{"id":2008,"date":"2018-07-03T09:46:48","date_gmt":"2018-07-03T09:46:48","guid":{"rendered":"https:\/\/igfae.usc.es\/centrosingular\/laserpet\/"},"modified":"2022-03-03T14:39:25","modified_gmt":"2022-03-03T12:39:25","slug":"laserpet","status":"publish","type":"page","link":"https:\/\/igfae.usc.es\/igfaedb\/es\/experimentos\/laserpet\/","title":{"rendered":"LaserPET"},"content":{"rendered":"<p>[vc_row full_width=\u00bbstretch_row\u00bb foundry_padding=\u00bbpt0 pb0&#8243; foundry_parallax=\u00bbnot-parallax\u00bb css=\u00bb.vc_custom_1511969745245{background-image: url(https:\/\/igfae.usc.es\/igfaedb\/wp-content\/uploads\/2017\/11\/fondo.jpg?id=122) !important;}\u00bb][vc_column][vc_row_inner content_placement=\u00bbtop\u00bb][vc_column_inner width=\u00bb5\/12&#8243; css=\u00bb.vc_custom_1530611147825{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;background-image: url(https:\/\/igfae.usc.es\/igfaedb\/wp-content\/uploads\/2018\/05\/laser-825&#215;510.jpg?id=1227) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}\u00bb][vc_empty_space height=\u00bb500&#8243;][\/vc_column_inner][vc_column_inner width=\u00bb5\/12&#8243; offset=\u00bbvc_col-lg-offset-1&#8243; css=\u00bb.vc_custom_1531310471460{margin-bottom: 0px !important;padding-top: 25px !important;padding-right: 15px !important;padding-bottom: 0px !important;padding-left: 15px !important;}\u00bb][vc_column_text css=\u00bb.vc_custom_1646311110880{margin-top: 0px !important;padding-top: 0px !important;}\u00bb]<\/p>\n<h3><span style=\"color: #055dbe;\"><strong>Laser PET &#8211; Aceleraci\u00f3n de part\u00edculas l\u00e1ser-plasma en IGFAE<\/strong><\/span><\/h3>\n<p class=\"lead\">La aceleraci\u00f3n laser-plasma es una tecnolog\u00eda prometedora que permitir\u00e1 la construcci\u00f3n de aceleradores compactos de part\u00edculas para ciencia b\u00e1sica y aplicada. Pulsos de l\u00e1ser ultra intensos y ultra cortos focalizados en pocas micras cuadradas en una capa de material microm\u00e9trico generan campos el\u00e9ctricos miles de veces m\u00e1s intensos que aqu\u00e9llos producidos con cavidades de radio frecuencia, donde los electrones son acelerados a energ\u00edas relativistas. La nube de electrones, abandonando el material objetivo, ioniza los \u00e1tomos en la superficie y crea un intenso gradiente el\u00e9ctrico donde los iones son acelerados, en particular los m\u00e1s ligeros, los protones.<\/p>\n<p class=\"lead\">Adem\u00e1s de su inter\u00e9s intr\u00ednseco, los investigadores de IGFAE tambi\u00e9n identifican la aceleraci\u00f3n l\u00e1ser-plasma como una oportunidad de transferir el conocimiento generado mediante su participaci\u00f3n en experimentos internacionales de gran escala. Estas fueron las motivaciones de promover la construcci\u00f3n del L2A2 (las siglas de Laser Laboratory for Acceleration and Applications). Es una infraestructura de investigaci\u00f3n en la Universidade de Santiago de Compostela que hospeda un sistema l\u00e1ser 50TW y un \u00e1rea radio-protegida para experimentos de aceleraci\u00f3n de part\u00edculas por l\u00e1ser-plasma.<\/p>\n<p class=\"lead\"><span lang=\"en-US\">El programa de investigaci\u00f3n dirigido por IGFAE en L2A2 se enfoca en aplicaciones m\u00e9dicas de part\u00edculas aceleradas por l\u00e1ser. En la actualidad, este programa se concentra en dos iniciativas: producci\u00f3n de radiois\u00f3topos por l\u00e1ser para im\u00e1genes PET (LaserPET) y nuevas fuentes de rayos X por l\u00e1ser y su aplicaci\u00f3n en im\u00e1genes (LaseX).