{"id":2425,"date":"2025-04-23T09:25:19","date_gmt":"2025-04-23T15:25:19","guid":{"rendered":"https:\/\/www.anc.cr\/?page_id=2425"},"modified":"2025-04-23T09:25:20","modified_gmt":"2025-04-23T15:25:20","slug":"william-vargas-castro","status":"publish","type":"page","link":"https:\/\/www.anc.cr\/en\/william-vargas-castro\/","title":{"rendered":"William Vargas Castro"},"content":{"rendered":"
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William Vargas Castro<\/strong><\/h3>\n\n\n\n

Acad\u00e9mico de N\u00famero<\/p>\n\n\n\n

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  • Profesor Em\u00e9rito, Universidad de Costa Rica (2019-).<\/li>\n\n\n\n
  • Profesor Catedr\u00e1tico, Escuela de F\u00edsica y Centro de Investigaci\u00f3n en Ciencia e Ingenier\u00eda de Materiales, Universidad de Costa Rica, San Jos\u00e9, Costa Rica (1997-2015).\u00a0<\/li>\n\n\n\n
  • Bachiller en F\u00edsica, Universidad de Costa Rica (1984).<\/li>\n\n\n\n
  • Magister Scientiae en F\u00edsica, Sistema de Estudios de Posgrado, Universidad de Costa Rica (1990).<\/li>\n\n\n\n
  • Master of Science (MSc), Institute of Technology, Uppsala University, Sweden (1995).<\/li>\n\n\n\n
  • Doctor of Philosophy (PhD), Department of Materials Science, Uppsala University, Sweden (1997).\u00a0<\/li>\n<\/ul>\n<\/div>\n\n\n\n
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    William E. Vargas ha impartido cursos en la Escuela de F\u00edsica de la Universidad de Costa Rica y en la Sede del Atl\u00e1ntico, Recinto de Turrialba. Entre los cursos impartidos est\u00e1n: F\u00edsicas Generales para carreras de Ingenier\u00eda y F\u00edsica, F\u00edsica introductoria para carreras de ciencias de la vida, F\u00edsica Estad\u00edstica, M\u00e9todos Num\u00e9ricos, Mec\u00e1nica Cu\u00e1ntica, Electricidad y Magnetismo, Estado S\u00f3lido.<\/p>\n\n\n\n

    Su \u00e1rea de investigaci\u00f3n se enfoca en las Propiedades \u00f3pticas de materiales. Se ha considerado la interacci\u00f3n de la luz con sistemas f\u00edsicos variados, seg\u00fan las dimensiones de estos y su composici\u00f3n f\u00edsica y morfolog\u00eda. Entre los sistemas analizados est\u00e1n: nano-part\u00edculas met\u00e1licas y su efecto de intensificaci\u00f3n del campo el\u00e9ctrico, pol\u00edmeros pigmentados y sus espectros de reflexi\u00f3n y transmisi\u00f3n de luz difusa, pel\u00edculas ultra delgadas met\u00e1licas y correlaci\u00f3n entre su morfolog\u00eda y las propiedades \u00f3pticas de \u00e9stas, pel\u00edculas delgadas de metales tierras raras, y de metales de transici\u00f3n, y variaci\u00f3n de la trasmisi\u00f3n de luz en funci\u00f3n de la absorci\u00f3n de hidr\u00f3geno at\u00f3mico, coloraci\u00f3n estructural en abejones \u201cmet\u00e1licos\u201d del territorio costarricense y polarizaci\u00f3n circular de la luz reflejada por esto, as\u00ed como transmisi\u00f3n de luz a trav\u00e9s de muestras l\u00edquidas conteniendo emulsiones que dispersan y absorben la luz.<\/p>\n\n\n\n

