{"id":1163,"date":"2014-08-18T09:28:54","date_gmt":"2014-08-18T08:28:54","guid":{"rendered":"https:\/\/www.prophotonix.com\/?p=1163"},"modified":"2020-10-16T11:01:28","modified_gmt":"2020-10-16T10:01:28","slug":"machine-vision-lighting-ir-machine-vision-lighting-ir-infrared-machine-vision-lighting-applications","status":"publish","type":"post","link":"https:\/\/www.prophotonix.com\/machine-vision-lighting-ir-machine-vision-lighting-ir-infrared-machine-vision-lighting-applications\/","title":{"rendered":"IR Machine Vision Lighting and Applications"},"content":{"rendered":"<h2>Why use Infrared for Machine Vision Lighting?<\/h2>\n<p>There are many different reasons to use infrared (IR) light in <a href=\"https:\/\/www.prophotonix.com\/applications\/machine-vision-lighting\/\">machine vision applications<\/a>. Essentially, IR lighting enables vision systems to work outside of the visible spectrum. Examples include systems where:<\/p>\n<p>1. Visible light needs to be avoided<br \/>\n2. Material is opaque to visible light<\/p>\n<h2>Application examples:<\/h2>\n<h2>IR Machine Vision Lighting where visible light must be avoided<\/h2>\n<p>An obvious example of the use of\u00a0<a href=\"https:\/\/www.prophotonix.com\/applications\/machine-vision-lighting\/ir-machine-vision-lighting\/\"><u data-redactor-tag=\"u\"><strong data-redactor-tag=\"strong\">IR Machine Vision lighting<\/strong><\/u><\/a>\u00a0is a non-industrial example; that of\u00a0<a href=\"https:\/\/www.prophotonix.com\/blog\/ir-illuminator-ir-illuminator-for-anpr-systems\/\"><strong data-redactor-tag=\"strong\"><u data-redactor-tag=\"u\">Automatic Number\/ License Plate Recognition (ANPR\/ ALPR<\/u><\/strong>)<\/a>. IR lighting is chosen in this application primarily because it is not visible to the human eye. Visible light in such an application would negatively impact drivers.\u00a0<a href=\"https:\/\/www.prophotonix.com\/blog\/wavelength-machine-vision-lighting\/\"><u data-redactor-tag=\"u\"><strong data-redactor-tag=\"strong\">Wavelength selection<\/strong><\/u><\/a>\u00a0is critical in this application as the wavelength must remain invisible to the human eye, but also take into account the sensitivity of the camera and the reflective properties of the licence plates.<\/p>\n<h2>IR Machine Vision lighting where the material is opaque to visible light<\/h2>\n<p>There are a wide range of examples of materials that are opaque to visible light, but transmit IR light, such as\u00a0<strong data-redactor-tag=\"strong\">dark glass, certain plastics and semiconductor materials<\/strong>. Because machine vision cameras are typically sensitive to IR light, these cameras can be used with\u00a0<a href=\"https:\/\/www.prophotonix.com\/applications\/machine-vision-lighting\/ir-machine-vision-lighting\/\"><u data-redactor-tag=\"u\"><strong data-redactor-tag=\"strong\">IR machine vision lighting<\/strong><\/u><\/a>\u00a0to detect faults in dark glass, micro cracks and occlusions in semiconductor materials etc.<\/p>\n<p>To learn about the key challenges in selecting <a href=\"https:\/\/www.prophotonix.com\/applications\/machine-vision-lighting\/\">Machine Vision Lighting<\/a> or IR Machine Vision Lighting, check out our next post or visit our <u data-redactor-tag=\"u\"><\/u><a href=\"https:\/\/www.prophotonix.com\/applications\/machine-vision-lighting\/ir-machine-vision-lighting\/\"><strong data-redactor-tag=\"strong\"><u data-redactor-tag=\"u\">IR Machine Vision Lighting webpage<\/u><\/strong><\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ProPhotonix provides a wide range of custom LED lights for dental imaging applications including miniature LED-based 3D-imaging light sources and LED lamps used in x-ray imaging applications. This post will discuss these applications, the critical requirements in these applications and how ProPhotonix achieved optimal performance.<\/p>\n","protected":false},"author":4,"featured_media":4292,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[56],"tags":[],"class_list":["post-1163","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-machine-vision-lighting","industry-machine-vision-lighting","product-category-led-product"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>IR Machine Vision Lighting<\/title>\n<meta name=\"description\" content=\"This post explores the reasons why you would use IR Machine Vision Lighting including visibility and material characteristics with application examples.\" \/>\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.prophotonix.com\/machine-vision-lighting-ir-machine-vision-lighting-ir-infrared-machine-vision-lighting-applications\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"IR Machine Vision Lighting\" \/>\n<meta property=\"og:description\" content=\"This post explores the reasons why you would use IR Machine Vision Lighting including visibility and material characteristics with application examples.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.prophotonix.com\/machine-vision-lighting-ir-machine-vision-lighting-ir-infrared-machine-vision-lighting-applications\/\" \/>\n<meta property=\"og:site_name\" content=\"Prophotonix\" \/>\n<meta property=\"article:published_time\" content=\"2014-08-18T08:28:54+00:00\" \/>\n<meta property=\"article:modified_time\" 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