.bsky.social: Neurovascular coupling observed at the cellular scale in humans! 🧠✨ AO-RSO device captures unprecedented retinal images for early Alzheimer’s/glaucoma detection. doi.org/10.1126/scia... #AdaptiveOptics #MedicalImaging
doi.org
Revealing neurovascular coupling at a high spatial and temporal resolution in the living human retina
An optical method reveals neurovascular coupling in the human retina with unprecedented spatial and temporal resolution.
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Institut Langevin @instlangevin.bsky.social · 11/05/2026
New paper from @instlangevin.bsky.social: decoding the pulse wave 🩺✨ The team designed a model artery to isolate pressure and stiffness effects on pulse wave velocity, paving the way for more accurate cardiovascular diagnostics. doi.org/10.5802/crme... #softmatter #wavesincomplexmedia
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Institut Langevin @instlangevin.bsky.social · 08/05/2026
Last but not least, we welcome Pr. Demetri Christodoulides @usc.edu presenting about Optical Thermodynamics of Nonlinear Highly Multimoded Systems. Hot topic! @iescargese.bsky.social
Pr. Demetri Christodoulides talking about Optical Thermodynamics of Nonlinear Highly Multimoded Systems
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Institut Langevin @instlangevin.bsky.social · 08/05/2026
Revivez la grand public d'Hugo Defienne @insp-lab.bsky.social « À la poursuite du photon : filmer la lumière grain par grain ». www.youtube.com/watch?v=uUkw... #wavefrontshaping @iescargese.bsky.social
youtube.com
A la poursuite du photon: Filmer la lumière "grain par grain" - Hugo Defienne
YouTube video by IES CARGESE
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Institut Langevin @instlangevin.bsky.social · 08/05/2026
Vincent Pagneux from Laboratoire d'Acoustique at Université of Le Mans starts the afternoon session with a seminar: From networks of acoustic waveguides to lattice models: effects of symmetry and topology. Music to our ears! @iescargese.bsky.social
Vincent Pagneux talking about From networks of acoustic waveguides to lattice models: effects of symmetry and topology
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Institut Langevin @instlangevin.bsky.social · 08/05/2026
We finish the morning session with another contributed talk by Alejandro Caballero @ifimacuam.bsky.social from talking about interface states in space-time photonic crystals: topological origin, propagation and amplification. Topological waves living life on the edge! @iescargese.bsky.social
Alejandro Caballero talking about Interface states in space-time photonic crystals: topological origin, propagation and amplification
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Institut Langevin @instlangevin.bsky.social · 08/05/2026
Now a contributed talk by Rohin E. McIntosh from @yale.edu about multitarget spatiotemporal power deposition inside diffusive media. From diffusive to decisive media!
Rohin E. McIntosh talking about Multitarget spatiotemporal power deposition inside diffusive media
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Institut Langevin @instlangevin.bsky.social · 08/05/2026
We start our last day of Wave in Complex Media 2026 @iescargese.bsky.social with Fabrice Mortessagne from @univcotedazur.bsky.social teaching us about the quantum Hall effects and microwaves: an incursion into wave topology. Hall of fame for microwaves!
Fabrice Mortessagne talking about the Quantum Hall effects and microwaves: an incursion into wave topology
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Institut Langevin @instlangevin.bsky.social · 07/05/2026
We finish the day with Hui Cao from @yale.edu presenting her work on light control in complex media - without time reversal. Light bends to her will! @iescargese.bsky.social
alt: Hui Cao talking about Light control in complex media
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Institut Langevin @instlangevin.bsky.social · 07/05/2026
We welcome now Angélique Campaniello (@instlangevin.bsky.social @espciparispsl.bsky.social) for a contributed talk about experimentally controlling scattering of water waves in correlated disorder. Making a splash with correlated disorder! @iescargese.bsky.social
Angélique Campaniello talking about Experimentally controlling scattering of water waves in correlated disorder
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Institut Langevin @instlangevin.bsky.social · 07/05/2026
We start this afternoon with a seminar by Humeyra Caglayan @metaplasmonics.bsky.social from @tue.nl on metaoptics for optical computing toward intelligent visual perception. Eye see what you did there! @iescargese.bsky.social
Humeyra Caglayan giving a talk about Metaoptics for optical computing toward intelligent visual perception
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Institut Langevin @instlangevin.bsky.social · 07/05/2026
Last talk of this morning session at @iescargese.bsky.social with a seminar by Ulf Leonhardt from the Weissman Institute of Science about wave noise in time-dependent media and cosmic expansion. Making waves across space and time!
