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  Aix Marseille Université is recruiting for more than 260 professions, which you can find on the university’s website or go directly to their page dedicated to current job offers / free positions   Here you can also discover the Thesis Offers for the PhD Recruitment Campaign 2026 –  Doctoral […]

CONCOURS Physics and Matter Sciences Doctoral School – ED 352 Aix-Marseille Université To apply for our 2026 doctoral student recruitment campaign, Contact directly the researcher(s) in charge of the subject(s) you are interested in DEADLINE 2026 : April 8th (to send file)  –  May 5th (1st round of selection) – […]

  Inauguration of PERTINENCE project – Marseille ‘s part” on Monday, February 9 at 02:00 p.m.   This concerns the inauguration of major scientific facilities PERTINENCE – DévelopPEment des centRales de Technologie de la régioN Sud ProvENCE (Development of Technology Centers in the South Provence Region) – on the Saint […]

Benjamin Judkewitz from Charité, Berlin, will give a seminar entitled Imaging the smallest vertebrate brain in action on Tuesday March 3rd at 09h30 in the Pierre Cotton room at Institut Fresnel.      Abstract : In this talk I will describe our work on Danionella cerebrum, a tiny fish that is […]

Romain PERETTI from the Institute of Nanotechnologies in Lyon will give a seminar entitled “Terahertz Spectroscopy & its Applications Towards Biology” on Friday, january 23 at 11:00 a.m. in Pierre Cotton room of our Lab. Abstract : Terahertz (THz) radiation offers a unique window into the low-energy excitations of biological and […]

Xiangyi LI will defend her thesis entitled “Widefield linear and non-linear optical microscopies using random illumination and temporal focusing” on Thursday, January 22nd at 02:00 p.m. in room Pierre Cotton of Institut Fresnel.   Composition of the Jury : – Marc GUILLON, SPPIN, Reviewer – Eirini PAPAGIAKOUMOU, Institut De La […]

  Amer Aoun will defend his PhD thesis entitled “Improving the Lifetime of Optics for High-Power Lasers in Space” on Tuesday, February 3rd at 10:00 a.m., in Amphi Ponte, Campus St Jérome, Marseille. The presentation and slides will be in English.   Composition of the jury : – Marco Jupé, […]

1) PhaseLAB is a Matlab toolbox developed by Guillaume Baffou (CNRS, Institut Fresnel) aimed at processing wavefront images obtained by quadriwave lateral shearing interferometry (QLSI). It can process experimental QLSI interferograms, post-process wavefront images, and simulate intensity and wavefront images. Link to the GitHub repository : PhaseLAB   2) IFDDA […]

Charitra Sree Senthil Kumar will defend her thesis entitled “Polarization-Resolved Single Molecule and Anisotropy Imaging of Actin Architecture and T-Cell Receptor Dynamics” on January 30, 2026 at 09:30 a.m. in room Pierre Cotton at Institut Fresnel (level -1), campus St Jérôme, Marseille. Composition of the Jury : – Dr Bassam […]

PhD “Laser damage resistance of materials and structures of pulse compressor GWS” – ILM Team   We are pleased to advertise Doctoral Researcher (PhD) positions to begin in 2026, as part of the Doctoral Network of the European Commission TRADES “Training & Research in Advanced Dispersion Engineered grating-waveguide Structures”. The […]

PhD “High performance optical coatings for resonant grating structures” – RCMO Team   We are pleased to advertise Doctoral Researcher (PhD) positions to begin in 2026, as part of the Doctoral Network of the European Commission TRADES “Training & Research in Advanced Dispersion Engineered grating-waveguide Structures”. The positions will each […]

  Malavika Kayyil will defend her PhD thesis entitled “Exploring and improving fluorescence correlation spectroscopy (FCS) sensitivity from nanoprobe to label-free proteins for biosensing and nanopore applications.”  on Thursday, 29th January 2026 at 01:30 p.m. in room Pierre Cotton, Institut Fresnel, campus St Jerome in Marseille. The defence will be […]

