{"id":13956,"date":"2023-09-03T18:23:23","date_gmt":"2023-09-03T18:23:23","guid":{"rendered":"https:\/\/www.rayzeek.com\/?p=13956"},"modified":"2023-12-26T08:42:14","modified_gmt":"2023-12-26T08:42:14","slug":"what-is-stray-light","status":"publish","type":"post","link":"https:\/\/www.rayzeek.com\/da\/ordliste\/hvad-er-strolys","title":{"rendered":"Hvad er stray light"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-stray-light\">Hvad er stray light<\/h2><p>Str\u00f8lys refererer til u\u00f8nsket lys, der tr\u00e6nger ind i et optisk system og forstyrrer dets tilsigtede funktioner. Det kan forekomme i b\u00e5de billeddannelses- og projektionssystemer, men det er is\u00e6r vigtigt at kontrollere i billeddannelsessystemer. Der er flere kilder til str\u00f8lys, der kan p\u00e5virke et optisk systems ydeevne. En almindelig kilde er lysrefleksioner fra mekaniske monteringsflader i systemet. Disse refleksioner kan hoppe af overfladerne og tr\u00e6nge ind i billeddannelses- eller projektionsbanen og for\u00e5rsage u\u00f8nsket interferens.<\/p><div class=\"insert_portfolio_outer_wrapper\"><h3>Bliv inspireret af Rayzeek bev\u00e6gelsessensorportef\u00f8ljer.<\/h3><p>Finder du ikke det, du \u00f8nsker? Bare rolig. Der er altid alternative m\u00e5der at l\u00f8se dine problemer p\u00e5. M\u00e5ske kan en af vores portef\u00f8ljer hj\u00e6lpe.<\/p><div class = \"insert_portfolio_buttons\"><div class = \"insert_portfolio_button_wrapper\"><div><a href = \"https:\/\/www.rayzeek.com\/da\/product-category\/bevaegelsessensorer\"><p>PIR-bev\u00e6gelsessensorer<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/da\/bevaegelsessensorafbrydere\"><p>Bev\u00e6gelsessensorafbrydere<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/da\/occupancy-vacancy-sensors\"><p>Tilstedev\u00e6relsessensorer<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/da\/produkter\/rz050\"><p>Bev\u00e6gelsessensor til klimaanl\u00e6g<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/da\/product-category\/motion-sensor-light-strip\"><p>Bev\u00e6gelsessensor-lyslister<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/da\/product-category\/dc-sensor-lysdaemper\"><p>Lavsp\u00e6ndings DC-bev\u00e6gelsessensorer\/d\u00e6mpere<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/da\/product-category\/tradlose-bevaegelsessensorer\"><p>Tr\u00e5dl\u00f8se bev\u00e6gelsessensors\u00e6t<\/p><\/a><\/div><\/div><\/div><\/div><p>En anden kilde til str\u00f8lys er lysl\u00e6kage gennem huller eller revner i systemets kabinet. Hvis der er \u00e5bninger i kabinettet, kan eksternt lys tr\u00e6nge ind i systemet og forstyrre den \u00f8nskede lysudgang. Derudover kan str\u00f8lys skyldes lysspredning fra st\u00f8vpartikler eller ufuldkommenheder p\u00e5 systemets optiske overflader. Disse ufuldkommenheder kan f\u00e5 lys til at spredes i utilsigtede retninger, hvilket f\u00f8rer til u\u00f8nsket interferens i det optiske system. Str\u00f8lys kan ogs\u00e5 stamme fra interne kilder, s\u00e5som elementer i systemet, der udsender lys p\u00e5 grund af deres egen varme, is\u00e6r i infrar\u00f8df\u00f8lsomme systemer. Dette kan introducere u\u00f8nsket infrar\u00f8d str\u00e5ling i systemet, hvilket p\u00e5virker n\u00f8jagtigheden og kvaliteten af billeddannelsen eller projektionen.<\/p><div class=\"wp-block-group glossary_faqs\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions\">Ofte stillede sp\u00f8rgsm\u00e5l<\/h2>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-is-it-called-when-you-see-glare-around-lights\">Hvad kaldes det, n\u00e5r du ser bl\u00e6nding omkring lys<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>At se glorier omkring lys er et f\u00e6nomen kendt som diffraktion. Diffraktion opst\u00e5r, n\u00e5r lys b\u00f8jes, n\u00e5r det kommer ind i \u00f8jet. Mens briller og kontaktlinser nogle gange kan for\u00e5rsage diffraktion, kan det ogs\u00e5 v\u00e6re en bivirkning af visse sygdomme.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-does-stray-light-mean\">Hvad betyder str\u00f8lys<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Definition. Str\u00f8lys refererer til enhver u\u00f8nsket elektromagnetisk str\u00e5ling, der forstyrrer de tilsigtede funktioner i et optisk system.