Ulf Leonhardt talking about Wave noise in time-dependent media and cosmic expansion
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Institut Langevin @instlangevin.bsky.social · 07/05/2026
Group picture of the Waves in Complex Media 2026 @iescargese.bsky.social
Group picture of the Waves in Complex Media 2026 in the landscape of Cargèse
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Institut Langevin @instlangevin.bsky.social · 07/05/2026
We continue with a contributed talk by Gabriel Hayoun about the localization-landscape generalized Mott-Berezinskii formula. Electrons playing hide and seek in a disordered landscape! @iescargese.bsky.social
Gabriel Hayoun talking about Localization-landscape generalized Mott-Berezinskii formula
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Institut Langevin @instlangevin.bsky.social · 07/05/2026
We start the 4th day of WCM 2026 at @iescargese.bsky.social with Valentina Krachmalnicoff and Rémi Carminati @espciparispsl.bsky.social giving a lecture on the study of Light–Matter Interaction: Theoretical Framework and Experimental Approaches. DOS and don'ts of light–matter interaction!
Valentina Krachmalnicoff talking about "Study of Light–Matter Interaction: Theoretical Framework and Experimental Approaches"Rémi Carminati presenting the theory of local density of states
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Institut Langevin @instlangevin.bsky.social · 06/05/2026
Nous avons le plaisir d'écouter Hugo Defienne pour une conférence grand public @iescargese.bsky.social devant une audience venue en nombre l'écouter nous parler des photons dans sa présentation didactique et expérimentale intitulée : « À la poursuite du photon : filmer la lumière grain par grain ».
Hugo Defienne réalisant une expérience devant public de mesure de photonHugo Defienne en conférence grand public devant les habitants de Cargèse
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Institut Langevin @instlangevin.bsky.social · 06/05/2026
Last session of the day with Lyuba Amitonova @vuamsterdam.bsky.social presenting her work on computational imaging through multimode fibers. Threading the needle of imaging! @iescargese.bsky.social
Lyuba Amitonova talking about Computational imaging through a multimode fiber
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Institut Langevin @instlangevin.bsky.social · 06/05/2026
We continue with a second lecture by Tsampikos Kottos from Wesleyan University on transport modes and information in complex media. It's all about the right mode-ivation! @iescargese.bsky.social
Tsampikos Kottos talking about Transport mode and information in complex media
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Institut Langevin @instlangevin.bsky.social · 06/05/2026
And we start the day @iescargese.bsky.social with some math with Pr. Josselin Garnier @polytechniqueparis.bsky.social and a lecture on AI and data driven methods for quantitative imaging. Seeing through tissues, bit by bit!
Josselin Garnier talking about AI and data driven methods for quantitative imaging
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Institut Langevin @instlangevin.bsky.social · 06/05/2026
Beautiful science and cheesy puns, we are back to cover our Waves in Complex Media @iescargese.bsky.social www.institut-langevin.espci.fr/cargese_2026
institut-langevin.espci.fr
Institut Langevin - Ondes et Images : Waves in complex media 2026
Site de l’Institut Langevin (Ondes et Images), ESPCI
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Institut Langevin @instlangevin.bsky.social · 05/05/2026
For the final talk of the day, we have Hugo Defienne @insp-lab.bsky.social giving a seminar on entanglement-enabled imaging through complex media. When two photons are better than one! @iescargese.bsky.social #wavefrontshaping
Hugo Defienne talking about Entanglement-enabled imaging through complex media
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Institut Langevin @instlangevin.bsky.social · 05/05/2026
We continue with a contributed talk by Yichen Sun (@instlangevin.bsky.social @espciparispsl.bsky.social) on Dynamic matrix imaging applied to transcranial ultrasound. Ultrasound that really gets into your head! #wavefrontshaping @iescargese.bsky.social
Yichen Sun talking about Dynamic matrix imaging applied to transcranial ultrasound
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Reposted by Institut Langevin
Institut d'Etudes Scientifiques de Cargèse @iescargese.bsky.social · 05/05/2026
📍Demain à 18h30, Hugo Defienne et l'IES Cargèse vous invitent à explorer le fascinant univers des #Photons et de la lumière quantique ✨ Université de Corse @cnrs-dr12.bsky.social @univcotedazur.bsky.social @instlangevin.bsky.social @sorbonne-universite.fr
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Institut Langevin @instlangevin.bsky.social · 05/05/2026
To start our afternoon session at @iescargese.bsky.social, we welcome Anat Levin @technion-cs-nlp.bsky.social presenting her work on seeing deep inside scattering tissue using efficient, noise-robust wavefront shaping. When light refuses to take 'noise' for an answer! #wavefrontshaping
Anat Levin talking about Seeing Deep Inside Scattering Tissue Using Efficient, Noise-Robust Wavefront Shaping
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Institut Langevin @instlangevin.bsky.social · 05/05/2026
Last talk of this morning session with Costanza Toninelli from LENS Florence discussing photonic quantum technologies with organic molecules. Molecules as quantum building blocks! @iescargese.bsky.social
Costanza Toninelli talking about photonic quantum technologies with organic molecules
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Institut Langevin @instlangevin.bsky.social · 05/05/2026
We go on with Wojciech Zwolinski from University of Warsaw presenting a new statistical–spectral formalism for speckle imaging in the photon number limited regime. Low photon counts! @iescargese.bsky.social
Wojciech Zwolinski presenting a new statistical–spectral formalism for speckle imaging in the photon number limited regime
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Institut Langevin @instlangevin.bsky.social · 05/05/2026
We start our second day at @iescargese.bsky.social with Pr. Yi Xue @ucdavis.bsky.social giving a lecture on Computational Optics for Neural Imaging and Modulation. Light is getting smart! #wavefrontshaping
Pr. Yi Xue talking about Computational Optics for Neural Imaging and Modulation
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Institut Langevin @instlangevin.bsky.social · 04/05/2026
Last seminar of this first day @iescargese.bsky.social by Paloma Arroyo Huidobro from the Universidad Autónoma de Madrid discussing about Modifying light-matter interactions with photonic time crystals. Time matters!
