{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/66251"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/66251","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Optical Characterization of Thin Metallic and Semiconducting Films in the Far Infrared","abstract":"The performance in a cw optically pumped far infrared (fir) laser of a hybrid metal mesh-dielectric mirror consisting of an assembly of thin metallic and semiconducting films is evaluated. Its construction is described and an overview of theoretical approaches predicting its optical properties is outlined. From the general model which best agrees with the experimentally determined transmission a simplified model is derived and shown to maintain sufficient accuracy to warrent its further utilization.","abstract_html":"The performance in a cw optically pumped far infrared (fir) laser of a hybrid metal mesh-dielectric mirror consisting of an assembly of thin metallic and semiconducting films is evaluated. Its construction is described and an overview of theoretical approaches predicting its optical properties is outlined. From the general model which best agrees with the experimentally determined transmission a simplified model is derived and shown to maintain sufficient accuracy to warrent its further utilization.","abstract_has_math":false,"creators":["Durschlag, Mark Stuart"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Electrical Engineering","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-12-12T20:55:22Z","date_published":"2014-12-12T20:55:22Z","updated_at":"2026-07-22T22:25:55Z","subjects":["Physics, Condensed Matter"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8127582"],"render_values":[{"text":"(UMI)AAI8127582","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/66251","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Durschlag, Mark Stuart"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-12-12T20:55:22Z","10000-01-01","1981"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Physics, Condensed Matter"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/66251","(UMI)AAI8127582"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The performance in a cw optically pumped far infrared (fir) laser of a hybrid metal mesh-dielectric mirror consisting of an assembly of thin metallic and semiconducting films is evaluated. Its construction is described and an overview of theoretical approaches predicting its optical properties is outlined. From the general model which best agrees with the experimentally determined transmission a simplified model is derived and shown to maintain sufficient accuracy to warrent its further utilization.","Ultra-thin semiconducting heterostructures are also examined using fir techniques. In particular, it is shown that by fitting a calculated reflectivity based on a simple classical model to the fir reflectivity obtained experimentally, both electrical (free carrier concentration, mobility) and lattice (polar phonon frequencies) parameters can be obtained with reasonable accuracy.","Made available in DSpace on 2014-12-12T20:55:22Z (GMT). No. of bitstreams: 1 8127582.pdf: 3857509 bytes, checksum: 592560c1f76c9a1e2e27b3355a2d4596 (MD5) Previous issue date: 1981","Embargo set by: Seth Robbins for item 66430 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","119 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1981."]},{"key":"dc:title","label":"Title","values":["Optical Characterization of Thin Metallic and Semiconducting Films in the Far Infrared"]}]}],"canonical_facts":{"dc:creator":["Durschlag, Mark Stuart"],"dc:date":["2014-12-12T20:55:22Z","10000-01-01","1981"],"dc:description":["The performance in a cw optically pumped far infrared (fir) laser of a hybrid metal mesh-dielectric mirror consisting of an assembly of thin metallic and semiconducting films is evaluated. Its construction is described and an overview of theoretical approaches predicting its optical properties is outlined. From the general model which best agrees with the experimentally determined transmission a simplified model is derived and shown to maintain sufficient accuracy to warrent its further utilization.","Ultra-thin semiconducting heterostructures are also examined using fir techniques. In particular, it is shown that by fitting a calculated reflectivity based on a simple classical model to the fir reflectivity obtained experimentally, both electrical (free carrier concentration, mobility) and lattice (polar phonon frequencies) parameters can be obtained with reasonable accuracy.","Made available in DSpace on 2014-12-12T20:55:22Z (GMT). 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