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-causes-stray-light\">Hvad for\u00e5rsager str\u00f8lys<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Str\u00f8lys kan v\u00e6re for\u00e5rsaget af forskellige faktorer, s\u00e5som ufuldkommenheder i det spredende element eller andre optiske overflader, diffraktionseffekter, optiske aberrationer eller beskadigede eller slidte komponenter. Det er ogs\u00e5 vigtigt at sikre, at fremmed lys, s\u00e5som lysl\u00e6kager ved cellekamre eller andre mekaniske gr\u00e6nser, elimineres.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-how-do-you-determine-stray-light\">Hvordan bestemmer du str\u00f8lys<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Str\u00f8lys i et instrument refererer til lys, der er til stede i instrumentet, men som ikke matcher den b\u00f8lgel\u00e6ngde, der er indstillet p\u00e5 monokromatoren. Simpelthen sagt, hvis monokromatoren er indstillet til 600 nm, betragtes alt lys, der ikke er n\u00f8jagtigt 600 nm, som str\u00f8lys.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-is-the-stray-light-in-a-spectrophotometer\">Hvad er str\u00f8lyset i et spektrofotometer<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>I et spektrofotometer refererer str\u00f8lys til det lys, der omg\u00e5r pr\u00f8ven og direkte n\u00e5r detektoren. Denne forekomst kan for\u00e5rsage un\u00f8jagtige m\u00e5leresultater.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-how-can-we-prevent-stray-light\">Hvordan kan vi forhindre str\u00f8lys<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Begr\u00e6nsning af bl\u00e6ndest\u00f8rrelsen: Ved at begr\u00e6nse st\u00f8rrelsen p\u00e5 bl\u00e6nden kan vi effektivt forhindre str\u00f8lys i at tr\u00e6nge ind i systemet og p\u00e5virke detektoren. Dette er is\u00e6r afg\u00f8rende i applikationer, der kr\u00e6ver billeddannelse med h\u00f8j kontrast, da selv en mindre m\u00e6ngde str\u00f8lys kan have en negativ indvirkning p\u00e5 billedets kvalitet.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-how-does-stray-light-affect-absorbance\">Hvordan p\u00e5virker str\u00f8lys absorbansen<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Efter en kort periode med fald udj\u00e6vnes de m\u00e5lte absorbanser, n\u00e5r de n\u00e5r str\u00f8lysv\u00e6rdierne for instrumentet. Str\u00f8lys fotometriske artefakter resulterer konsekvent i absorbansv\u00e6rdier, der er lavere end de faktiske v\u00e6rdier.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-is-stray-light-analysis\">Hvad er str\u00f8lysanalyse<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>I det v\u00e6sentlige refererer str\u00f8lysanalyse til unders\u00f8gelsen af lys, der ikke f\u00f8lger den tilsigtede sti i et system og i stedet p\u00e5virker kvaliteten af det \u00f8nskede billede. Det er afg\u00f8rende at vurdere virkningen af dette str\u00f8lys p\u00e5 ydeevnen, f\u00f8r du forts\u00e6tter med fysisk prototyping.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-is-the-limit-of-stray-light-in-uv\">Hvad er gr\u00e6nsen for str\u00f8lys i UV<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Str\u00f8lys kan udg\u00f8re en udfordring i hele spektrofotometerets spektrale omr\u00e5de, der omfatter UV-, VIS- og NIR-omr\u00e5derne. Det bliver dog i stigende grad problematisk, n\u00e5r du n\u00e6rmer dig UV-omr\u00e5det, specifikt inden for omr\u00e5det 190-300 nm.<\/p><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Str\u00f8lys refererer til ethvert u\u00f8nsket lys, der tr\u00e6nger ind i et optisk system og forstyrrer dets tilsigtede funktioner. Det kan forekomme i b\u00e5de billed- og projektionssystemer, men det er s\u00e6rligt vigtigt at kontrollere i billedsystemer.