{"id":6782,"date":"2023-12-13T13:12:23","date_gmt":"2023-12-13T17:12:23","guid":{"rendered":"https:\/\/home.hamptonu.edu\/engineering\/?page_id=6782"},"modified":"2024-04-29T17:46:34","modified_gmt":"2024-04-29T21:46:34","slug":"dr-demetrius-l-geddis","status":"publish","type":"page","link":"https:\/\/home.hamptonu.edu\/engineering\/dr-demetrius-l-geddis\/","title":{"rendered":"Dr. Demetrius L. Geddis"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"6782\" class=\"elementor elementor-6782\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7ed015b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7ed015b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b4a6c53\" data-id=\"b4a6c53\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1af667c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1af667c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-09f2892\" data-id=\"09f2892\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8ca7a34 elementor-widget elementor-widget-text-editor\" data-id=\"8ca7a34\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><strong>Dr. Demetris L. Geddis<\/strong><\/h2><h4><strong>Assistant Dean and Professor of Electrical and Computer Engineering<\/strong><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-db56cd2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"db56cd2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-113f60b\" data-id=\"113f60b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-43fd2b7 elementor-widget elementor-widget-spacer\" data-id=\"43fd2b7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-829be05 elementor-widget elementor-widget-text-editor\" data-id=\"829be05\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Location:<\/strong> Olin 118<\/p><p><strong>Phone:<\/strong> (757) 727 \u2013 5299<\/p><p><strong>Email: <\/strong>Demetris.Geddis@hamptonu.edu<\/p><p><strong>Expertise:<\/strong> Integrated Photonics and Micro\/Nano Technology<\/p><p><strong>Education: <\/strong>Ph.D. Electrical and Computer Engineering, Georgia Institute of Technology, 2003<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-4ef7b40\" data-id=\"4ef7b40\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0ba5303 elementor-widget elementor-widget-image\" data-id=\"0ba5303\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/home.hamptonu.edu\/engineering\/wp-content\/uploads\/sites\/42\/2024\/01\/dr-geddis.jpg\" title=\"dr geddis\" alt=\"dr geddis\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-547d33b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"547d33b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-861bb23\" data-id=\"861bb23\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f17e857 elementor-widget elementor-widget-text-editor\" data-id=\"f17e857\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>BIO<\/strong><\/p><p style=\"color: #000000;font-family: Times;font-size: medium;font-style: normal;font-weight: 400\">Demetris L. Geddis is the Assistant Dean of the School of Engineering, Architecture, and Aviation and Professor of Electrical and Computer Engineering at Hampton University. Dr. Geddis earned his Bachelor of Science in Electrical Engineering from Hampton University (\u201998) and Master of Science and Ph.D. in Electrical and Computer Engineering from the Georgia Institute of Technology. He has extensive research experience in the areas of integrated optoelectronics, photonic integrated circuits, micro and nanofabrication, and semiconductor materials. Dr. Geddis has worked as a Research and Design Engineer at Motorola and Bell Laboratories. He has also worked at the NASA Langley Research Center as a NASA Faculty Fellow for the Nondestructive Evaluation Sciences Branch where he performed research in the area of optical fiber sensing for real time health monitoring of aerospace vehicles. Currently, Dr. Geddis serves as the Principal Investigator of the Hampton-Brandeis Partnership for Research and Education in Materials (PREM), which is a six-year NSF-funded program that brings together faculty and students from engineering, physics, and chemistry to forge new knowledge in the area of integrated photonic materials.<\/p><p><strong>RECENT PUBLICATIONS<\/strong><\/p><p style=\"color: #000000;font-family: Times;font-size: medium;font-style: normal;font-weight: 400\">G. Mirbagheri, I. Uba,K. Ghebreyessus, U. H\u00f6mmerich, S. Fraden, M. Stehnach, and D. Geddis, \u201cNumerical analysis of the propagation modes of photo-switching PDMS-arylazopyrazole optical waveguide and thin-film spectroscopic characterization,\u201d Journal of Nanophotonics, Vol. 17, No. 2 (2023).