{"id":17418,"date":"2020-06-13T06:55:35","date_gmt":"2020-06-13T06:55:35","guid":{"rendered":"https:\/\/www.radiation-dosimetry.org\/o-que-e-um-dosimetro-termoluminescente-dosimetro-tld-vs-osl-definicao\/"},"modified":"2020-07-20T11:15:39","modified_gmt":"2020-07-20T11:15:39","slug":"o-que-e-um-dosimetro-termoluminescente-dosimetro-tld-vs-osl-definicao","status":"publish","type":"post","link":"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-um-dosimetro-termoluminescente-dosimetro-tld-vs-osl-definicao\/","title":{"rendered":"O que \u00e9 um dos\u00edmetro termoluminescente &#8211; Dos\u00edmetro TLD vs OSL &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-u-clearfix su-u-trim\">Dos\u00edmetro Termoluminescente &#8211; TLD vs Dos\u00edmetro OSL.\u00a0Este artigo resume as principais diferen\u00e7as entre dos\u00edmetros termoluminescentes e dos\u00edmetros OSL.\u00a0Dosimetria de Radia\u00e7\u00e3o<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights lgc-first\">\n<div class=\"inside-grid-column\">\n<h2>TLD &#8211; Dos\u00edmetro termoluminescente<\/h2>\n<p>Um\u00a0<strong>dos\u00edmetro termoluminescente<\/strong>\u00a0, abreviado como\u00a0<strong>TLD<\/strong>\u00a0, \u00e9 um\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/radiation-dosimetry\/radiation-dosimeter\/active-dosimeters-passive-dosimeters\/\">dos\u00edmetro de radia\u00e7\u00e3o passiva<\/a>\u00a0, que mede a exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o ionizante medindo a intensidade da luz vis\u00edvel emitida por um\u00a0<strong>cristal sens\u00edvel<\/strong>\u00a0no detector quando o cristal \u00e9\u00a0<strong>aquecido<\/strong>\u00a0.\u00a0A intensidade da luz emitida \u00e9 medida pelo\u00a0<strong>leitor de DPN<\/strong>\u00a0e depende da\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/radiation-protection\/radiation-exposure\/\">exposi\u00e7\u00e3o<\/a>\u00a0\u00e0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/radiation-protection\/radiation-exposure\/\">radia\u00e7\u00e3o<\/a>\u00a0.\u00a0<strong>Dos\u00edmetros termoluminescentes<\/strong>foi inventado em 1954 pelo professor Farrington Daniels da Universidade de Wisconsin-Madison.\u00a0Os dos\u00edmetros TLD s\u00e3o aplic\u00e1veis \u200b\u200ba situa\u00e7\u00f5es em que informa\u00e7\u00f5es em tempo real n\u00e3o s\u00e3o necess\u00e1rias, mas registros precisos de monitoramento de doses acumuladas s\u00e3o desejados para compara\u00e7\u00e3o com medi\u00e7\u00f5es em campo ou para avaliar o potencial de efeitos \u00e0 sa\u00fade a longo prazo.\u00a0Na dosimetria, os tipos de crach\u00e1 de fibra de quartzo e filme est\u00e3o sendo substitu\u00eddos por TLDs e EPDs (Electronic Personal Dosimeter).<\/p>\n<h2>Vantagens e desvantagens dos TLDs<\/h2>\n<h3>Vantagens dos TLDs<\/h3>\n<ul>\n<li>Os TLDs s\u00e3o capazes de medir uma\u00a0<strong>gama maior de doses<\/strong>\u00a0em compara\u00e7\u00e3o com os emblemas dos filmes.<\/li>\n<li>Doses de TLDs podem ser facilmente obtidas.<\/li>\n<li>Os TLDs podem ser lidos no local em vez de serem enviados para desenvolvimento.<\/li>\n<li>Os TLDs s\u00e3o\u00a0<strong>facilmente reutiliz\u00e1veis<\/strong>\u00a0.<\/li>\n<\/ul>\n<h3>Desvantagens dos TLDs<\/h3>\n<ul>\n<li>Cada dose n\u00e3o pode ser lida mais de uma vez.<\/li>\n<li>O processo de leitura efetivamente zera o TLD.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights lgc-last\">\n<div class=\"inside-grid-column\">\n<h2>Dos\u00edmetro OSL<\/h2>\n<p>A\u00a0<strong>dosimetria OSL<\/strong>\u00a0(Luminesc\u00eancia Opticamente Estimulada) \u00e9 um m\u00e9todo que se estabeleceu na dosimetria de corpo inteiro.\u00a0Como se pode deduzir, esse m\u00e9todo \u00e9 baseado na\u00a0<strong>luminesc\u00eancia opticamente estimulada.\u00a0<\/strong>O\u00a0<strong>dos\u00edmetro OSL<\/strong>\u00a0proporciona um muito elevado grau de sensibilidade, dando uma leitura precisa t\u00e3o baixo quanto 1 mrem para\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radiation\/x-rays-roentgen-radiation\/\">raios-x<\/a>\u00a0e\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/photon\/gamma-ray\/\">raios gama<\/a>\u00a0fot\u00f5es com energias que variam de 5 keV e maior do que 40 MeV.