Paloma Arroyo Huidobro talking about Modifying light-matter interactions with photonic time crystals
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Institut Langevin @instlangevin.bsky.social · 04/05/2026
Second contributed talk Zeyu Kuang @tuwien.at on Adiabatic energy transfer in periodically modulated time-varying media. Modulating several parameters at once opens a new route to energy efficient time-varying devices! @iescargese.bsky.social
Zeyu Kuang talking about Adiabatic energy transfer in periodically modulated time-varying media
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Institut Langevin @instlangevin.bsky.social · 04/05/2026
We start the afternoon session @iescargese.bsky.social with @rachelgrange.bsky.social from @ethz.ch teaching us about non-linear effects in disordered media. When randomness meets non-linearity!
Rachel Grange giving a lecture on Nonlinear effects in disordered media.
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Institut Langevin @instlangevin.bsky.social · 04/05/2026
To end this very interesting first morning of the Wave in Complex Media 2026 school at @iescargese.bsky.social, Nader Engheta from @upenn.edu gives a very didactic presentation on 4D metamaterials. Computing at the speed of light!
Pr. Nader Engheta talking about 4D metamaterialsPr. Nader Engheta talking about 4D metamaterials
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Institut Langevin @instlangevin.bsky.social · 04/05/2026
First contributed talk with Benjamin Fromont from LAPLACE laboratory @isae-supaero.bsky.social talking about self-induced electromagnetic sink via plasma generation. It breaks the diffraction limit! @iescargese.bsky.social
Benjamin Fromont talking about *Self-induced electromagnetic sink via plasma generation*
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Institut Langevin @instlangevin.bsky.social · 04/05/2026
Mathias Fink @espciparispsl.bsky.social is opening the Wave in Complex Media 2026 school at @iescargese.bsky.social, and he's going back in time! See the full program: www.institut-langevin.espci.fr/cargese_2026
Mathias Fink in the open talk of Waves in Complex Media 2026 on `Back to Time Reversal`
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Reposted by Institut Langevin
CNRS Ingénierie @cnrsingenierie.bsky.social · 24/02/2026
#RésultatScientifique 🔎 | L’imagerie matricielle ultrasonore : un changement de paradigme pour l’échographie transcrânienne super-résolue 🔬 @instlangevin.bsky.social 🤝 @cnrs.fr @espciparispsl.bsky.social @psl-univ.bsky.social 📍 @cnrs-paris.bsky.social
insis.cnrs.fr
L’imagerie matricielle ultrasonore : un changement de paradigme pour l’échographie transcrânienne super-résolue
Des chercheurs ont développé une approche permettant de compenser les problèmes d’aberrations en échographie du cerveau offrant une image 3D super-résolue du
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Reposted by Institut Langevin
CNRS Ingénierie @cnrsingenierie.bsky.social · 18/02/2026
#RésultatScientifique 🔎 | Révéler la présence d’une cible cachée dans un brouillard épais 🔬 @instlangevin.bsky.social 🤝 @cnrs.fr @espciparispsl.bsky.social @psl-univ.bsky.social 📍 @cnrs-paris.bsky.social
insis.cnrs.fr
Révéler la présence d’une cible cachée dans un brouillard épais
Des chercheurs viennent de proposer un nouvel opérateur en physique des ondes dédié à l’imagerie quantitative des milieux com
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Institut Langevin @instlangevin.bsky.social · 01/02/2026
🌊 Chaos as a resource! Near-optimal energy transport can emerge even with limited control. @instlangevin.bsky.social y.social @wesleyanuniversity.bsky.social www.science.org/doi/10.1126/... #WavePhysics #WaveChaos #EnergyTransport
science.org
Guiding waves through chaos: Universal bounds for targeted mode transport
A universal framework reveals governing laws for optimal wave focusing and maximal energy delivery in chaotic environments.
