{"id":41817,"date":"2022-01-03T18:38:15","date_gmt":"2022-01-03T17:38:15","guid":{"rendered":"https:\/\/www.trioptics.fr\/?post_type=product&#038;p=41817"},"modified":"2025-05-20T12:16:08","modified_gmt":"2025-05-20T10:16:08","slug":"mirror-beam-expanders","status":"publish","type":"product","link":"https:\/\/www.trioptics.fr\/en\/product\/mirror-beam-expanders\/","title":{"rendered":"Mirror Beam Expanders"},"content":{"rendered":"<p>Optical Surfaces <strong class=\"d2b\">mirror beam expanders<\/strong> are perfectly achromatic. They incorporate a primary spherical mirror and a secondary parabolic off-axis mirror. This concept, known as the &#8220;Dall-Kirkham&#8221; concept, eliminates any central obscuration. Each mirror has a surface quality of lambda\/10 P-V.<\/p>\n<p>The design of these <strong class=\"d2b\">beam expander systems<\/strong> emphasizes mechanical stability to avoid any cumbersome mirror realignment even when the <strong class=\"d2b\">beam expander<\/strong> is moved.<\/p>\n<p>The high flexibility of the production tool allows us to offer a very wide choice of widths and opening diameters.<\/p>\n<p>Versions prepared for vacuum use are also available.<\/p>\n<p><span class=\"fort\">Main features of the<strong> mirror beam expander<\/strong>:<\/span><\/p>\n<table style=\"width: 330px;\">\n<tbody>\n<tr style=\"height: 19px;\">\n<td style=\"width: 142px; height: 19px; text-align: center;\">Magnification<\/td>\n<td style=\"width: 186px; height: 19px;\">From X5 to X20<\/td>\n<\/tr>\n<tr style=\"height: 19px;\">\n<td style=\"width: 142px; height: 19px; text-align: center;\">Achromatism<\/td>\n<td style=\"width: 186px; height: 19px;\">From l\u2019UV to l\u2019IR<\/td>\n<\/tr>\n<tr style=\"height: 19px;\">\n<td style=\"width: 142px; height: 19px; text-align: center;\">Input diameter<\/td>\n<td style=\"width: 186px; height: 19px;\">From 3 to 150 mm<\/td>\n<\/tr>\n<tr style=\"height: 19px;\">\n<td style=\"width: 142px; height: 19px; text-align: center;\">Output diameter<\/td>\n<td style=\"width: 186px; height: 19px;\">From 20 to 400 mm<\/td>\n<\/tr>\n<tr style=\"height: 18.5px;\">\n<td style=\"width: 142px; height: 18.5px; text-align: center;\">WFE<\/td>\n<td style=\"width: 186px; height: 18.5px;\">&lt; 0,25 lambda PTV<\/td>\n<\/tr>\n<tr style=\"height: 19px;\">\n<td style=\"width: 142px; height: 19px; text-align: center;\">Traitements<\/td>\n<td style=\"width: 186px; height: 19px;\">Metallized or multi-dielectric coatings.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div><\/div>\n<div class=\"ctadiv\"><a class=\"cta\" href=\"https:\/\/www.trioptics.fr\/en\/contact\/\">Contact us for a quote<\/a><\/div>\n<div class=\"tlchgmt\">\n<p class=\"titdoc\"><span class=\"tittel\">Download data sheet<\/span><\/p>\n<p><a class=\"doctel\" href=\"https:\/\/www.trioptics.fr\/wp-content\/uploads\/produits\/fichiers\/N-Expanseurs.pdf\" target=\"_blank\" rel=\"noopener\">Documentation <span class=\"nomtel\">N-Expanseurs.pdf<\/span><\/a><\/p>\n<\/div>\n<div class=\"video\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp;<\/p>\n","protected":false},"featured_media":36799,"template":"","meta":{"rs_blank_template":"","rs_page_bg_color":"","slide_template_v7":""},"product_brand":[],"product_cat":[1623],"product_tag":[],"class_list":["post-41817","product","type-product","status-publish","has-post-thumbnail","product_cat-mirror-expanders-and-collimators","first","instock","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mirror Beam Expanders<\/title>\n<meta name=\"description\" content=\"TRIOPTICS supplies mirror beam expanders for your optical applications. 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