{"id":1550,"date":"2024-03-31T18:32:23","date_gmt":"2024-03-31T16:32:23","guid":{"rendered":"https:\/\/aaoptoelectronic.com\/?post_type=contribution&#038;p=1550"},"modified":"2024-05-14T16:09:12","modified_gmt":"2024-05-14T14:09:12","slug":"modulateur-de-phase-variable","status":"publish","type":"contribution","link":"https:\/\/aaoptoelectronic.com\/fr\/contribution\/modulateur-de-phase-variable\/","title":{"rendered":"Modulateur de phase variable"},"content":{"rendered":"<p>Le d\u00e9phasage optique est n\u00e9cessaire dans diverses applications interf\u00e9rom\u00e9triques telles que la profilom\u00e9trie, l'holographie ou l'interf\u00e9rom\u00e9trie spatiale. Il existe plusieurs fa\u00e7ons de r\u00e9aliser des d\u00e9phasages optiques, l'une d'entre elles \u00e9tant l'utilisation des propri\u00e9t\u00e9s acousto-optiques.<\/p>\n\n\n\n<h2 class=\"gb-headline gb-headline-1f5cc5ec gb-headline-text\">D\u00e9phaseur \u00e0 fibres acousto-optiques en combinaison avec le pilote MPDS adapt\u00e9<\/h2>\n\n\n\n<p>AA a con\u00e7u un d\u00e9phaseur acousto-optique \u00e0 fibre pigtailed en combinaison avec le pilote MPDS adapt\u00e9. Ce tandem offre une nouvelle m\u00e9thode de contr\u00f4le de la phase optique au moyen de signaux RF d\u00e9phas\u00e9s. C'est ce qu'on appelle le d\u00e9phasage direct, c'est-\u00e0-dire que la phase optique est directement contr\u00f4l\u00e9e par le d\u00e9phasage relatif des signaux RF entre deux cristaux.<\/p>\n\n\n\n<p>Ces produits permettent un contr\u00f4le pr\u00e9cis de la phase optique avec une exactitude in\u00e9gal\u00e9e et peuvent \u00eatre utilis\u00e9s pour des longueurs d'onde dans le domaine spectral visible et infrarouge.<\/p>\n\n\n\n<h2 class=\"gb-headline gb-headline-c649b5d7 gb-headline-text\">Points forts du produit<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bo\u00eetier compact accueillant deux cellules AO + le pilote RF associ\u00e9.<\/li>\n\n\n\n<li>Contr\u00f4le de phase de haute pr\u00e9cision.<\/li>\n\n\n\n<li>Achromatique Contr\u00f4le de phase.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Optical phase shifting is required in various interferometric applications such as profilometry measurement, holography or spatial interferometry. There are several ways to make optical phase shifts, and one of them is using acousto-optic properties. Acousto-optic fiber pigtailed phase shifter in combination with the adapted MPDS driver AA designed an acousto-optic fiber pigtailed phase shifter in &#8230; <a title=\"Modulateur de phase variable\" class=\"read-more\" href=\"https:\/\/aaoptoelectronic.com\/fr\/contribution\/modulateur-de-phase-variable\/\" aria-label=\"En savoir plus sur Variable Phase Modulator\">Lire plus<\/a><\/p>","protected":false},"featured_media":1551,"template":"","class_list":["post-1550","contribution","type-contribution","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/aaoptoelectronic.com\/fr\/wp-json\/wp\/v2\/contribution\/1550","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aaoptoelectronic.com\/fr\/wp-json\/wp\/v2\/contribution"}],"about":[{"href":"https:\/\/aaoptoelectronic.com\/fr\/wp-json\/wp\/v2\/types\/contribution"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aaoptoelectronic.com\/fr\/wp-json\/wp\/v2\/media\/1551"}],"wp:attachment":[{"href":"https:\/\/aaoptoelectronic.com\/fr\/wp-json\/wp\/v2\/media?parent=1550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}