{"id":13956,"date":"2023-09-03T18:23:23","date_gmt":"2023-09-03T18:23:23","guid":{"rendered":"https:\/\/staging.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:\/\/staging.rayzeek.com\/da\/glossary\/what-is-stray-light\/","title":{"rendered":"Hvad er str\u00f8lys"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-stray-light\">Hvad er str\u00f8lys<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Str\u00f8lys henviser til alt 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 styring af det er s\u00e6rligt kritisk i billeddannelsessystemer. Der er adskillige kilder til str\u00f8lys, som kan p\u00e5virke et optisk systems ydeevne. En almindelig kilde er lysreflektioner fra mekaniske monteringsoverflader i systemet. Disse reflektioner kan kastes tilbage fra overfladerne og tr\u00e6nge ind i billeddannelses- eller projektionsvejen, hvilket for\u00e5rsager u\u00f8nsket interferens.<\/p>\n<div class=\"insert_portfolio_outer_wrapper\"><h3>Bliv inspireret af Rayzeek bev\u00e6gelsessensor-portef\u00f8ljer.<\/h3><p>Finder du ikke det, du s\u00f8ger? Fortvivl ikke. 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\/product-category\/motion-sensors\"><p>PIR-bev\u00e6gelsessensorer<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/motion-sensor-switches\"><p>Bev\u00e6gelsessensor-afbrydere<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/occupancy-vacancy-sensors\"><p>Tilstedev\u00e6relsessensorer<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/products\/rz050\"><p>Bev\u00e6gelsessensor til klimaanl\u00e6g<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/motion-sensor-light-strip\"><p>LED-b\u00e5nd med bev\u00e6gelsessensor<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/dc-sensor-dimmer\"><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\/product-category\/wireless-motion-sensors\"><p>Tr\u00e5dl\u00f8se bev\u00e6gelsessensors\u00e6t<\/p><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">En anden kilde til str\u00f8lys er lysl\u00e6kage gennem spalter eller revner i systemets kabinet. Hvis der er \u00e5bninger i kabinettet, kan eksternt lys tr\u00e6nge ind i systemet og forstyrre det \u00f8nskede lysudbytte. Derudover kan str\u00f8lys skyldes lysspredning fra st\u00f8vpartikler eller ufuldkommenheder p\u00e5 systemets optiske overflader. Disse ufuldkommenheder kan f\u00e5 lyset til at sprede sig 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 tilf\u00f8re u\u00f8nsket infrar\u00f8d str\u00e5ling til systemet, hvilket p\u00e5virker n\u00f8jagtigheden og kvaliteten af billeddannelsen eller projektionen.<\/p>\n\n\n\n<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\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<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 man ser bl\u00e6nding omkring lyskilder<\/h3><\/div><\/div>\n\n\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\">\n<p class=\"wp-block-paragraph\">At se glorier omkring lys er et f\u00e6nomen kendt som diffraktion. Diffraktion opst\u00e5r, n\u00e5r lys afb\u00f8jes, idet det tr\u00e6nger ind i \u00f8jet. Selvom briller og kontaktlinser nogle gange kan for\u00e5rsage diffraktion, kan det ogs\u00e5 v\u00e6re en bivirkning af visse sygdomme.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\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\">\n<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\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\">\n<p class=\"wp-block-paragraph\">Definition. Str\u00f8lys henviser til enhver u\u00f8nsket elektromagnetisk str\u00e5ling, der forstyrrer et optisk systems tilsigtede funktioner.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\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\">\n<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\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\">\n<p class=\"wp-block-paragraph\">Str\u00f8lys kan for\u00e5rsages af forskellige faktorer, s\u00e5som ufuldkommenheder i det dispergerende element eller andre optiske overflader, diffraktionseffekter, optiske aberrationer eller beskadigede eller slidte komponenter. Det er ogs\u00e5 vigtigt at sikre, at uvedkommende lys, s\u00e5som lysl\u00e6kager ved cellerum eller andre mekaniske gr\u00e6nser, elimineres.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\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\">\n<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 man str\u00f8lys<\/h3><\/div><\/div>\n\n\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\">\n<p class=\"wp-block-paragraph\">Str\u00f8lys i et instrument henviser til lys, der er til stede i instrumentet, men som ikke svarer til den b\u00f8lgel\u00e6ngde, der er indstillet p\u00e5 monokromatoren. Kort sagt: Hvis monokromatoren er indstillet til 600 nm, betragtes alt lys, der ikke er pr\u00e6cis 600 nm, som str\u00f8lys.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\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\">\n<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\u00f8lys i et spektrofotometer<\/h3><\/div><\/div>\n\n\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\">\n<p class=\"wp-block-paragraph\">I et spektrofotometer henviser str\u00f8lys til det lys, der g\u00e5r udenom pr\u00f8ven og n\u00e5r direkte frem til detektoren. Denne h\u00e6ndelse kan medf\u00f8re un\u00f8jagtige m\u00e5leresultater.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\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\">\n<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\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\">\n<p class=\"wp-block-paragraph\">Begr\u00e6nsning af bl\u00e6nde\u00e5bningens st\u00f8rrelse: Ved at begr\u00e6nse bl\u00e6nde\u00e5bningens st\u00f8rrelse kan vi effektivt forhindre str\u00f8lys i at tr\u00e6nge ind i systemet og p\u00e5virke detektoren. Dette er s\u00e6rligt afg\u00f8rende i anvendelser, der kr\u00e6ver billeddannelse med h\u00f8j kontrast, da selv en mindre m\u00e6ngde str\u00f8lys kan have en negativ indvirkning p\u00e5 billedkvaliteten.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\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\">\n<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 absorbans<\/h3><\/div><\/div>\n\n\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\">\n<p class=\"wp-block-paragraph\">Efter en kort periode med fald flader de m\u00e5lte absorbanser ud, n\u00e5r de n\u00e5r instrumentets str\u00f8lysv\u00e6rdier. Fotometriske artefakter for\u00e5rsaget af str\u00f8lys resulterer konsekvent i absorbansv\u00e6rdier, der er lavere end de faktiske v\u00e6rdier.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\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\">\n<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\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\">\n<p class=\"wp-block-paragraph\">I sin essens henviser str\u00f8lysanalyse til unders\u00f8gelsen af lys, der ikke f\u00f8lger den tilsigtede vej i et system og i stedet p\u00e5virker kvaliteten af det \u00f8nskede billede. Det er afg\u00f8rende at vurdere indvirkningen af dette str\u00f8lys p\u00e5 ydeevnen, f\u00f8r man g\u00e5r videre med fysisk opbygning af prototyper.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\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\">\n<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\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\">\n<p class=\"wp-block-paragraph\">Str\u00f8lys kan udg\u00f8re en udfordring i hele spektrofotometerets spektralomr\u00e5de, hvilket omfatter UV-, VIS- og NIR-omr\u00e5derne. Problemet bliver dog i stigende grad udtalt, jo t\u00e6ttere du kommer p\u00e5 UV-omr\u00e5det, is\u00e6r inden for omr\u00e5det 190-300 nm.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Doesn\\&#8217;t find what you want? Don\\&#8217;t worry. There are always alternate ways to solve your problems. Maybe one of our portfolios can help.PIR Motion SensorsMotion Sensor SwitchesOccupancy Sensors&lt;div<\/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=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\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=\"Doesn&#039;t find what you want? 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