\u00a0<strong>Dos\u00edmetros OSL<\/strong>s\u00e3o projetados para fornecer monitoramento de radia\u00e7\u00e3o X, gama, beta e n\u00eautrons usando a tecnologia OSL.\u00a0Os dos\u00edmetros OSL s\u00e3o aplic\u00e1veis \u200b\u200ba situa\u00e7\u00f5es em que informa\u00e7\u00f5es em tempo real n\u00e3o s\u00e3o necess\u00e1rias, mas registros precisos de monitoramento de doses acumuladas s\u00e3o desejados para compara\u00e7\u00e3o com medi\u00e7\u00f5es em campo ou para avaliar o potencial de efeitos \u00e0 sa\u00fade a longo prazo.\u00a0Nas imagens de diagn\u00f3stico, a maior sensibilidade do\u00a0<strong>dos\u00edmetro OSL o<\/strong>\u00a0torna ideal para monitorar funcion\u00e1rios que trabalham em ambientes com pouca radia\u00e7\u00e3o e para trabalhadoras gr\u00e1vidas.\u00a0Os dos\u00edmetros OSL oferecem vantagens que incluem a capacidade de reler e uma alta sensibilidade (baixa dose m\u00ednima mensur\u00e1vel), e eles se tornaram populares por causa dessas propriedades favor\u00e1veis.<\/p>\n<p><strong>Os materiais OSL<\/strong>\u00a0(por exemplo\u00a0<strong>, cer\u00e2mica de \u00f3xido de ber\u00edlio<\/strong>\u00a0) cont\u00eam defeitos em sua estrutura cristalina que prendem os el\u00e9trons liberados pela exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o.\u00a0Nos\u00a0<a href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-um-dosimetro-termoluminescente-tld-definicao\/\">TLDs<\/a>\u00a0, os el\u00e9trons presos s\u00e3o subsequentemente liberados por estimula\u00e7\u00e3o com calor, enquanto o\u00a0<strong>OSL<\/strong>\u00a0usa\u00a0<strong>estimula\u00e7\u00e3o com luz<\/strong>\u00a0.\u00a0Ap\u00f3s a estimula\u00e7\u00e3o pela luz, o detector libera a energia armazenada na forma de luz, ou seja, \u00e9 estimulada a emitir luz.\u00a0A sa\u00edda de luz medida com\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/radiation-detection\/scintillation-counter-scintillation-detector\/photomultiplier-tube-pmt\/\">fotomultiplicadores<\/a>\u00a0\u00e9 uma unidade de medida para a dose.\u00a0Em compara\u00e7\u00e3o com os DPNs, a principal diferen\u00e7a \u00e9 que a luminesc\u00eancia \u00e9 produzida por um feixe de luz, e n\u00e3o pelo calor.<\/p>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-arrow\" data-anchor=\"References\">\n<div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><\/div>\n<\/div>\n<\/div>\n<div tabindex=\"0\" role=\"button\">\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Este artigo \u00e9 baseado na tradu\u00e7\u00e3o autom\u00e1tica do artigo original em ingl\u00eas. Para mais informa\u00e7\u00f5es, consulte o artigo em ingl\u00eas. Voc\u00ea pode nos ajudar. Se voc\u00ea deseja corrigir a tradu\u00e7\u00e3o, envie-a para: translations@nuclear-power.com ou preencha o formul\u00e1rio de tradu\u00e7\u00e3o on-line. Agradecemos sua ajuda, atualizaremos a tradu\u00e7\u00e3o o mais r\u00e1pido poss\u00edvel. Obrigado.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Dos\u00edmetro Termoluminescente &#8211; TLD vs Dos\u00edmetro OSL.\u00a0Este artigo resume as principais diferen\u00e7as entre dos\u00edmetros termoluminescentes e dos\u00edmetros OSL.\u00a0Dosimetria de Radia\u00e7\u00e3o TLD &#8211; Dos\u00edmetro termoluminescente Um\u00a0dos\u00edmetro termoluminescente\u00a0, abreviado como\u00a0TLD\u00a0, \u00e9 um\u00a0dos\u00edmetro de radia\u00e7\u00e3o passiva\u00a0, que mede a exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o ionizante medindo a intensidade da luz vis\u00edvel emitida por um\u00a0cristal sens\u00edvel\u00a0no detector quando o cristal \u00e9\u00a0aquecido\u00a0.\u00a0A &#8230; <a title=\"O que \u00e9 um dos\u00edmetro termoluminescente &#8211; Dos\u00edmetro TLD vs OSL &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-um-dosimetro-termoluminescente-dosimetro-tld-vs-osl-definicao\/\" aria-label=\"More on O que \u00e9 um dos\u00edmetro termoluminescente &#8211; Dos\u00edmetro TLD vs OSL &#8211; Defini\u00e7\u00e3o\">Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[51],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>O que \u00e9 um dos\u00edmetro termoluminescente - Dos\u00edmetro TLD vs OSL - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Dos\u00edmetro Termoluminescente - TLD vs Dos\u00edmetro OSL. 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