{"id":406835,"date":"2022-11-28T10:38:05","date_gmt":"2022-11-28T09:38:05","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=406835"},"modified":"2022-11-28T10:38:05","modified_gmt":"2022-11-28T09:38:05","slug":"spectrometre-spatial-heterodyne","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/spectrometre-spatial-heterodyne\/","title":{"rendered":"Spectrom\u00e8tre spatial h\u00e9t\u00e9rodyne"},"content":{"rendered":"<p>Le spectrom\u00e8tre HES d\u00e9velopp\u00e9 par IS-Instruments et commercialis\u00e9 par Opton Laser, est bas\u00e9 sur le concept d\u2019interf\u00e9rom\u00e9trie spatiale h\u00e9t\u00e9rodyne. Cette technologie permet, par traitement de Fourier de la figure d\u2019interf\u00e9rence d\u2019un interf\u00e9rom\u00e8tre \u00ab type Michelson \u00bb o\u00f9 les miroirs sont remplac\u00e9s par des r\u00e9seaux de diffraction, d\u2019obtenir une tr\u00e8s grande r\u00e9solution spectrale sans avoir besoin d\u2019une fente d\u2019entr\u00e9e sur le spectrom\u00e8tre, permettant ainsi la collection de ~ 100-500 fois de signal que sur un spectrom\u00e8tre Czerny-Turner classique. Et le tout dans un syst\u00e8me tr\u00e8s compact et sans aucune pi\u00e8ce mobile !<\/p>\n<p>Diff\u00e9rents d\u00e9tecteurs, refroidis ou non, sont propos\u00e9s pour couvrir les gammes du Silicium et de l\u2019InGaAs (i.e. ~ 200 \u2013 1700 nm). Le couplage se fait par connecteur SMA en standard (FC\/PC sur demande) par fibre de 1 mm \/ NA 0.22 (jusqu\u2019\u00e0 5 mm sur demande).<\/p>\n<p>Cette technologie est id\u00e9ale pour les applications \u00e0 faible taux de lumi\u00e8re telles que la spectroscopie Raman, des mesures en astronomie ou certaines applications de fluorescence \u00e0 bas niveau de lumi\u00e8re.<\/p>\n<p>&nbsp;<\/p>\n<p><a title=\"www.optonlaser.com\" href=\"http:\/\/www.optonlaser.com\">www.optonlaser.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le spectrom\u00e8tre HES d\u00e9velopp\u00e9 par IS-Instruments et commercialis\u00e9 par Opton Laser, est bas\u00e9 sur le concept d\u2019interf\u00e9rom\u00e9trie spatiale h\u00e9t\u00e9rodyne. Cette technologie permet, par traitement de Fourier de la figure d\u2019interf\u00e9rence d\u2019un interf\u00e9rom\u00e8tre \u00ab type Michelson \u00bb o\u00f9 les miroirs sont remplac\u00e9s par des r\u00e9seaux de diffraction, d\u2019obtenir une tr\u00e8s grande r\u00e9solution spectrale sans avoir besoin [&hellip;]<\/p>\n","protected":false},"author":36,"featured_media":406836,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[911],"domains":[47],"ppma_author":[1154],"class_list":["post-406835","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-testandmeasurement-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Spectrom\u00e8tre spatial h\u00e9t\u00e9rodyne ...<\/title>\n<meta name=\"description\" content=\"Le spectrom\u00e8tre HES d\u00e9velopp\u00e9 par IS-Instruments et commercialis\u00e9 par Opton Laser, est bas\u00e9 sur le concept d\u2019interf\u00e9rom\u00e9trie spatiale h\u00e9t\u00e9rodyne....\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/406835\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Spectrom\u00e8tre spatial h\u00e9t\u00e9rodyne\" \/>\n<meta property=\"og:description\" content=\"Le spectrom\u00e8tre HES d\u00e9velopp\u00e9 par IS-Instruments et commercialis\u00e9 par Opton Laser, est bas\u00e9 sur le concept d\u2019interf\u00e9rom\u00e9trie spatiale h\u00e9t\u00e9rodyne. 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