L’Institut Fresnel recrute un.e Assistant.e Ingénieur.e (AI) en expérimentation et instrumentation biologiques (emploi type A3A42, BAP A Sciences du vivant, de la terre et de l’environnement) sur un poste FSEP CNRS (Fonction Susceptible d’Être Pourvue). Seuls les fonctionnaires titulaires TR, AI et IE, ainsi que les CDI CNRS peuvent se […]

Principal investigators : Serge Monneret, Julien Savatier Keywords : lateral shearing interferometry, label-free microscopy, dry mass measurement of living cells   1) Principle of phase and retardance microscopies by wavefront analysis Phase microscopy: If we consider that changes in the refractive index within a transparent sample introduce local photon delays […]

Carlos CIFUENTES will defend his PhD thesis entitled : “Laser micro macro-machining of nuclear fuels: towards a multiscale approach of material properties”, which will take place on Tuesday, December 16th at 02:00 p.m., in the salle des thèses, campus St. Jérôme, Marseille. A Zoom link will be provided later. The presentation […]

Simon ANS will defend his thesis entiled “Design of nanostructured blazed gratings for next-generation spectro-imagers“ on Friday, December 12, 2025 at 02:00 p.m., in Rouard amphitheater, campus St Jérôme, Marseille.   Members of jury : Anne-Sophie BONNET-BEN DHIA, UMA – ENSTA, Rapporteure Olivier J. F. MARTIN, NAM – EPFL, Rapporteur Amélie […]

Assia Benachir will defend her Thesis entitled “Methods and instrumentation for single and two-photon fluorescence random illumination microscopy” on Tuesday, December 16th at 10:00 a.m. in Ponte Amphitheater, campus St Jérôme in Marseille. The presentation and the slides will be in English. The Jury members are : – Randy Bartels, Morgridge Institute of […]

Lucas ARSAC soutiendra sa thèse intitulée  “Development of optical monitoring strategies for the fabrication of optical thin-film filters with physical vapor technolog” on Thursday, December 4 at 10:00 a.m. in Ponte Amphitheater, campus St Jérôme, Marseille. The presentation & slides will be in english. The jury is composed of : […]

Lilian Chabrol, who is currently doing a postdoc at IUSTI in Marseille, will give a seminar entitled “Changes in perspective on the Lorenz-Mie theory for large particles” on Thursday November 27th 2025 at 10:30 a.m. in the Pierre Cotton’ room of our Lab.   Abstract : The Lorenz-Mie theory (LMT) provides […]

In this Phd thesis, we will seek to develop new imaging procedures adapted to this studied case (based on existing ones), so as to extract quantitative information on the internal structure of comets and asteroids from data that can be measured in real space experiments. These procedures will be applied […]

The electromagnetic field after interaction with the asteroid depends on its physical characteristics, so it is possible to use this field to find the internal structure of the asteroid and its electromagnetic characteristics. This is achieved by solving an inverse diffraction problem. For our application (comet and asteroid), the main […]

Valentin Allard will defend his thesis entitled “Optical Nearfield Microscopy : from qualitative analysis of biomaterials towards quantitative characterization of dielectric thin films” on Thursday, october 30th at 11:00 a.m. in room Pierre Coton of our Lab.   The jury is composed of : – Benoît Cluzel, ICB, Reviewer – […]

Dr. Eric Mottay, from h-nu Company, will give a talk entitled “Machine learning and laser processes” on Wednesday, November 05th at 02:00 p.m. in room Pierre Cotton of our Lab.   Abstract : Ultra-short laser material processing is at the heart of many industrial applications. However, process optimisation remains difficult […]

