{"id":39613,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/fotodisociacion-y-ionizacion-de-moleculas-organicas-con-pulsos-laser-de-distinta-duracion\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"fotodisociacion-y-ionizacion-de-moleculas-organicas-con-pulsos-laser-de-distinta-duracion","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/fotodisociacion-y-ionizacion-de-moleculas-organicas-con-pulsos-laser-de-distinta-duracion\/","title":{"rendered":"Fotodisociacion y ionizacion de moleculas organicas con pulsos laser de distinta duracion."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Rebeca De Nalda Minguez <\/strong><\/h2>\n<p>En este trabajo se ha abordado el estudio de procesos de fotodisociaci\u00f3n y fotoionizaci\u00f3n de mol\u00e9culas org\u00e1nicas inducidos por l\u00e1seres pulsados en un rango de duraci\u00f3n entre 15 ns y 20 ps, lo que implica el estudio de procesos en distintos reg\u00edmenes de intensidad l\u00e1ser. Los estudios han involucrado el uso de distintas t\u00e9cnicas de detecci\u00f3n (fluorescencia espont\u00e1nea de fotofragmentos, fluorescencia inducida por l\u00e1ser, medida de la ionizaci\u00f3n total y espectrometr\u00eda de masas por tiempo de vuelo). En particular, se ha realizado un extenso estudio de los procesos de fotodisociaci\u00f3n de la mol\u00e9cula de cloroetenilsilano (hcic=chsih3) a diferentes longitudes de onda en el ultravioleta, que ha confirmado las dos v\u00edas primarias de disociaci\u00f3n que se hab\u00edan postulado en la literatura y ha indicado la existencia de una tercera v\u00eda que da lugar al radical hsicl. En la regi\u00f3n del ultravioleta cercano, se han realizado estudios comparativos de los procesos de fotodisociaci\u00f3n y ionizaci\u00f3n en las mol\u00e9culas de cetena (ch2co) y ciclohexano (c6h12) inducidos por pulsos l\u00e1ser de 4 ns y 20 ps de duraci\u00f3n. el an\u00e1lisis comparativo, realizado con la ayuda de modelos cin\u00e9ticos, ha proporcionado informaci\u00f3n sobre los mecanismos multifot\u00f3nicos operativos en estas mol\u00e9culas. Por \u00faltimo, se presentan resultados de generaci\u00f3n de arm\u00f3nicos elevados de la radiaci\u00f3n proporcionada por un l\u00e1ser ultraintenso de 780 nm y una duraci\u00f3n de pulso de 200 fs en mol\u00e9culas org\u00e1nicas (benceno y ciclohexano). los estudios demuestran la capacidad de estas especies para generar arm\u00f3nicos elevados con alta eficiencia y mayor selectividad que los gases nobles.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Fotodisociacion y ionizacion de moleculas organicas con pulsos laser de distinta duracion.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Fotodisociacion y ionizacion de moleculas organicas con pulsos laser de distinta duracion. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Rebeca De Nalda Minguez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1999<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Marta Castillejo Siriano<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: eusebio Bernabeu Martinez <\/li>\n<li>margarita Martin mu\u00f1oz (vocal)<\/li>\n<li>Francisco Javier Aoiz moleres (vocal)<\/li>\n<li>stelios Couris (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Rebeca De Nalda Minguez En este trabajo se ha abordado el estudio de procesos de fotodisociaci\u00f3n y [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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