<\/p><p style=\"color: #000000;font-family: Times;font-size: medium;font-style: normal;font-weight: 400\"><span style=\"font-size: medium;font-style: normal;font-weight: 400\">Mirbagheri, G.; Uba, I.; Ghebreyessus, K.; Hommerich, U.; Fraden, S.; Stehnach, M.; Geddis, D. \u201cNumerical Analysis of the Propagation Modes of Photo-switching PDMS-Arylazopyrazole Optical Waveguide and Thin-Film Spectroscopic Characterization\u201d SPIE Photonics, West Proceedings, 2023.<\/span><\/p><p style=\"color: #000000;font-family: Times;font-size: medium;font-style: normal;font-weight: 400\"><span style=\"font-size: medium;font-style: normal;font-weight: 400\">Uba, D. Geddis, K. Ghebreyessus, U. Hommerich, and J. Dumas, \u201cA Study of Wave Confinement and Optical Force in Polydimethlysiloxane\u2013Arylazopyrazole Composite for Photonic Applications,\u201d Polymers, 2022, 14, 896.<\/span><\/p><p style=\"color: #000000;font-family: Times;font-size: medium;font-style: normal;font-weight: 400\">K. C. Smith, D. Geddis, J. Dumas, \u201cThe role of the HBCU pipeline in diversifying the STEM workforce: Training the next generation of drug delivery researchers,\u201d Advanced Drug Delivery Reviews, Volume 176, 2021, 113866.<\/p><p style=\"color: #000000;font-family: Times;font-size: medium;font-style: normal;font-weight: 400\">I. Uba, K. Ghebreyessus, D. Geddis and U. Hommerich, &#8220;Tunable Optoelectronic Properties of Polydimethylsiloxane-Arylazopyrazole Flexible Composite,&#8221; SoutheastCon 2021, 2021, pp. 1-5, doi: 10.1109\/SoutheastCon45413.2021.9401853.<\/p><p style=\"color: #000000;font-family: Times;font-size: medium;font-style: normal;font-weight: 400\">U. H\u00f6mmerich, J. Barnett, A. Kabir, K. Ghebreyessus, K. Hampton, S. Uba, I. Uba, D. Geddis, C. Yang, S. B. Trivedi, S. Fraden, Ali Aghvami, &#8220;Comparative steady-state and time-resolved emission spectroscopy of Mn-doped CsPbCl3 perovskite nanoparticles and bulk single crystals for photonic applications,&#8221; Proc. SPIE 11682, Optical Components and Materials XVIII, 116821J (5 March 2021)<\/p><p style=\"color: #000000;font-family: Times;font-size: medium;font-style: normal;font-weight: 400\">Ghebreyessus, K.; Uba, I.; Geddis, D.; Hommerich, U. &#8221; Solid-State Photoswitching in arylazopyrazole-embedded polydimethylsiloxane composite thin films&#8221; J. Solid State. Chem. 2021, 303, 122519.<\/p><p style=\"color: #000000;font-family: Times;font-size: medium;font-style: normal;font-weight: 400\">Demetris Geddis, Brian Aufderheide, Herman Colquhoun Jr., \u201cProject and Design-Based Introductory Engineering Course using Arduino Kits,\u201d ASEE Annual Conference Proceedings, June 2020.<\/p><p style=\"color: #000000;font-family: Times;font-size: medium;font-style: normal;font-weight: 400\">J. Kelly, M. Chouikha, C. Scott, K. Connor, D. Geddis, M. Ndoye, S. Abraham, M. Velez-Reyes, S. Zein-Sabatto, R. Yaqub \u201cThe Inclusive Engineering Consortium Stakeholders Workshop,\u201d ASEE Virtual Conference, June 2020<\/p><p style=\"color: #000000;font-family: Times;font-size: medium;font-style: normal;font-weight: 400\">Nathan Holland, Brian Aufderheide, and Demetris Geddis, \u201cAddition of Arduino Kits to Introductory Engineering Course,\u201d ASEE Southeastern Section Conference Proceedings, 2019<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Dr. Demetris L. Geddis Assistant Dean and Professor of Electrical and Computer Engineering Location: Olin 118 Phone: (757) 727 \u2013 5299 Email: Demetris.Geddis@hamptonu.edu Expertise: Integrated Photonics and Micro\/Nano Technology Education: Ph.D. Electrical and Computer Engineering, Georgia Institute of Technology, 2003 BIO Demetris L. Geddis is the Assistant Dean of the School of Engineering, Architecture, and [&hellip;]<\/p>\n","protected":false},"author":146,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","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":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","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":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-6782","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dr. Demetrius L. 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