<\/p>","protected":false},"author":4,"featured_media":12859,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"[{\"keyword\": \"optical system\", \"idxall\": 0, \"keywordtitlesimi\": 0.9077358245849609, \"keywordslugsimi\": 0.9077358245849609, \"paratitlesimi\": 0.6742519736289978, \"paraslugsimi\": 0.6742519736289978, \"slug\": \"what-is-optical-system\", \"title\": \"What is Optical System\", \"id\": 13958}, {\"keyword\": \"interference\", \"idxall\": 0, \"keywordtitlesimi\": 0.8127361536026001, \"keywordslugsimi\": 0.8127361536026001, \"paratitlesimi\": 0.5903350114822388, \"paraslugsimi\": 0.5903350114822388, \"slug\": \"what-is-electromagnetic-interference\", \"title\": \"What is Electromagnetic Interference\", \"id\": 14224}, {\"keyword\": \"reflections\", \"idxall\": 1, \"keywordtitlesimi\": 0.8031681776046753, \"keywordslugsimi\": 0.8031681776046753, \"paratitlesimi\": 0.6135983467102051, \"paraslugsimi\": 0.6135983467102051, \"slug\": \"what-is-reflection\", \"title\": \"What is Reflection\", \"id\": 14119}]","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"Stray light","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[102],"tags":[99],"class_list":["post-13956","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-glossary"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is Stray Light - Rayzeek<\/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:\/\/www.rayzeek.com\/da\/ordliste\/hvad-er-strolys\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Stray Light - Rayzeek\" \/>\n<meta property=\"og:description\" content=\"Stray light refers to any unwanted light that enters an optical system and interferes with its intended functions. It can occur in both imaging and projection systems, but it is particularly critical to control in imaging systems.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.rayzeek.com\/da\/ordliste\/hvad-er-strolys\" \/>\n<meta property=\"og:site_name\" content=\"Rayzeek\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/bester001\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/bester001\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-09-03T18:23:23+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-12-26T08:42:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Horace He\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@RayzeekTech\" \/>\n<meta name=\"twitter:site\" content=\"@RayzeekTech\" \/>\n<meta name=\"twitter:label1\" content=\"Skrevet af\" \/>\n\t<meta name=\"twitter:data1\" content=\"Horace He\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimeret l\u00e6setid\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutter\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-stray-light#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-stray-light\"},\"author\":{\"name\":\"Horace He\",\"@id\":\"https:\/\/www.rayzeek.com\/#\/schema\/person\/ff0b4bd6573444e02efc8613274549c4\"},\"headline\":\"What is Stray Light\",\"datePublished\":\"2023-09-03T18:23:23+00:00\",\"dateModified\":\"2023-12-26T08:42:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-stray-light\"},\"wordCount\":627,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.rayzeek.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-stray-light#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-1.jpg\",\"keywords\":[\"glossary\"],\"articleSection\":[\"glossary\"],\"inLanguage\":\"da-DK\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.rayzeek.com\/glossary\/what-is-stray-light#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-stray-light\",\"url\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-stray-light\",\"name\":\"What is Stray Light - Rayzeek\",\"isPartOf\":{\"@id\":\"https:\/\/www.rayzeek.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-stray-light#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-stray-light#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-1.jpg\",\"datePublished\":\"2023-09-03T18:23:23+00:00\",\"dateModified\":\"2023-12-26T08:42:14+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-stray-light#breadcrumb\"},\"inLanguage\":\"da-DK\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.rayzeek.com\/glossary\/what-is-stray-light\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"da-DK\",\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-stray-light#primaryimage\",\"url\":\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-1.jpg\",\"contentUrl\":\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-1.jpg\",\"width\":1200,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-stray-light#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.rayzeek.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"What is Stray Light\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.rayzeek.com\/#website\",\"url\":\"https:\/\/www.rayzeek.com\/\",\"name\":\"Rayzeek\",\"description\":\"Motion Sensor &amp; 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