Dr. Baptiste Fix from The ONERA Palaiseau will give a talk entitled Plasmonic nanostructures for infrared opto-electronics : haversting near-field interactions on Friday, october 31th at 09:30 a.m. in room Pierre Cotton of our Lab. Abstract : In this talk, I will first present how plasmonic nano-structures and nano-cavities can be used to tailore […]

As part of the “Journées d’Ouverture Scientifique (JOS)” of Centrale Méditerranée, lectures on “Lasers and their applications” will be given on November 6, 2025, from 9:00 a.m. to 5:00 p.m. in the Joule Amphitheater.             9h00 – Eric Mottay, Amplitude Laser Group – “Les lasers […]

27 – 31 October, 2025 at CIRM, Campus Luminy, Marseille Free Access on registration, contact Maxence Cassier :  maxence.cassier@fresnel.fr   The main objective of this conference is to bring together leading experts and promising young researchers working in mathematical physics in the field of wave propagation in guiding structures. This project […]

Nicolas Marsic, software engineer in Computational Electromagnetism at Dassault Systems, will give a seminar entitled “2.5D finite element modelling of spherical open electromagnetic cavities” on Wednesday October 8th 2025 at 10h30 in Pierre Cotton Room at Institut Fresnel, campus St Jérôme, Marseille. Abstract :  In this presentation, we deal with the […]

Des Journées Portes Ouvertes auront lieu (sur réservation uniquement) dans notre laboratoire de recherche le vendredi 3 octobre 2025 de 8h30 à 17h0 ! Celles-ci se déroulent dans le cadre de l’Année de l’Ingénierie et pour nos 25 ans. Elles auront lieu durant la Fête de la Science 2025 qui […]

Background : Metasurfaces are components made up of patterns (pillars) with geometries and spacing smaller than the wavelength. This nanometer-scale structure allows for local manipulation of light properties [1]. This new type of technology makes it possible to design ultra-thin components with unique properties, sometimes going beyond what is possible […]

Sandra MARTIN PhD defense entitled “Deep learning algorithms for the segmentation and the acceleration of MRI acquisitions in the context of neuromuscular pathology follow-up” will take place on the 6th of October at 02:00 pm in Amphi Rouard, in front of Institut Fresnel, campus St Jérôme, Marseille. The presentation will […]

Dans le cadre du projet « Implementation of user-friendly 3D Bragg ptychography at synchrotron sources- EASYBRAGG » financé par LEAPS INNOV EasyBragg, un code orienté utilisateur a été développé, testé et mis en œuvre sur plusieurs lignes de faisceaux en Europe. Nous avons fait la démonstration de cette méthode en […]

Notre unité de recherche participe, comme chaque année, à plusieurs événements liés à la Fête de la Science. Elle se déroulera du 03 au 14 octobre 2025 dans toute la France. Pour notre laboratoire, vous pouvez d’ores et déjà noter les événements suivant : Journées Portes Ouvertes du laboratoire (JPO) […]

La prochaine édition des Visites Insolites du CNRS aura lieu à l’Institut Fresnel le vendredi 3 octobre 2025 à 9h30 dans le cadre de la Fête de la Science qui se déroulera du 3 au 13 octobre dans toute la France. Après le succès des quatre éditions précédentes, notre laboratoire […]

Yousra TOUMI soutiendra sa thèse intitulée : « Development of innovative thin film-based substrates for improving TIRF microscopy sensitivity and lateral resolution » on September 19th at 11:00 A.M. in the Pierre Coton’ Room.   Composition of jury :  Antoine MOREAU, Institut Pascal – Reviewer Gérard COLAS DES FRANCS, Laboratoire […]

Mathias Soulier will defend his phD thesis entitled « Development of Low-Absorption Interference Optical Filters for High-Power Lasers » on Thursday, September 25, at 2:00 PM in Amphi Ponte, campus St Jérôme à Marseille. The presentation will be delivered orally in French, with the slides in English. List of the […]

