#fel

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katch wreck

`Hooker and his collaborators achieved both goals by directing ring-shaped pulses from an auxiliary laser into a gas cell. These pulses ionized the gas and created a cylindrical plasma channel 110 mm long with favorable radial and axial density profiles. When pulses from the main laser entered the channel, electrons in the low-density plasma at the channel entrance were injected and accelerated in the main body of the channel.`

physics.aps.org/articles/v16/s

#electronLaser #freeElectronLaser #FEL

Creating Fast Bunches of Electrons with Lasers

The judicious shaping of a tube of plasma by one laser…

physics.aps.org
Dec 13, 2023, 00:55 · · 0 · 0
Audrey Plessis :sunny:

"La classe virtuelle : entre continuités et ruptures, quelles reconfigurations des pratiques", Dossier #Eduveille de l'#IFÉ n°141, décembre 2022 par Prisca Fenoglio (historique, définitions, enjeux, perspectives...)
➡️ eduveille.hypotheses.org/16843

#Classeadistance #ClasseVirtuelle #FOAD #FEL #Formation #Enseignement #Apprentissage

Capture paragraphe sur les objectifs du dossier.
Capture Sommaire du dossier.
Capture haut de la première page, dossier 141, décembre 2022.
Jan 18, 2023, 08:02 · · 0 · 0
Aldarull Llibreria Anarquista

Demá anirem a posar una paradeta a la universitat del Raval, amb aquests nois i noies tan macas de l'assamblea llibertària. Jovent lluitador i combatiu, casi ná!🏴 🔥 ✊
Veniu a veure'ns que aquests llibres que us portem no els teniu a la biblioteca de la uni eeeh 😉 🖤

#AldarullEsMou #UBRaval #FEL #FelizJueves

Nov 23, 2022, 18:17 · · 0 · 0

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