<\/span><\/p>\n<p class=\"lead\"><span lang=\"en-US\">M\u00e1s informaci\u00f3n en <span style=\"color: #3366ff;\"> <a href=\"https:\/\/igfae.usc.es\/laserpet\"> www.igfae.usc.es\/laserpet<\/a><\/span><\/span><\/p>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row foundry_background_style=\u00bbbg-secondary\u00bb][vc_column][vc_row_inner][vc_column_inner width=\u00bb1\/2&#8243; css=\u00bb.vc_custom_1530097449062{padding-right: 10px !important;padding-left: 10px !important;}\u00bb][vc_column_text css=\u00bb.vc_custom_1547566257619{border-left-width: 25px !important;padding-left: 10px !important;border-left-color: #154074 !important;border-left-style: solid !important;}\u00bb]<\/p>\n<h4><span style=\"color: #154074;\"><strong>LaserPet<\/strong><\/span><\/h4>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p class=\"lead\"><span lang=\"en-US\">El objetivo del proyecto es desarrollar la tecnolog\u00eda requerida para la producci\u00f3n competitiva de radiois\u00f3topos utilizados en la tomograf\u00eda por emisi\u00f3n de positrones (PET) mediante el uso de aceleradores de part\u00edculas l\u00e1ser. El principal argumento es que las tecnolog\u00edas actuales para la producci\u00f3n de is\u00f3topos de PET se basan en un esquema centralizado de producci\u00f3n y distribuci\u00f3n debido al elevado coste de la infraestructura requerida. Los aceleradores de l\u00e1ser compactos podr\u00edan convertirse en la tecnolog\u00eda habilitadora para la producci\u00f3n bajo demanda de radiois\u00f3topos PET, lo que abre la posibilidad de utilizar is\u00f3topos de corta duraci\u00f3n, como el 11C, 13N o 15O, de especial inter\u00e9s para el diagn\u00f3stico de enfermedades neurodegenerativas y cardiovasculares.<\/span><\/p>\n<p>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/2&#8243;][vc_column_text css=\u00bb.vc_custom_1545391863382{border-left-width: 25px !important;padding-left: 10px !important;border-left-color: #154074 !important;border-left-style: solid !important;}\u00bb]<\/p>\n<h4><span style=\"color: #154074;\"><strong>LaseX <\/strong><\/span><\/h4>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p class=\"lead\"><span lang=\"en-US\">Los pulsos de l\u00e1ser de baja energ\u00eda producidos en L2A2 (1 mJ, 25 fs, 1kHz), enfocados de manera eficiente (~ 10 \u03bcm<sup>2<\/sup>) en diferentes materiales objetivo, generan un plasma donde los electrones se aceleran hasta algunas decenas de kiloelectronvoltios. La interacci\u00f3n de estos electrones con el mismo material objetivo genera rayos X dentro del mismo rango de energ\u00edas. La ventaja de estas nuevas fuentes de rayos X, con respecto a las convencionales, es el tama\u00f1o microm\u00e9trico del foco. Bajo tales condiciones, se pueden producir im\u00e1genes de rayos X con mucha mejor calidad y dosis m\u00e1s bajas. Adem\u00e1s, tambi\u00e9n se pueden producir im\u00e1genes no solo basadas en la t\u00e9cnica de absorci\u00f3n simple, sino tambi\u00e9n aprovechando la fase de los rayos X producidos, la llamada \u00abimagen de contraste de fase\u00bb. Esta tecnolog\u00eda proporciona una sensibilidad adicional a la densidad del objeto expuesto, lo cual es particularmente interesante para las muestras biol\u00f3gicas. <\/span><\/p>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[vc_row full_width=\u00bbstretch_row\u00bb foundry_padding=\u00bbpt0 pb0&#8243; foundry_parallax=\u00bbnot-parallax\u00bb css=\u00bb.vc_custom_1511969745245{background-image: url(https:\/\/igfae.usc.es\/igfaedb\/wp-content\/uploads\/2017\/11\/fondo.jpg?id=122) !important;}\u00bb][vc_column][vc_row_inner content_placement=\u00bbtop\u00bb][vc_column_inner width=\u00bb5\/12&#8243; css=\u00bb.vc_custom_1530611147825{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;background-image: url(https:\/\/igfae.usc.es\/igfaedb\/wp-content\/uploads\/2018\/05\/laser-825&#215;510.jpg?id=1227) !important;background-position:&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1892,"parent":2064,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.4.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>LaserPET - IGFAE<\/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:\/\/igfae.usc.es\/igfaedb\/es\/experimentos\/laserpet\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LaserPET - IGFAE\" \/>\n<meta property=\"og:description\" content=\"[vc_row full_width=\u00bbstretch_row\u00bb foundry_padding=\u00bbpt0 pb0&#8243; 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