{"id":9139,"date":"2020-01-21T20:27:45","date_gmt":"2020-01-21T18:27:45","guid":{"rendered":"http:\/\/gap47.astrosurf.com\/?page_id=9139"},"modified":"2020-01-21T21:12:09","modified_gmt":"2020-01-21T19:12:09","slug":"recommandations-a-propos-des-lasers","status":"publish","type":"page","link":"https:\/\/gap47.astrosurf.com\/index.php\/recommandations-a-propos-des-lasers\/","title":{"rendered":"Recommandations li\u00e9es \u00e0 l&rsquo;utilisation des lasers"},"content":{"rendered":"<p style=\"text-align: center;\">&nbsp;<\/p>\n<p><strong> <img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-9141 aligncenter\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2020\/01\/Laser_radiation-1-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2020\/01\/Laser_radiation-1-300x300.jpg 300w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2020\/01\/Laser_radiation-1-150x150.jpg 150w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2020\/01\/Laser_radiation-1-100x100.jpg 100w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2020\/01\/Laser_radiation-1.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/strong><\/p>\n<p style=\"text-align: center;\"><strong><span style=\"font-family: 'times new roman', times, serif; font-size: 20px;\">Dans le domaine visible, une norme internationale d\u00e9termine le classement des lasers de la fa\u00e7on suivante&nbsp;:<\/span><\/strong><\/p>\n<ul>\n<li><span style=\"font-family: 'times new roman', times, serif; font-size: 20px;\">Classe 1&nbsp;: jusqu&rsquo;\u00e0 0,39&nbsp;\u00b5W.<\/span><\/li>\n<li><span style=\"font-family: 'times new roman', times, serif; font-size: 20px;\">Classe 2&nbsp;: de 0,39&nbsp;\u00b5W \u00e0 1&nbsp;mW.<\/span><\/li>\n<li><span style=\"font-family: 'times new roman', times, serif; font-size: 20px;\">Classe 3R&nbsp;: de 1 \u00e0 5&nbsp;mW.<\/span><\/li>\n<li><span style=\"font-family: 'times new roman', times, serif; font-size: 20px;\">Classe 3B&nbsp;: de 5 \u00e0 500&nbsp;mW.<\/span><\/li>\n<li><span style=\"font-family: 'times new roman', times, serif; font-size: 20px;\">Classe 4&nbsp;: au-del\u00e0 de 500&nbsp;mW.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: 'times new roman', times, serif; font-size: 20px;\">Les lasers de classes 1 et 2 sont consid\u00e9r\u00e9s comme non dangereux en utilisation normale. En revanche, les lasers de classes 3 et 4 peuvent provoquer de graves l\u00e9sions de la r\u00e9tine en cas d&rsquo;exposition, m\u00eame accidentelle. Pour la fabrication amateur d&rsquo;un interf\u00e9rom\u00e8tre, les classes 3B et 4 sont \u00e0 proscrire. Le recours \u00e0 un module laser de classe 3R peut s&rsquo;envisager \u00e0 condition de respecter obligatoirement certaines pr\u00e9cautions&nbsp;:<\/span><\/p>\n<table style=\"height: 443px; width: 631px; border-style: none;\">\n<tbody>\n<tr style=\"height: 535px;\">\n<td style=\"width: 285.609px; height: 443px;\">\n<ul>\n<li><span style=\"font-family: 'times new roman', times, serif; font-size: 20px;\">\u00c9viter les r\u00e9flexions parasites : supprimer les surfaces polies dans la direction du faisceau, quitter montres et bijoux, \u2026<\/span><\/li>\n<li><span style=\"font-family: 'times new roman', times, serif; font-size: 20px;\">Pr\u00e9parer les s\u00e9ances de contr\u00f4le en mettant en place une organisation limitant au maximum les risques d&rsquo;exposition<\/span><\/li>\n<li><span style=\"font-family: 'times new roman', times, serif; font-size: 20px;\">Ne pas se positionner dans l&rsquo;axe du miroir \u00e0 contr\u00f4ler<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: 'times new roman', times, serif;\">Id\u00e9alement, utiliser des lunettes de protection adapt\u00e9es \u00e0 la longueur d&rsquo;onde utilis\u00e9e et b\u00e9n\u00e9ficiant de la certification CE.<\/span><\/li>\n<\/ul>\n<\/td>\n<td style=\"width: 329.609px; height: 443px;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9142 size-full alignright\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2020\/01\/Lunettes_laser.jpg\" alt=\"\" width=\"356\" height=\"211\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2020\/01\/Lunettes_laser.jpg 356w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2020\/01\/Lunettes_laser-300x178.jpg 300w\" sizes=\"auto, (max-width: 356px) 100vw, 356px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #008000;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 20px;\"><em>Lunettes de protection 620 \u00e0 700 nm <\/em><\/span><span style=\"font-family: 'times new roman', times, serif; font-size: 20px;\"><em>(source APINEX)<\/em><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-family: 'times new roman', times, serif; font-size: 20px;\">Lors des r\u00e9glages&nbsp;:<\/span><\/p>\n<ul>\n<li><span style=\"font-family: 'times new roman', times, serif; font-size: 20px;\">Ne pas placer l\u2019\u0153il dans la direction des faisceaux<\/span><\/li>\n<li><span style=\"font-family: 'times new roman', times, serif; font-size: 20px;\">Ne pas travailler dans le noir (dans le noir la pupille est grande ouverte et est susceptible de r\u00e9cup\u00e9rer un maximum de flux lumineux).<\/span><\/li>\n<li><span style=\"font-family: 'times new roman', times, serif; font-size: 20px;\">Utiliser autant que possible le mode lasing dans lequel le laser fonctionne comme une diode et \u00e0 basse puissance.