{"id":19884,"date":"2026-01-19T23:52:06","date_gmt":"2026-01-19T22:52:06","guid":{"rendered":"https:\/\/amplitude-laser.com\/?post_type=produit&p=19884"},"modified":"2026-03-11T11:28:58","modified_gmt":"2026-03-11T10:28:58","slug":"focus-920","status":"publish","type":"produit","link":"https:\/\/amplitude-laser.com\/fr\/produits\/lasers-femtosecondes\/lasers-pour-la-science\/focus-920\/","title":{"rendered":"Focus 920"},"content":{"rendered":"\n

FOCUS 920 est un laser \u00e0 fibre femtoseconde d\u00e9di\u00e9 \u00e0 la microscopie multiphotonique et aux neurosciences.
Fonctionnant \u00e0 920 nm, la longueur d’onde d’excitation la plus couramment utilis\u00e9e pour l’imagerie \u00e0 deux photons, il offre une excitation efficace pour la fluorescence multiphotonique, la SHG et la THG, avec une p\u00e9n\u00e9tration profonde dans les tissus et un rapport signal\/bruit \u00e9lev\u00e9. Il est id\u00e9al pour l’imagerie du calcium et de la tension.
Bas\u00e9 sur une architecture enti\u00e8rement fibre optique, FOCUS 920 est une alternative robuste et \u00e9conomique aux oscillateurs Ti:Sapphire accordables. Il offre une stabilit\u00e9 \u00e0 long terme sans alignement, ne n\u00e9cessite aucune installation par un expert et est pr\u00eat \u00e0 l’emploi d\u00e8s sa sortie de l’emballage.
Fonctionnant \u00e0 40 MHz avec des impulsions ultra-courtes, le FOCUS 920 fournit une \u00e9nergie d’impulsion sup\u00e9rieure \u00e0 celle des syst\u00e8mes conventionnels de 80 MHz \u00e0 une puissance moyenne comparable, g\u00e9n\u00e9rant des signaux de fluorescence plus forts tout en r\u00e9duisant la charge thermique sur l’\u00e9chantillon. L’espacement accru des impulsions le rend \u00e9galement bien adapt\u00e9 \u00e0 l’imagerie par dur\u00e9e de vie de fluorescence (FLIM).
Compact, stable et facile \u00e0 int\u00e9grer, le FOCUS 920 offre une source lumineuse fiable et performante pour les applications d’imagerie multiphotonique exigeantes.<\/p>\n\n\n\n

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