{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/72756"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/72756","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Tunable absorption and selective thermal emission from engineered metals with thin dielectric coatings","abstract":"The mid-infrared is a technologically important region of the electromagnetic spectrum because it includes both the peak thermal emission of objects at room temperature and the molecular absorption resonances of many common liquids and gases. Thermal sensing and imaging is widely used in industrial and defense applications, and the ability to manipulate an object’s thermal emission spectrum has important implications for enhancing or thwarting detection of an object’s thermal signature. According to Kirchhoff’s law of thermal radiation, altering an object’s emissivity is equivalent to altering its absorptivity. In this thesis, we investigate a simple planar structure for achieving tunable, polarization- and angle-independent perfect absorption in the mid-infrared. Additionally, we demonstrate tunable selective thermal emission upon heating the device.","abstract_html":"The mid-infrared is a technologically important region of the electromagnetic spectrum because it includes both the peak thermal emission of objects at room temperature and the molecular absorption resonances of many common liquids and gases. Thermal sensing and imaging is widely used in industrial and defense applications, and the ability to manipulate an object’s thermal emission spectrum has important implications for enhancing or thwarting detection of an object’s thermal signature. According to Kirchhoff’s law of thermal radiation, altering an object’s emissivity is equivalent to altering its absorptivity. In this thesis, we investigate a simple planar structure for achieving tunable, polarization- and angle-independent perfect absorption in the mid-infrared. Additionally, we demonstrate tunable selective thermal emission upon heating the device.","abstract_has_math":false,"creators":["Streyer, William"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Electrical & Computer Engr","degree_department":null,"school":null,"contributors":["Wasserman, Daniel M."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-01-21T19:47:45Z","date_published":"2015-01-21T19:47:45Z","updated_at":"2026-07-22T22:26:07Z","subjects":["mid-infrared","perfect absorber","selective thermal emission","engineered metal","highly-doped semiconductor"],"languages":["en"],"rights":["Copyright 2014 William Henderson Streyer"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/72756","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Wasserman, Daniel M."]},{"key":"dc:creator","label":"Author","values":["Streyer, William"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-01-21T19:47:45Z","2014-12","2015-01-21"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical & Computer Engr"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"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":["mid-infrared","perfect absorber","selective thermal emission","engineered metal","highly-doped semiconductor"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2014 William Henderson Streyer"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/72756"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The mid-infrared is a technologically important region of the electromagnetic spectrum because it includes both the peak thermal emission of objects at room temperature and the molecular absorption resonances of many common liquids and gases. Thermal sensing and imaging is widely used in industrial and defense applications, and the ability to manipulate an object’s thermal emission spectrum has important implications for enhancing or thwarting detection of an object’s thermal signature. According to Kirchhoff’s law of thermal radiation, altering an object’s emissivity is equivalent to altering its absorptivity. In this thesis, we investigate a simple planar structure for achieving tunable, polarization- and angle-independent perfect absorption in the mid-infrared. Additionally, we demonstrate tunable selective thermal emission upon heating the device.","Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2014-12-02T14:34:34Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 2 MS Thesis Streyer.docx: 1683103 bytes, checksum: 7e1d1584a32158e496a50359ae1cb840 (MD5) Streyer_William.pdf: 1108385 bytes, checksum: 33af37e86fb9ac4b2c2c770123e07680 (MD5)","Made available in DSpace on 2015-01-21T19:47:45Z (GMT). No. of bitstreams: 2 William_Streyer.pdf: 1108385 bytes, checksum: 33af37e86fb9ac4b2c2c770123e07680 (MD5) MS Thesis Streyer.docx: 1683103 bytes, checksum: 7e1d1584a32158e496a50359ae1cb840 (MD5)"]},{"key":"dc:title","label":"Title","values":["Tunable absorption and selective thermal emission from engineered metals with thin dielectric coatings"]}]}],"canonical_facts":{"dc:contributor":["Wasserman, Daniel M."],"dc:creator":["Streyer, William"],"dc:date":["2015-01-21T19:47:45Z","2014-12","2015-01-21"],"dc:description":["The mid-infrared is a technologically important region of the electromagnetic spectrum because it includes both the peak thermal emission of objects at room temperature and the molecular absorption resonances of many common liquids and gases. Thermal sensing and imaging is widely used in industrial and defense applications, and the ability to manipulate an object’s thermal emission spectrum has important implications for enhancing or thwarting detection of an object’s thermal signature. According to Kirchhoff’s law of thermal radiation, altering an object’s emissivity is equivalent to altering its absorptivity. In this thesis, we investigate a simple planar structure for achieving tunable, polarization- and angle-independent perfect absorption in the mid-infrared. Additionally, we demonstrate tunable selective thermal emission upon heating the device.","Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2014-12-02T14:34:34Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 2 MS Thesis Streyer.docx: 1683103 bytes, checksum: 7e1d1584a32158e496a50359ae1cb840 (MD5) Streyer_William.pdf: 1108385 bytes, checksum: 33af37e86fb9ac4b2c2c770123e07680 (MD5)","Made available in DSpace on 2015-01-21T19:47:45Z (GMT). No. of bitstreams: 2 William_Streyer.pdf: 1108385 bytes, checksum: 33af37e86fb9ac4b2c2c770123e07680 (MD5) MS Thesis Streyer.docx: 1683103 bytes, checksum: 7e1d1584a32158e496a50359ae1cb840 (MD5)"],"dc:identifier":["http://hdl.handle.net/2142/72756"],"dc:language":["en"],"dc:rights":["Copyright 2014 William Henderson Streyer"],"dc:subject":["mid-infrared","perfect absorber","selective thermal emission","engineered metal","highly-doped semiconductor"],"dc:title":["Tunable absorption and selective thermal emission from engineered metals with thin dielectric coatings"],"dc:type":["text"],"thesis:degree_discipline":["Electrical & Computer Engr"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:07Z"}