{"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\/cs\/glossary\/what-is-stray-light\/","title":{"rendered":"Co je parazitn\u00ed sv\u011btlo"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-stray-light\">Co je parazitn\u00ed sv\u011btlo<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Parazitn\u00ed sv\u011btlo ozna\u010duje jak\u00e9koli ne\u017e\u00e1douc\u00ed sv\u011btlo, kter\u00e9 vstupuje do optick\u00e9ho syst\u00e9mu a naru\u0161uje jeho zam\u00fd\u0161len\u00e9 funkce. M\u016f\u017ee se vyskytovat jak v zobrazovac\u00edch, tak v projek\u010dn\u00edch syst\u00e9mech, ale jeho regulace je zvl\u00e1\u0161t\u011b kritick\u00e1 u zobrazovac\u00edch syst\u00e9m\u016f. Existuje n\u011bkolik zdroj\u016f parazitn\u00edho sv\u011btla, kter\u00e9 mohou ovlivnit v\u00fdkon optick\u00e9ho syst\u00e9mu. Jedn\u00edm z b\u011b\u017en\u00fdch zdroj\u016f jsou odrazy sv\u011btla od mechanick\u00fdch mont\u00e1\u017en\u00edch ploch uvnit\u0159 syst\u00e9mu. Tyto odrazy se mohou odr\u00e1\u017eet od povrch\u016f a vstupovat do zobrazovac\u00ed nebo projek\u010dn\u00ed dr\u00e1hy, co\u017e zp\u016fsobuje ne\u017e\u00e1douc\u00ed ru\u0161en\u00ed.<\/p>\n<div class=\"insert_portfolio_outer_wrapper\"><h3>Inspirujte se portfoliem sn\u00edma\u010d\u016f pohybu Rayzeek.<\/h3><p>Nena\u0161li jste, co hled\u00e1te? Nem\u011bjte obavy. K vy\u0159e\u0161en\u00ed va\u0161ich po\u017eadavk\u016f existuj\u00ed v\u017edy alternativn\u00ed cesty. Mo\u017en\u00e1 v\u00e1m pom\u016f\u017ee n\u011bkter\u00e9 z na\u0161ich portfoli\u00ed.<\/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 sn\u00edma\u010de pohybu<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/motion-sensor-switches\"><p>Sp\u00edna\u010de s pohybov\u00fdm senzorem<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/occupancy-vacancy-sensors\"><p>\u010cidla p\u0159\u00edtomnosti<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/products\/rz050\"><p>Sn\u00edma\u010d pohybu pro klimatizaci<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/motion-sensor-light-strip\"><p>Sv\u011bteln\u00e9 p\u00e1sky s pohybov\u00fdm \u010didlem<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/dc-sensor-dimmer\"><p>N\u00edzkonap\u011b\u0165ov\u00e9 stejnosm\u011brn\u00e9 sn\u00edma\u010de pohybu \/ stm\u00edva\u010de<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/wireless-motion-sensors\"><p>Sady bezdr\u00e1tov\u00fdch sn\u00edma\u010d\u016f pohybu<\/p><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Dal\u0161\u00edm zdrojem parazitn\u00edho sv\u011btla jsou \u00faniky sv\u011btla p\u0159es mezery nebo praskliny v krytu syst\u00e9mu. Pokud jsou v krytu jak\u00e9koli otvory, m\u016f\u017ee do syst\u00e9mu vnikat vn\u011bj\u0161\u00ed sv\u011btlo a naru\u0161ovat po\u017eadovan\u00fd sv\u011bteln\u00fd v\u00fdstup. Parazitn\u00ed sv\u011btlo m\u016f\u017ee nav\u00edc vznikat rozptylem sv\u011btla na prachov\u00fdch \u010d\u00e1stic\u00edch nebo nedokonalostech na optick\u00fdch povr\u0161\u00edch syst\u00e9mu. Tyto nedokonalosti mohou zp\u016fsobit rozptyl sv\u011btla do ne\u017e\u00e1douc\u00edch sm\u011br\u016f, co\u017e vede k ne\u017e\u00e1douc\u00edmu ru\u0161en\u00ed v optick\u00e9m syst\u00e9mu. Parazitn\u00ed sv\u011btlo m\u016f\u017ee poch\u00e1zet i z vnit\u0159n\u00edch zdroj\u016f, nap\u0159\u00edklad z prvk\u016f syst\u00e9mu vyza\u0159uj\u00edc\u00edch sv\u011btlo v d\u016fsledku vlastn\u00edho tepla, co\u017e plat\u00ed zejm\u00e9na u syst\u00e9m\u016f citliv\u00fdch na infra\u010derven\u00e9 z\u00e1\u0159en\u00ed. To m\u016f\u017ee do syst\u00e9mu vn\u00e9st ne\u017e\u00e1douc\u00ed infra\u010derven\u00e9 z\u00e1\u0159en\u00ed, co\u017e ovliv\u0148uje p\u0159esnost a kvalitu zobrazen\u00ed nebo projekce.<\/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\">\u010casto kladen\u00e9 dotazy<\/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\">Jak se naz\u00fdv\u00e1 jav, kdy vid\u00edte z\u00e1\u0159i kolem sv\u011btel<\/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\">Pozorov\u00e1n\u00ed sv\u011bteln\u00fdch dvorc\u016f (hal\u00f3 efektu) kolem sv\u011btel je jev zn\u00e1m\u00fd jako difrakce (oheb sv\u011btla). K difrakci doch\u00e1z\u00ed, kdy\u017e se sv\u011btlo p\u0159i vstupu do oka oh\u00fdb\u00e1. Zat\u00edmco br\u00fdle a kontaktn\u00ed \u010do\u010dky mohou n\u011bkdy difrakci zp\u016fsobovat, m\u016f\u017ee j\u00edt tak\u00e9 o vedlej\u0161\u00ed p\u0159\u00edznak n\u011bkter\u00fdch onemocn\u011bn\u00ed.