{"id":5265,"date":"2020-10-05T14:16:29","date_gmt":"2020-10-05T12:16:29","guid":{"rendered":"https:\/\/amplitude-laser.com\/?post_type=application&#038;p=5265"},"modified":"2025-09-02T17:00:04","modified_gmt":"2025-09-02T15:00:04","slug":"imagerie-rayon-x","status":"publish","type":"application","link":"https:\/\/amplitude-laser.com\/fr\/applications\/medical-fr\/imagerie-rayon-x\/","title":{"rendered":"Lasers pour l&rsquo;imagerie rayon X"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"alignleft\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/amplitude-laser.com\/wp-content\/uploads\/2018\/10\/Imagerie-Rayon-X-article.jpg\" alt=\"Imagerie rayons X\" class=\"wp-image-2377\"\/><\/figure>\n<\/div>\n\n\n<p>La technologie des rayons X \u00e0 l&rsquo;incroyable propri\u00e9t\u00e9 de p\u00e9n\u00e9trer presque n&rsquo;importe quel mat\u00e9riel et tissu, permettant ainsi la production d&rsquo;images en 2D ou 3D d&rsquo;objets ou d&rsquo;humains. Les deux techniques sont maintenant bien \u00e9tablies et r\u00e9pandues par exemple dans les h\u00f4pitaux ou les a\u00e9roports, et se basent sur une ancienne technologie \u00e9prouv\u00e9e, les tubes \u00e0 rayons X. Malheureusement, cette technologie fait face \u00e0 des limites de nature physique qui l&#8217;emp\u00eachent de produire des images de rayons X d&rsquo;haute qualit\u00e9, r\u00e9sultats r\u00e9serv\u00e9s jusqu&rsquo;\u00e0 maintenant aux grandes installations de synchrotrons. Intervient alors la technologie des lasers ultracourts.<\/p>\n\n\n\n<p>Les laboratoires ont rapidement r\u00e9alis\u00e9s que les lasers ultracourts avaient la possibilit\u00e9 de surpasser des limitations gr\u00e2ce \u00e0 un nouveau proc\u00e9d\u00e9 physique. Un faisceau d&rsquo;haute intensit\u00e9 est concentr\u00e9 sur une cible solide et produit un plasma chaud dans un emplacement extr\u00eamement confin\u00e9. Les \u00e9lectrons pr\u00e9sents dans le plasma sont alors convertis en rayons X quand ils touchent la cible, comme dans le tubes conventionnels, mais avec une intensit\u00e9 bien plus importante une fois les bons param\u00e8tres choisis.<\/p>\n\n\n\n<p>Cette technique de laser permet entre autres:<\/p>\n\n\n\n<p>&#8211; atteindre une source de luminosit\u00e9 plus importante qu&rsquo;avec les tubes \u00e0 rayons X,<br>&#8211; avoir un r\u00e9sultat poss\u00e9dant une bien meilleure r\u00e9solution, avec une dose de d\u00e9p\u00f4ts bien plus r\u00e9duite,<br>&#8211; donner acc\u00e8s \u00e0 tout le monde \u00e0 des r\u00e9sultats dignes des sources synchrotron.<\/p>\n\n\n\n<p>Nous sommes ainsi convaincus que cette nouvelle source de rayons X va r\u00e9volutionner le monde de l&rsquo;imagerie m\u00e9dicale, en donnant acc\u00e8s notamment aux h\u00f4pitaux \u00e0 des images de bien meilleure r\u00e9solution dans les prochaines ann\u00e9es.<\/p>\n","protected":false},"featured_media":2379,"template":"","application_category":[113],"class_list":["post-5265","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 - 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