{"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\/ro\/glossary\/what-is-stray-light\/","title":{"rendered":"Ce este lumina parazit\u0103"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-stray-light\">Ce este lumina parazit\u0103<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Lumina parazit\u0103 se refer\u0103 la orice lumin\u0103 nedorit\u0103 care p\u0103trunde \u00eentr-un sistem optic \u0219i interfereaz\u0103 cu func\u021biile sale prev\u0103zute. Aceasta poate ap\u0103rea at\u00e2t \u00een sistemele de imagistic\u0103, c\u00e2t \u0219i \u00een cele de proiec\u021bie, dar controlul ei este deosebit de critic \u00een sistemele de imagistic\u0103. Exist\u0103 mai multe surse de lumin\u0103 parazit\u0103 care pot afecta performan\u021ba unui sistem optic. O surs\u0103 comun\u0103 o reprezint\u0103 reflexiile luminii pe suprafe\u021bele mecanice de montare din interiorul sistemului. Aceste reflexii pot rico\u0219a de pe suprafe\u021be \u0219i pot p\u0103trunde \u00een calea de imagistic\u0103 sau de proiec\u021bie, provoc\u00e2nd interferen\u021be nedorite.<\/p>\n<div class=\"insert_portfolio_outer_wrapper\"><h3>L\u0103sa\u021bi-v\u0103 inspirat de portofoliile de senzori de mi\u0219care Rayzeek.<\/h3><p>Nu g\u0103si\u021bi ceea ce c\u0103uta\u021bi? Nu v\u0103 face\u021bi griji. Exist\u0103 \u00eentotdeauna modalit\u0103\u021bi alternative de a v\u0103 rezolva problemele. Poate v\u0103 poate ajuta unul dintre portofoliile noastre.<\/p><div class = \"insert_portfolio_buttons\"><div class = \"insert_portfolio_button_wrapper\"><div><a href = \"https:\/\/www.rayzeek.com\/product-category\/motion-sensors\"><p>Senzori de mi\u0219care PIR<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/motion-sensor-switches\"><p>\u00centrerup\u0103toare cu senzor de mi\u0219care<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/occupancy-vacancy-sensors\"><p>Senzori de prezen\u021b\u0103<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/products\/rz050\"><p>Senzor de mi\u0219care pentru aer condi\u021bionat<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/motion-sensor-light-strip\"><p>Benzi LED cu senzor de mi\u0219care<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/dc-sensor-dimmer\"><p>Senzori de mi\u0219care \/ variatoare DC de joas\u0103 tensiune<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/wireless-motion-sensors\"><p>Kituri de senzori de mi\u0219care f\u0103r\u0103 fir<\/p><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">O alt\u0103 surs\u0103 de lumin\u0103 parazit\u0103 o constituie scurgerile de lumin\u0103 prin fantele sau cr\u0103p\u0103turile din carcasa sistemului. Dac\u0103 exist\u0103 deschideri \u00een carcas\u0103, lumina exterioar\u0103 poate p\u0103trunde \u00een sistem \u0219i poate interfera cu emisia luminoas\u0103 dorit\u0103. \u00cen plus, lumina parazit\u0103 poate rezulta din \u00eempr\u0103\u0219tierea luminii pe particulele de praf sau pe imperfec\u021biunile de pe suprafe\u021bele optice ale sistemului. Aceste imperfec\u021biuni pot determina \u00eempr\u0103\u0219tierea luminii \u00een direc\u021bii neinten\u021bionate, duc\u00e2nd la interferen\u021be nedorite \u00een sistemul optic. Lumina parazit\u0103 poate proveni \u0219i din surse interne, cum ar fi elemente ale sistemului care emit lumin\u0103 din cauza propriei c\u0103lduri, \u00een special \u00een sistemele sensibile la infraro\u0219u. Aceasta poate introduce radia\u021bii infraro\u0219ii nedorite \u00een sistem, afect\u00e2nd precizia \u0219i calitatea imaginii sau a proiec\u021biei.<\/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\">\u00centreb\u0103ri frecvente<\/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\">Cum se nume\u0219te fenomenul c\u00e2nd se observ\u0103 str\u0103lucire orbitoare \u00een jurul luminilor<\/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\">Observarea halourilor \u00een jurul surselor de lumin\u0103 este un fenomen cunoscut sub numele de difrac\u021bie. Difrac\u021bia are loc atunci c\u00e2nd lumina se deviaz\u0103 la intrarea \u00een ochi. De\u0219i ochelarii \u0219i lentilele de contact pot cauza uneori difrac\u021bie, aceasta poate fi, de asemenea, un efect secundar al anumitor afec\u021biuni.