{"id":5262,"date":"2020-10-05T14:08:14","date_gmt":"2020-10-05T12:08:14","guid":{"rendered":"https:\/\/amplitude-laser.com\/?post_type=application&#038;p=5262"},"modified":"2025-05-09T12:21:16","modified_gmt":"2025-05-09T10:21:16","slug":"protontherapie","status":"publish","type":"application","link":"https:\/\/amplitude-laser.com\/fr\/applications\/medical-fr\/protontherapie\/","title":{"rendered":"Lasers pour Protonth\u00e9rapie"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"alignleft\"><img decoding=\"async\" width=\"300\" height=\"204\" src=\"https:\/\/amplitude-laser.com\/wp-content\/uploads\/2018\/10\/Protontherapy-article.jpg\" alt=\"illustration de mol\u00e9cules\" class=\"wp-image-2372\"\/><\/figure>\n<\/div>\n\n\n<p>La protonth\u00e9rapie est le traitement des tissus canc\u00e9reux en utilisant des protons ou des faisceaux charg\u00e9s d&rsquo;ions lourds. A la diff\u00e9rence des \u00e9lectrons ou des rayons X, qui ont tendance \u00e0 d\u00e9poser de l&rsquo;\u00e9nergie au dessus d&rsquo;une large portion du tissu, le d\u00e9p\u00f4t g\u00e9n\u00e9r\u00e9 par les protons est fait \u00e0 une profondeur tr\u00e8s sp\u00e9cifique. La profondeur ainsi choisie d\u00e9pend de l&rsquo;\u00e9nergie initiale des protons. Ainsi, les faisceaux de protons peuvent \u00eatre utilis\u00e9s pour enlever les tumeurs sans dommages collat\u00e9raux.<\/p>\n\n\n\n<p>La protonth\u00e9rapie est en ce moment utilis\u00e9e dans environ 30 centres dans le monde, et est effectu\u00e9e via l&rsquo;utilisation d&rsquo;acc\u00e9l\u00e9rateurs larges et co\u00fbteux. Cette technologie pose ainsi une certaine limitation dans l&rsquo;acc\u00e8s \u00e0 ce traitement.<\/p>\n\n\n\n<p>Comme alternative, les physiciens sont maintenant en train de regarder avec attention comment les lasers femtosecondes compacts pourraient \u00eatre d\u00e9velopp\u00e9s comme sources de protons moins co\u00fbteuses et plus petites. Le principe simple consiste au final \u00e0 tirer une impulsion intense et courte en direction d&rsquo;une cible solide et fine. Les protons et les autres ions sont ainsi pouss\u00e9s en dehors de la cible par les \u00e9lectrons et sont donc en cons\u00e9quence acc\u00e9l\u00e9r\u00e9s dans le champ \u00e9lectrique du laser sur des distances extr\u00eamement courtes, de l&rsquo;ordre de quelques microns.<\/p>\n\n\n\n<p>Amplitude fabrique des lasers intenses pour g\u00e9n\u00e9rer des faisceaux de protons et d&rsquo;ions. Nous aidons les chercheurs \u00e0 travers le monde \u00e0 \u00e9tudier comment g\u00e9n\u00e9rer des faisceaux de protons et comment ceux ci interagissent avec des cellules vivantes. La ligne de produit Pulsar a \u00e9t\u00e9 con\u00e7ue en poussant certaines caract\u00e9ristiques tels que le ratio de contraste, la qualit\u00e9 de faisceau et la stabilit\u00e9, pour r\u00e9pondre aux importantes attentes des physiciens dans ce domaine.<\/p>\n","protected":false},"featured_media":2374,"template":"","application_category":[113],"class_list":["post-5262","application","type-application","status-publish","has-post-thumbnail","hentry","application_category-medical-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lasers pour protonth\u00e9rapie et cancer - Amplitude<\/title>\n<meta name=\"description\" content=\"Les lasers Amplitudes sont utilis\u00e9s en protonth\u00e9rapie, pour le traitement des tissus canc\u00e9reux en utilisant des protons ou des faisceaux charg\u00e9s d&#039;ions lourds.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/amplitude-laser.com\/fr\/applications\/medical-fr\/protontherapie\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lasers pour protonth\u00e9rapie et cancer - Amplitude\" \/>\n<meta property=\"og:description\" content=\"Les lasers Amplitudes sont utilis\u00e9s en protonth\u00e9rapie, pour le traitement des tissus canc\u00e9reux en utilisant des protons ou des faisceaux charg\u00e9s d&#039;ions lourds.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/amplitude-laser.com\/fr\/applications\/medical-fr\/protontherapie\/\" \/>\n<meta property=\"og:site_name\" content=\"Amplitude\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-09T10:21:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/amplitude-laser.com\/wp-content\/uploads\/2018\/10\/Protontherapy-header.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1904\" \/>\n\t<meta property=\"og:image:height\" content=\"1269\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/amplitude-laser.com\\\/fr\\\/applications\\\/medical-fr\\\/protontherapie\\\/\",\"url\":\"https:\\\/\\\/amplitude-laser.com\\\/fr\\\/applications\\\/medical-fr\\\/protontherapie\\\/\",\"name\":\"Lasers pour protonth\u00e9rapie et cancer - 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