{"id":3116,"date":"2024-04-02T08:50:17","date_gmt":"2024-04-02T06:50:17","guid":{"rendered":"https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/?p=3116"},"modified":"2024-04-02T08:55:24","modified_gmt":"2024-04-02T06:55:24","slug":"le-laser-le-plus-puissant-du-monde","status":"publish","type":"post","link":"https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/?p=3116","title":{"rendered":"Le laser le plus puissant du monde"},"content":{"rendered":"\n<p>\u00c0 M\u0103gurele, pr\u00e8s de Bucarest, le laser europ\u00e9en le plus puissant du monde a \u00e9mis ses premi\u00e8res impulsions de 10 p\u00e9tawatts .<\/p>\n\n\n\n<p>Cette \u00e9mission de lumi\u00e8re laser repr\u00e9sente la plus grande puissance jamais atteinte au monde, atteignant 10 millions de milliards de watts, soit environ un dixi\u00e8me de l&rsquo;\u00e9nergie solaire re\u00e7ue sur Terre. Pour donner une id\u00e9e de l&rsquo;\u00e9chelle, cela d\u00e9passe de six millions de fois la puissance d&rsquo;un r\u00e9acteur EPR. Cependant, malgr\u00e9 cette \u00e9norme puissance, la salle de contr\u00f4le n&rsquo;a pas trembl\u00e9, car cette \u00e9nergie est lib\u00e9r\u00e9e sur une tr\u00e8s courte p\u00e9riode, environ 25 femtosecondes, soit 25 millioni\u00e8mes de milliardi\u00e8mes de seconde, et sur une surface de quelques microm\u00e8tres\u00b2 .<\/p>\n\n\n\n<p>Install\u00e9 dans le centre de recherche ELI-NP (Extreme Light Infrastructure), le syst\u00e8me Thales, l\u2019une des principales installations du D\u00e9partement du Syst\u00e8me Laser (DSL), est dot\u00e9 de sp\u00e9cifications largement sup\u00e9rieures aux installations existantes.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"553\" src=\"https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/wp-content\/uploads\/2024\/04\/Thales-1024x553.png\" alt=\"\" class=\"wp-image-3119\" srcset=\"https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/wp-content\/uploads\/2024\/04\/Thales-1024x553.png 1024w, https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/wp-content\/uploads\/2024\/04\/Thales-300x162.png 300w, https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/wp-content\/uploads\/2024\/04\/Thales-768x414.png 768w, https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/wp-content\/uploads\/2024\/04\/Thales.png 1423w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u00c0 M\u0103gurele, pr\u00e8s de Bucarest, le laser europ\u00e9en le plus puissant du monde a \u00e9mis ses premi\u00e8res impulsions de 10 p\u00e9tawatts . Cette \u00e9mission de lumi\u00e8re laser repr\u00e9sente la plus grande puissance jamais atteinte au monde, atteignant 10 millions de milliards de watts, soit environ un dixi\u00e8me de l&rsquo;\u00e9nergie solaire re\u00e7ue sur Terre. Pour donner une id\u00e9e de l&rsquo;\u00e9chelle, cela d\u00e9passe de six millions de fois la puissance d&rsquo;un r\u00e9acteur EPR. Cependant, malgr\u00e9 cette \u00e9norme puissance, la salle de contr\u00f4le n&rsquo;a pas trembl\u00e9, car cette \u00e9nergie est lib\u00e9r\u00e9e sur une&hellip;<\/p>\n","protected":false},"author":1,"featured_media":3117,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3116","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seconde"],"gutentor_comment":0,"_links":{"self":[{"href":"https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/index.php?rest_route=\/wp\/v2\/posts\/3116","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3116"}],"version-history":[{"count":2,"href":"https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/index.php?rest_route=\/wp\/v2\/posts\/3116\/revisions"}],"predecessor-version":[{"id":3120,"href":"https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/index.php?rest_route=\/wp\/v2\/posts\/3116\/revisions\/3120"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/index.php?rest_route=\/wp\/v2\/media\/3117"}],"wp:attachment":[{"href":"https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3116"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3116"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sites.ac-nancy-metz.fr\/physique\/wp_local\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}