<\/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\">Ce \u00eenseamn\u0103 lumin\u0103 parazit\u0103<\/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\">Defini\u021bie. Lumina parazit\u0103 se refer\u0103 la orice radia\u021bie electromagnetic\u0103 nedorit\u0103 care perturb\u0103 func\u021biile prev\u0103zute ale unui sistem optic.<\/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\">Ce cauzeaz\u0103 lumina parazit\u0103<\/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\">Lumina parazit\u0103 poate fi cauzat\u0103 de diferi\u021bi factori, cum ar fi imperfec\u021biunile elementului de dispersie sau ale altor suprafe\u021be optice, efectele de difrac\u021bie, abera\u021biile optice sau componentele deteriorate ori uzate. Este, de asemenea, important s\u0103 se asigure eliminarea luminii exterioare, cum ar fi scurgerile de lumin\u0103 la nivelul compartimentelor cuvei sau la alte limite mecanice.<\/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\">Cum se determin\u0103 lumina parazit\u0103<\/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\">Lumina parazit\u0103 dintr-un instrument se refer\u0103 la lumina prezent\u0103 \u00een instrument care nu corespunde lungimii de und\u0103 setate pe monocromator. Simplu spus, dac\u0103 monocromatorul este setat la 600 nm, orice lumin\u0103 care nu este exact de 600 nm este considerat\u0103 lumin\u0103 parazit\u0103.<\/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\">Ce este lumina parazit\u0103 \u00eentr-un spectrofotometru<\/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\">\u00centr-un spectrofotometru, lumina parazit\u0103 se refer\u0103 la lumina care ocole\u0219te proba \u0219i ajunge direct la detector. Aceast\u0103 apari\u021bie poate duce la rezultate de m\u0103surare inexact\u0103.<\/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\">Cum putem preveni lumina parazit\u0103<\/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\">Limitarea dimensiunii diafragmei: Prin limitarea dimensiunii diafragmei, putem preveni eficient p\u0103trunderea luminii parazite \u00een sistem \u0219i afectarea detectorului. Acest lucru este deosebit de crucial \u00een aplica\u021biile care necesit\u0103 imagini cu contrast ridicat, deoarece chiar \u0219i o cantitate mic\u0103 de lumin\u0103 parazit\u0103 poate avea un impact negativ asupra calit\u0103\u021bii imaginii.<\/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\">Cum influen\u021beaz\u0103 lumina parazit\u0103 absorban\u021ba<\/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\">Dup\u0103 o scurt\u0103 perioad\u0103 de sc\u0103dere, absorban\u021bele m\u0103surate se stabilizeaz\u0103 pe m\u0103sur\u0103 ce ating valorile luminii parazite specifice instrumentului. Artifactele fotometrice cauzate de lumina parazit\u0103 duc \u00een mod consecvent la valori ale absorban\u021bei mai mici dec\u00e2t cele reale.<\/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\">Ce este analiza luminii parazite<\/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\">\u00cen esen\u021b\u0103, analiza luminii parazite se refer\u0103 la examinarea luminii care nu urmeaz\u0103 calea prev\u0103zut\u0103 \u00een cadrul unui sistem \u0219i, \u00een schimb, afecteaz\u0103 calitatea imaginii dorite. Este crucial s\u0103 se evalueze impactul acestei lumini parazite asupra performan\u021bei \u00eenainte de a trece la realizarea prototipului fizic.<\/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\">Care este limita luminii parazite \u00een domeniul 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\">Lumina parazit\u0103 poate reprezenta o problem\u0103 pe \u00eentregul domeniu spectral al unui spectrofotometru, incluz\u00e2nd domeniile UV, VIS \u0219i NIR. Cu toate acestea, devine tot mai problematic\u0103 pe m\u0103sur\u0103 ce v\u0103 apropia\u021bi de domeniul UV, mai exact \u00een intervalul 190-300 nm.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Nu g\u0103si\u021bi ceea ce c\u0103uta\u021bi? Nu v\u0103 face\u021bi griji. Exist\u0103 \u00eentotdeauna modalit\u0103\u021bi alternative de a v\u0103 rezolva problemele. Poate v\u0103 poate ajuta unul dintre portofoliile noastre.Senzori de mi\u0219care PIR\u00centrerup\u0103toare cu senzor de mi\u0219careSenzori de prezen\u021b\u0103&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=\"ro_RO\" \/>\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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