<\/span><\/li>\n<\/ul>\n<hr>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Dans le domaine visible, une norme internationale d\u00e9termine le classement des lasers de la fa\u00e7on suivante&nbsp;: Classe 1&nbsp;: jusqu&rsquo;\u00e0 0,39&nbsp;\u00b5W. Classe 2&nbsp;: de 0,39&nbsp;\u00b5W \u00e0 1&nbsp;mW. Classe 3R&nbsp;: de 1 \u00e0 5&nbsp;mW. Classe 3B&nbsp;: de 5 \u00e0 500&nbsp;mW. Classe 4&nbsp;: au-del\u00e0 de 500&nbsp;mW. Les lasers de classes 1 et 2 sont consid\u00e9r\u00e9s comme non &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/gap47.astrosurf.com\/index.php\/recommandations-a-propos-des-lasers\/\" class=\"more-link\">Continuer la lecture<span class=\"screen-reader-text\"> de &laquo;&nbsp;Recommandations li\u00e9es \u00e0 l&rsquo;utilisation des lasers&nbsp;&raquo;<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-9139","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Recommandations li\u00e9es \u00e0 l&#039;utilisation des lasers - L&#039;observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu&#039;au 3 juillet 2026 inclus, sans r\u00e9servation.<\/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:\/\/gap47.astrosurf.com\/index.php\/recommandations-a-propos-des-lasers\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Recommandations li\u00e9es \u00e0 l&#039;utilisation des lasers - L&#039;observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu&#039;au 3 juillet 2026 inclus, sans r\u00e9servation.\" \/>\n<meta property=\"og:description\" content=\"&nbsp; Dans le domaine visible, une norme internationale d\u00e9termine le classement des lasers de la fa\u00e7on suivante&nbsp;: Classe 1&nbsp;: jusqu&rsquo;\u00e0 0,39&nbsp;\u00b5W. Classe 2&nbsp;: de 0,39&nbsp;\u00b5W \u00e0 1&nbsp;mW. Classe 3R&nbsp;: de 1 \u00e0 5&nbsp;mW. Classe 3B&nbsp;: de 5 \u00e0 500&nbsp;mW. Classe 4&nbsp;: au-del\u00e0 de 500&nbsp;mW. Les lasers de classes 1 et 2 sont consid\u00e9r\u00e9s comme non &hellip; Continuer la lecture de &laquo;&nbsp;Recommandations li\u00e9es \u00e0 l&rsquo;utilisation des lasers&nbsp;&raquo;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/gap47.astrosurf.com\/index.php\/recommandations-a-propos-des-lasers\/\" \/>\n<meta property=\"og:site_name\" content=\"L&#039;observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu&#039;au 3 juillet 2026 inclus, sans r\u00e9servation.\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/astrogap47\/\" \/>\n<meta property=\"article:modified_time\" content=\"2020-01-21T19:12:09+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2020\/01\/Laser_radiation-1-300x300.jpg\" \/>\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=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/recommandations-a-propos-des-lasers\/\",\"url\":\"https:\/\/gap47.astrosurf.com\/index.php\/recommandations-a-propos-des-lasers\/\",\"name\":\"Recommandations li\u00e9es \u00e0 l'utilisation des lasers - L&#039;observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu&#039;au 3 juillet 2026 inclus, sans r\u00e9servation.\",\"isPartOf\":{\"@id\":\"https:\/\/gap47.astrosurf.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/recommandations-a-propos-des-lasers\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/recommandations-a-propos-des-lasers\/#primaryimage\"},\"thumbnailUrl\":\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2020\/01\/Laser_radiation-1-300x300.jpg\",\"datePublished\":\"2020-01-21T18:27:45+00:00\",\"dateModified\":\"2020-01-21T19:12:09+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/recommandations-a-propos-des-lasers\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/gap47.astrosurf.com\/index.php\/recommandations-a-propos-des-lasers\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/recommandations-a-propos-des-lasers\/#primaryimage\",\"url\":\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2020\/01\/Laser_radiation-1.jpg\",\"contentUrl\":\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2020\/01\/Laser_radiation-1.jpg\",\"width\":600,\"height\":600},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/recommandations-a-propos-des-lasers\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/gap47.astrosurf.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Recommandations li\u00e9es \u00e0 l&#8217;utilisation des lasers\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/gap47.astrosurf.com\/#website\",\"url\":\"https:\/\/gap47.astrosurf.com\/\",\"name\":\"De janvier \u00e0 fin juin 2024, le GAP47 sera ouvert aux visiteurs tous les vendredis \u00e0 21h sans r\u00e9servation, \u00e0 l'exception du vendredi 26 janvier o\u00f9 l'observatoire sera ferm\u00e9 au public.\",\"description\":\"Groupe d&#039;Astronomie Populaire du Lot-et-Garonne, \u00e0 Montayral\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/gap47.astrosurf.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Recommandations li\u00e9es \u00e0 l'utilisation des lasers - L&#039;observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu&#039;au 3 juillet 2026 inclus, sans r\u00e9servation.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/gap47.astrosurf.com\/index.php\/recommandations-a-propos-des-lasers\/","og_locale":"fr_FR","og_type":"article","og_title":"Recommandations li\u00e9es \u00e0 l'utilisation des lasers - L&#039;observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu&#039;au 3 juillet 2026 inclus, sans r\u00e9servation.","og_description":"&nbsp; Dans le domaine visible, une norme internationale d\u00e9termine le classement des lasers de la fa\u00e7on suivante&nbsp;: Classe 1&nbsp;: jusqu&rsquo;\u00e0 0,39&nbsp;\u00b5W. 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