{"id":19262,"date":"2025-09-02T16:14:42","date_gmt":"2025-09-02T14:14:42","guid":{"rendered":"https:\/\/amplitude-laser.com\/applications\/%application_category%\/thz-spectroscopy-2\/"},"modified":"2025-09-02T18:16:22","modified_gmt":"2025-09-02T16:16:22","slug":"spectroscopie-thz-2","status":"publish","type":"application","link":"https:\/\/amplitude-laser.com\/fr\/applications\/science-fr\/spectroscopie-thz-2\/","title":{"rendered":"Spectroscopie THZ"},"content":{"rendered":"\n<p><strong>La spectroscopie terahertz dans le domaine temporel (TDS) utilise des impulsions THz \u00e0 faible \u00e9nergie dans la r\u00e9gion spectrale de 0,1 \u00e0 10 THz pour caract\u00e9riser et sonder les vibrations des atomes et des mol\u00e9cules au sein des mat\u00e9riaux, tant en amplitude qu&rsquo;en phase. De nombreux mat\u00e9riaux sont transparents dans la gamme THz, qui est sans danger pour la sant\u00e9, ce qui fait de la THz-TDS une technique \u00e0 fort potentiel pour de nombreuses applications soci\u00e9tales telles que la science fondamentale, la s\u00e9curit\u00e9 et la m\u00e9decine.<\/strong><\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Solutions laser pour THz-TDS<\/h2>\n\n\n\n<p>Comme mentionn\u00e9 dans la section Sources secondaires &#8211; G\u00e9n\u00e9ration de t\u00e9rahertz, diff\u00e9rents lasers et processus de conversion peuvent \u00eatre utilis\u00e9s en fonction de l&rsquo;\u00e9nergie d&rsquo;impulsion et de la gamme spectrale utilis\u00e9es. Amplitude propose une large gamme de solutions :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pour la g\u00e9n\u00e9ration de t\u00e9rahertz \u00e0 large bande avec filamentation bicolore, les lasers TiSa ultra-courts ont \u00e9t\u00e9 largement utilis\u00e9s, et aujourd&rsquo;hui, les lasers Ytterbium post-compress\u00e9s suscitent un int\u00e9r\u00eat croissant.<\/li>\n\n\n\n<li>Pour la rectification optique dans les cristaux organiques, les lasers Ytterbium sont g\u00e9n\u00e9ralement pr\u00e9f\u00e9r\u00e9s.<\/li>\n\n\n\n<li>Pour les cristaux organiques, les sources MIR OPCPA constituent la meilleure option.<\/li>\n<\/ul>\n","protected":false},"featured_media":6963,"template":"","application_category":[114],"class_list":["post-19262","application","type-application","status-publish","has-post-thumbnail","hentry","application_category-science-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Spectroscopie THZ - Amplitude<\/title>\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\/science-fr\/spectroscopie-thz-2\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Spectroscopie THZ - Amplitude\" \/>\n<meta property=\"og:description\" content=\"La spectroscopie terahertz dans le domaine temporel (TDS) utilise des impulsions THz \u00e0 faible \u00e9nergie dans la r\u00e9gion spectrale de 0,1 \u00e0 10 THz pour caract\u00e9riser et sonder les vibrations des atomes et des mol\u00e9cules au sein des mat\u00e9riaux, tant en amplitude qu&rsquo;en phase. 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