Les journées scientifiques SolvATE2025 se dérouleront les 13 et 14 octobre 2025 à Aix-Marseille Université – Campus St Charles Le GDR 2035 SolvATE réunit environ 40 laboratoires français qui étudient la solvatation à l’échelle moléculaire. Il est financé par l’Institut National de Chimie du CNRS depuis janvier 2018. Ce GDR […]

Journées Portes Ouvertes de l’Institut Fresnel les 3 et 4 octobre 2025 Visites des salles d’expérimentation, Observations et Discussions avec nos chercheurs   Chaque année, les équipes de chercheurs de l’Institut Fresnel participent à la Fête de la Science, à l’opération Science dans les Classes, et à de nombreux événements […]

Pr Marcel A. Lauterbach, from Saarland University, is working on ultra-resolution microscopy and was a post doc of Stephan hell that developed STED in Gottingen in the early 2000. He will give a seminar on “Applied Optics: From superresolution imaging of neurons and glia to in-vivo microendoscopy of calcium signals” […]

Hugues Favre will give a seminar entitled “Toward Deep Tissue Ultrasound Cellular Imaging” on Friday September 5th at 9h30, in the meeting room in Espace photonique. Hugues is currently a Marie-Curie Postdoc in the group of David Maresca in Delft (Netherlands), where he is working on non linear ultrasound imaging using […]

Pol Sopeña from LP3, will give a talk entitled “Temporal strategies for internal ultrafast 3D laser processing of semiconductors” on  Wednesday, July 23rd at 9h30 in Pierre Cotton room.   Abstract : The high intensities of tightly focused ultrafast laser beams allow locally transforming the structural properties of transparent materials […]

  Institut Fresnel 25th Anniversary on Wednesday, July 9, 2025 Scientific Conference & Gala Amphi Ginestié –  Bât INSPE, Campus St Jérôme, Marseille   08h40 Accueil des participants 09h10 – Discours d’ouvertures des représentants amU, CNRS, ECM & Collectivités 10h00 – Conférence invitée : Philippe Lalanne, LP2N Bordeaux “Metasurfaces : From […]

At the triennial “Optical Interference Coatings” congress, an International Competition took place from October 2024 to April 2025. Its objective was to find the optimal optical stack designs that met precise specifications. About fifteen participants, from public and private organizations worldwide, worked on four distinct problems. Their solutions were evaluated […]

Adrien Bolliand will defend his thesis entitled “ Angularly and spatially resolved measurement of scattered fluxes for quantifying the impact of localized defects on light scattering losses in optical components.” on June 24, 2025 at 02:30 p.m. in Ponte Amphitheater, Campus St Jérome, Marseille. The defense will be in french.   […]

Valérie Halté from IPCMS – Université de Strasbourg Will give a séminal entitled “Optically induced phase transition at ultimate timescales in Fe3O4 thin films” on Friday, May 23 at 09:30 a.m. in Pierre Cotton’s room, Institut Fresnel, on campus St Jerome, Marseille.   Abstract :  Using time-resolved magneto-optics ability to […]

Prithu ROY, after the Doctoral School “ED352 prize”, has obtain AMU Thesis 2024 prize on April 4 during an official ceremony. The prize, awarded by President Eric Berton during a major scientific evening (04/04/25), rewards 16 new PhDs each year, as well as a number of leading scientists who have […]

Jules VANARET will defend his PhD thesis entiteled « Exploring tissue patterning and stochastic cellular dynamics in photon-limited imaging of light-scattering organoids: combined deep learning and bayesian strategies » on Monday, May 12, 2025 at 09:30 a.m., in Hexagone Auditorium on the Luminy Campus in Marseille. The presentation will be […]

The Next Edition of “PhD Days” will be on June 11 & 12, 2025 at Club Miléades in Carry le Rouet. Every year, the laboratory gets together for 2 days so that all doctoral students can present their thesis work to all the members of our unit. The last edition […]