    Ha recibido el Premio TWAS-CONICIT para Cient\u00edficos J\u00f3venes 1995, conferido por la Academia de Ciencias del Tercer Mundo, y administrado en Costa Rica por el Consejo Nacional para Investigaciones Cient\u00edficas y Tecnol\u00f3gicas, CONICIT. Adem\u00e1s, obtuvo el Premio Nacional en Ciencias \u201cDr. Clodomiro Picado Twight\u201d del a\u00f1o 2000, conferido por el Ministerio de Ciencia y Tecnolog\u00eda de Costa Rica, y el Premio al Investigador de la Universidad de Costa Rica 2005, otorgado por la Vicerrector\u00eda de Investigaci\u00f3n de la Universidad de Costa Rica. <\/p>\n\n\n\n

    Publicaciones representativas: <\/strong><\/p>\n\n\n\n

      \n
    • W. E. Vargas \u201cTheoretical framework to describe the reflection of circularly polarized light by a natural photonic crystal: elytron of a Chrysina resplendens scarab\u201d Optics Continuum 1, 409-426 (2022).<\/li>\n\n\n\n
    • D. A. Abarca-Quesada, C. E. Vargas-Quir\u00f3s, W. E. Vargas-Castro \u201cPhysical properties of rhodium retrieved from modeling its dielectric function by a simulated annealing approach\u201d OSA Continuum 4, 3233-3253 (2021).<\/li>\n\n\n\n
    • \u00a0W. E. Vargas, E. Libby, M. Alfaro-C\u00f3rdoba, M. Hern\u00e1ndez-Jim\u00e9nez, E. Avendano, \u00c1. Sol\u00eds, D. E. Azofeifa, C. Barboza-Aguilar \u201cOptical and morphological properties of the cuticle of Chrysina resplendens scarabs: role of effective and structural pitches\u201d Recent Advances in Photonics and Optics 4, 56-68 (2021).<\/li>\n\n\n\n
    • \u00a0W. E. Vargas, J. Wang, G. A. Niklasson \u201cEffective backscattering and absorption coefficients of light diffusing materials retrieved from reflectance and transmittance spectra of diffuse radiation\u201d J. Mod. Opt. 68, 605-623 (2021).<\/li>\n\n\n\n
    • S. Quir\u00f3s-Ach\u00ed, W. E. Vargas-Castro \u201cScattering and absorption coefficients of biological chlorophyll pigmented grains in aqueous suspension\u201d Chromatography & Spectroscopy Techniques 4, 48-60 (2021).<\/li>\n\n\n\n
    • \u00a0W. E. Vargas, J. Wang, G. A. Niklasson \u201cScattering and absorption cross sections of light diffusing materials retrieved from reflectance and transmittance spectra of collimated radiation\u201d J. Mod. Opt. 67, 974-991 (2020).<\/li>\n\n\n\n
    • W. E. Vargas \u201cDiffuse radiation intensity propagating through a particulate slab\u201d J. Opt. Soc. Am. A 16, 1262-1272 (1999).<\/li>\n\n\n\n
    • W. E. Vargas \u201cGeneralized four-flux radiative transfer model\u201d Appl. Opt. 37, 2615-2623 (1998).<\/li>\n\n\n\n
    • W. E. Vargas and G. A. Niklasson \u201cApplicability conditions of the Kubelka-Munk theory\u201d Appl. Opt. 36, 5580-5586 (1997).<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      William Vargas Castro Acad\u00e9mico de N\u00famero William E. Vargas ha impartido cursos en la Escuela de F\u00edsica de la Universidad de Costa Rica y en la Sede del Atl\u00e1ntico, Recinto de Turrialba. Entre los cursos impartidos est\u00e1n: F\u00edsicas Generales para carreras de Ingenier\u00eda y F\u00edsica, F\u00edsica introductoria para carreras de ciencias de la vida, F\u00edsica […]<\/p>\n","protected":false},"author":2,"featured_media":507,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2425","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\nWilliam Vargas Castro - ANC<\/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:\/\/www.anc.cr\/en\/william-vargas-castro\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"William Vargas Castro - ANC\" \/>\n<meta property=\"og:description\" content=\"William Vargas Castro Acad\u00e9mico de N\u00famero William E. Vargas ha impartido cursos en la Escuela de F\u00edsica de la Universidad de Costa Rica y en la Sede del Atl\u00e1ntico, Recinto de Turrialba. 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