Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 28/10/2025Looking for an M2 internship? Most of our offers are on our website here: loa.ensta-paris.fr/join-us/ Lots of experiments on some of the planet's coolest lasers, and lots of numerical simulations! 010
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 03/10/2025La fête de la science commence à l'Ecole @polytechniqueparis.bsky.social et continue demain. Venez demain le 04/10 visiter au LOA un laboratoire où nous accelerons des électrons par laser à >99,99% de la vitesse de la lumière, et où nous développons des applications médicales. A demain ! #fds2025 041
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 30/09/2025Boosting the energy and beam quality of laser-wakefield accelerated electrons with a plasma waveguide, first demonstrated at LOA in 2022 (www.nature.com/articles/s41...) has also worked at the APOLLON laser. We generated quasi-monoenergetic beams beyond 2 GeV ! loa.ensta-paris.fr/2025/09/30/q... 030
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 30/09/2025Every couple of years we move the whole lab for a few days away from the daily grind in Palaiseau to some beautiful location. For the LOA Days 2025, we went to the magnificent island of Porquerolles! loa.ensta-paris.fr/2025/09/30/t... 030
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 05/09/2025Antoine Cavagna is defending his PhD thesis today at LOA! 020
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 29/04/2025And she's made it: bravo docteure Juliette Dubois 👏🏻🥂! 010
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 29/04/2025Juliette Dubois is defending her PhD thesis today! 130
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 18/12/2024We were happy to receive Prof. Donna Strickland's visit today and show her around a few of our labs. Absolutely everything at LOA runs thanks to her (and our former colleague Gerard Mourou's) Nobel-prize-decorated Chirped-pulse-amplification! 061
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 03/12/2024IMPALA, the method retrieving multi-spectral wavefronts from measured speckle patterns, co-developed and first demonstrated at LOA, is highlighted in the December issue of @opnmagazine.bsky.social: www.optica-opn.org/home/article... 040
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 29/11/2024This wonderful Macaron has been home-baked and laser engraved with an LOA logo by one of our brilliant PhD candidates. This is the kind of rich skill set you develop during a thesis at LOA! It tastes really good, too. 000
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 27/11/2024New doctor! Dr Yuliia Mankovska 010
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 27/11/2024Today at LOA, Yuliia Mankovska defends her PhD thesis "High-precision probing of Laser-Plasma and electron beam-plasma interactions". 220
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 22/11/2024The snow has stayed over night! 050
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 21/11/2024❄️❄️❄️❄️❄️❄️❄️❄️❄️❄️❄️❄️ LOA got covered in snow today! ❄️❄️❄️❄️❄️❄️❄️❄️❄️❄️❄️❄️ 051
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 19/11/2024Hydrogen-gas improves the performance of a laser-plasma accelerator: we now have, at 1-kHz rep.-rate, a quasi-monoenergetic electron beam reaching up to 10 MeV, with a 15-mrad divergence and 2 pC of charge per pulse! loa.ensta-paris.fr/2024/11/19/h... Published in: doi.org/10.1103/Phys... 030
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 12/11/2024LOA's QUANTUM group, with @kittenstate.bsky.social as lead author, have ou published a Phy.Rev.X Quantum-paper, proving high-harmonic-generatio to produce non-classical light states. loa.ensta-paris.fr/2024/11/12/e... doi.org/10.1103/PRXQ... 0112
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 02/10/2024LOA has created a new research group, called QUANTUM ! Check them out here: loa.ensta-paris.fr/research/ult... 010
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 25/09/2024LOA has a new doctor: Dr. Silin Fu has just defended his thesis! 010
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 03/09/2024Lucas Rovige has been awarded the 2024 PhD research award by the Plasma Physics Division of the European Physical Society (EPS) for his thesis “Optimization, stabilization and optical phase control of a high-repetition rate laser-wakefield accelerator”. Bravo! loa.ensta-paris.fr/2024/09/03/2... 020
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 03/09/2024In a new paper in Appl. Phys. Lett., we show how laser-filaments can be extended by a specially designed multifocal phase mask, and guide electric discharges over 2-3 times longer distances. loa.ensta-paris.fr/2024/09/03/e... doi.org/10.1063/5.02... 010
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 03/09/2024We made the crucial step from merely observing the effects of the ultra-intense laser waveforms on their interaction with plasma mirrors to actually *controlling* them: "Lightwave-controlled relativistic plasma mirrors", out in Opt. Lett.: doi.org/10.1364/OL.5... loa.ensta-paris.fr/2024/09/03/l... 000
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 04/03/2024Pablo San-Miguel-Claveria receives the René Pellat thesis prize of the French Physical Society's (SFP) plasma division. Congratulations Pablo! 110
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 04/03/2024Photoshoot with the PCO group in Salle Noire 2.0 010
Laboratoire d'Optique Appliqée (LOA) @labooptappl.bsky.social · 04/03/2024LOA welcomes 9 new researchers this academic year: 110