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Institut Langevin @instlangevin.bsky.social · 22/11/2025
🔊 New from @instlangevin.bsky.social: Using time reversal, researchers turn a simple wall into an acoustic router. Sharp focusing, boosted transmission, and multiple sound channels inside the same room, all built from the room’s own reverberation. doi.org/10.1038/s420... #Acoustics #TimeReversal
doi.org
Reconfigurable and active time-reversal metasurface turns walls into sound routers - Communications Physics
Controlling how sound travels in noisy or echo-filled spaces is a long-standing challenge. The authors show that walls covered with programmable acoustic elements can direct sound precisely to chosen ...
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Institut Langevin @instlangevin.bsky.social · 20/11/2025
🟠 New study from @instlangevin.bsky.social & @ucauvergne.bsky.social : How shock waves move through granular materials. Three regimes found from gentle impacts to strong shocks, with a surprisingly constant shock-front width (~10 grains). #GranularPhysics #ShockWaves doi.org/10.1016/j.me...
doi.org
Redirecting
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Institut Langevin @instlangevin.bsky.social · 13/11/2025
Can entangled photons beat classical light? 🌀 Researchers from @instlangevin.bsky.social & Hebrew Univ map the limits of wavefront shaping in quantum light—showing when it matches, and when it outperforms, classical optics. #QuantumOptics #Photonics doi.org/10.1063/5.02...
doi.org
Fundamental bounds of wavefront shaping of spatially entangled photons
Wavefront shaping enables control of classical light through scattering media. Extending these techniques to spatially entangled photons promises new quantum ap
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Institut Langevin @instlangevin.bsky.social · 23/10/2025
Light can find rare “open channels” to pass through disorder. Researchers from Institut Langevin and the Hebrew University of Jerusalem reveal how multimode fiber cavities make them accessible. 💡 #Optics #WavePhysics journals.aps.org/prl/abstract...
journals.aps.org
Open Transmission Channels in Multimode Fiber Cavities with Random Mode Mixing
The transport of light in disordered media is governed by open transmission channels, which enable nearly complete transmission of the incident power, despite low average transmission. Extensively stu...
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Institut Langevin @instlangevin.bsky.social · 22/10/2025
Impressive results at NANOP2025 by Lorenzo Soncin: fluorophores mixed with white disordered scattering media exhibit strong spectral changes due to fluorescence photon thermalization with nonzero chemical potential. @instlangevin.bsky.social @espciparispsl.bsky.social @cnrsingenierie.bsky.social
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Institut Langevin @instlangevin.bsky.social · 22/10/2025
Outstanding presentation today on the final day of NANOP2025 by our colleague Valentina Krachmalnicoff, showcasing single-molecule sensing of electromagnetic landscapes at the nanometer scale using the smFLIM method. @instlangevin.bsky.social @cnrsingenierie.bsky.social @espciparispsl.bsky.social
Summary of results demonstrating the versatility of the sm-FLIM method for a wide range of optical investigations at the nanoscale.
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Institut Langevin @instlangevin.bsky.social · 14/10/2025
🔊 Researchers at @instlangevin.bsky.social study how oscillators synchronize by coupling two nonlinear delayed acoustic resonators near a Hopf bifurcation. From frequency locking to desynchronization, they uncover universal patterns of coherence. #Physics #Synchronization doi.org/10.1121/10.0...
doi.org
Non-linear coupling in two non-linear delayed acoustic resonators
Building on our previous work on a Hopf resonator that mimics the cochlear amplifier from Reda, Fink, and Lemoult [(2023). Europhys. Lett. 144(3), 37001], we no
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Institut Langevin @instlangevin.bsky.social · 06/10/2025
How do you find objects hidden in sand or fog? 🌫️🏝️ A team from @instlangevin.bsky.social & TU Wien just published in Nature Physics a new way to “see” through opaque media using a wave fingerprint matrix — making the invisible visible! 🔍✨ Read more: rdcu.be/eI4Mh #Imaging
rdcu.be
Detection and characterization of targets in complex media using fingerprint matrices
Nature Physics - Imaging through complex media is challenging because scattering results in image blurring. By introducing a fingerprint operator and applying it to the measured reflection matrix,...
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