<\/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\">Co znamen\u00e1 parazitn\u00ed sv\u011btlo<\/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\">Definice. Parazitn\u00ed sv\u011btlo ozna\u010duje jak\u00e9koli ne\u017e\u00e1douc\u00ed elektromagnetick\u00e9 z\u00e1\u0159en\u00ed, kter\u00e9 naru\u0161uje zam\u00fd\u0161len\u00e9 funkce optick\u00e9ho syst\u00e9mu.<\/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\">Co zp\u016fsobuje parazitn\u00ed sv\u011btlo<\/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\">Parazitn\u00ed sv\u011btlo m\u016f\u017ee b\u00fdt zp\u016fsobeno r\u016fzn\u00fdmi faktory, jako jsou nedokonalosti v disperzn\u00edm prvku nebo jin\u00fdch optick\u00fdch povr\u0161\u00edch, efekty difrakce, optick\u00e9 aberace nebo po\u0161kozen\u00e9 \u010di opot\u0159ebovan\u00e9 sou\u010d\u00e1sti. Je rovn\u011b\u017e d\u016fle\u017eit\u00e9 zajistit eliminaci vn\u011bj\u0161\u00edho sv\u011btla, nap\u0159\u00edklad \u00fanik\u016f sv\u011btla v kyvetov\u00fdch prostorech nebo jin\u00fdch mechanick\u00fdch hranic\u00edch.<\/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\">Jak se ur\u010duje parazitn\u00ed sv\u011btlo<\/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\">Parazitn\u00ed sv\u011btlo v p\u0159\u00edstroji ozna\u010duje sv\u011btlo, kter\u00e9 je v p\u0159\u00edstroji p\u0159\u00edtomno, ale neodpov\u00edd\u00e1 vlnov\u00e9 d\u00e9lce nastaven\u00e9 na monochrom\u00e1toru. Zjednodu\u0161en\u011b \u0159e\u010deno, pokud je monochrom\u00e1tor nastaven na 600 nm, jak\u00e9koli sv\u011btlo, kter\u00e9 nem\u00e1 p\u0159esn\u011b 600 nm, je pova\u017eov\u00e1no za parazitn\u00ed sv\u011btlo.<\/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\">Co je parazitn\u00ed sv\u011btlo u spektrofotometru<\/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\">U spektrofotometru ozna\u010duje parazitn\u00ed sv\u011btlo to sv\u011btlo, kter\u00e9 obch\u00e1z\u00ed vzorek a dopad\u00e1 p\u0159\u00edmo na detektor. Tento jev m\u016f\u017ee zp\u016fsobit nep\u0159esn\u00e9 v\u00fdsledky m\u011b\u0159en\u00ed.<\/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\">Jak lze zabr\u00e1nit parazitn\u00edmu sv\u011btlu<\/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\">Omezen\u00edm velikosti apertury: Omezen\u00edm velikosti apertury m\u016f\u017eeme \u00fa\u010dinn\u011b zabr\u00e1nit vstupu parazitn\u00edho sv\u011btla do syst\u00e9mu a jeho dopadu na detektor. To je zvl\u00e1\u0161t\u011b kl\u00ed\u010dov\u00e9 v aplikac\u00edch vy\u017eaduj\u00edc\u00edch vysoce kontrastn\u00ed zobrazen\u00ed, proto\u017ee i mal\u00e9 mno\u017estv\u00ed parazitn\u00edho sv\u011btla m\u016f\u017ee m\u00edt negativn\u00ed dopad na kvalitu obrazu.<\/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\">Jak parazitn\u00ed sv\u011btlo ovliv\u0148uje absorbanci<\/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\">Po kr\u00e1tk\u00e9m obdob\u00ed poklesu se nam\u011b\u0159en\u00e9 absorbance ust\u00e1l\u00ed, jakmile dos\u00e1hnou hodnot parazitn\u00edho sv\u011btla dan\u00e9ho p\u0159\u00edstroje. Fotometrick\u00e9 artefakty zp\u016fsoben\u00e9 parazitn\u00edm sv\u011btlem soustavn\u011b vedou k hodnot\u00e1m absorbance, kter\u00e9 jsou ni\u017e\u0161\u00ed ne\u017e skute\u010dn\u00e9 hodnoty.<\/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\">Co je anal\u00fdza parazitn\u00edho sv\u011btla<\/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\">Anal\u00fdza parazitn\u00edho sv\u011btla v podstat\u011b p\u0159edstavuje zkoum\u00e1n\u00ed sv\u011btla, kter\u00e9 nesleduje zam\u00fd\u0161lenou dr\u00e1hu uvnit\u0159 syst\u00e9mu a nam\u00edsto toho ovliv\u0148uje kvalitu po\u017eadovan\u00e9ho obrazu. P\u0159ed zah\u00e1jen\u00edm fyzick\u00e9ho prototypov\u00e1n\u00ed je kl\u00ed\u010dov\u00e9 posoudit dopad tohoto parazitn\u00edho sv\u011btla na v\u00fdkon.<\/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\">Jak\u00fd je limit parazitn\u00edho sv\u011btla v UV oblasti<\/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\">Stray light can pose a challenge across the entire spectral range of a spectrophotometer, encompassing the UV, VIS, and NIR ranges. However, it becomes increasingly problematic as you approach the UV range, specifically within the range of 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=\"cs_CZ\" \/>\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? Don&#039;t worry. There are always alternate ways to solve your problems. 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