{"id":{"repo_id":"unm","oai_identifier":"oai:digitalrepository.unm.edu:ece_etds-1130"},"canonical_url":"https://search.dev.ndltd.org/etd/unm/oai:digitalrepository.unm.edu:ece_etds-1130","repository":{"repo_id":"unm","name":"University of New Mexico","base_url":"https://digitalrepository.unm.edu/do/oai/"},"display":{"title":"Thermal detection in the long wave infrared and very long wave infrared regions","abstract":"Thermal detection has made extensive progress in the last 40 years, however, the speed and detectivity remain insufficient for certain applications. The advancement of microphotonic resonators has brought interest of their use as detection devices due to their small size and high quality factors. Implementing silicon photonic microring resonators as a means of a thermal detector gives rise to higher speed and detectivity, as well as lower noise. Thermal detection in the far wave infrared region (Terahertz) remains underdeveloped, opening a door for new innovative technologies such as metamaterials. This thesis will present the design and measurements of silicon photonic microring resonators used for thermal detection. The characteristic values, consisting of the thermal time constant ( \\u2248 2 ) and noise equivalent power (NEP \\u2248 10-12 ), were measured and found to surpass the performance of the best microbolometers. Furthermore the detectivity was found to be = 1.8 x 108 ; this is comparable to commercial detectors. Subsequent design modifications should increase the detectivity by another order of magnitude. Also shown is the use of metamaterials in conjunction with a bimorph cantilever design for detection in the far wave infrared region. While much work remains to institute these technologies into a deployable product, the early stages of research show potential for use in thermal detection and other applications.","abstract_html":"Thermal detection has made extensive progress in the last 40 years, however, the speed and detectivity remain insufficient for certain applications. The advancement of microphotonic resonators has brought interest of their use as detection devices due to their small size and high quality factors. Implementing silicon photonic microring resonators as a means of a thermal detector gives rise to higher speed and detectivity, as well as lower noise. Thermal detection in the far wave infrared region (Terahertz) remains underdeveloped, opening a door for new innovative technologies such as metamaterials. This thesis will present the design and measurements of silicon photonic microring resonators used for thermal detection. The characteristic values, consisting of the thermal time constant ( \\u2248 2 ) and noise equivalent power (NEP \\u2248 10-12 ), were measured and found to surpass the performance of the best microbolometers. Furthermore the detectivity was found to be = 1.8 x 108 ; this is comparable to commercial detectors. Subsequent design modifications should increase the detectivity by another order of magnitude. Also shown is the use of metamaterials in conjunction with a bimorph cantilever design for detection in the far wave infrared region. While much work remains to institute these technologies into a deployable product, the early stages of research show potential for use in thermal detection and other applications.","abstract_has_math":false,"creators":["Kadlec, Emil"],"institution":null,"degree_name":"Electrical Engineering","degree_level":"Thesis","degree_discipline":"Electrical and Computer Engineering","degree_department":null,"school":null,"contributors":["Fleddermann, Charles","Shaner, Eric","Hossein-Zadeh, Mani"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-08-30T07:00:00Z","date_published":"2011-08-30T07:00:00Z","updated_at":"2026-07-24T05:27:19Z","subjects":["Infrared detectors","Temperature measuring instruments","Metamaterials."],"languages":["English"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://digitalrepository.unm.edu/ece_etds/131","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Fleddermann, Charles","Shaner, Eric","Hossein-Zadeh, Mani"]},{"key":"dc:creator","label":"Author","values":["Kadlec, Emil"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical and Computer Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis","Masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Electrical Engineering"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Infrared detectors","Temperature measuring instruments","Metamaterials."]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://digitalrepository.unm.edu/ece_etds/131"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Thermal detection has made extensive progress in the last 40 years, however, the speed and detectivity remain insufficient for certain applications. The advancement of microphotonic resonators has brought interest of their use as detection devices due to their small size and high quality factors. Implementing silicon photonic microring resonators as a means of a thermal detector gives rise to higher speed and detectivity, as well as lower noise. Thermal detection in the far wave infrared region (Terahertz) remains underdeveloped, opening a door for new innovative technologies such as metamaterials. This thesis will present the design and measurements of silicon photonic microring resonators used for thermal detection. The characteristic values, consisting of the thermal time constant ( \\u2248 2 ) and noise equivalent power (NEP \\u2248 10-12 ), were measured and found to surpass the performance of the best microbolometers. Furthermore the detectivity was found to be = 1.8 x 108 ; this is comparable to commercial detectors. Subsequent design modifications should increase the detectivity by another order of magnitude. Also shown is the use of metamaterials in conjunction with a bimorph cantilever design for detection in the far wave infrared region. While much work remains to institute these technologies into a deployable product, the early stages of research show potential for use in thermal detection and other applications."]},{"key":"dc:title","label":"Title","values":["Thermal detection in the long wave infrared and very long wave infrared regions"]}]}],"canonical_facts":{"dc:contributor":["Fleddermann, Charles","Shaner, Eric","Hossein-Zadeh, Mani"],"dc:creator":["Kadlec, Emil"],"dc:description.abstract":["Thermal detection has made extensive progress in the last 40 years, however, the speed and detectivity remain insufficient for certain applications. The advancement of microphotonic resonators has brought interest of their use as detection devices due to their small size and high quality factors. Implementing silicon photonic microring resonators as a means of a thermal detector gives rise to higher speed and detectivity, as well as lower noise. Thermal detection in the far wave infrared region (Terahertz) remains underdeveloped, opening a door for new innovative technologies such as metamaterials. This thesis will present the design and measurements of silicon photonic microring resonators used for thermal detection. The characteristic values, consisting of the thermal time constant ( \\u2248 2 ) and noise equivalent power (NEP \\u2248 10-12 ), were measured and found to surpass the performance of the best microbolometers. Furthermore the detectivity was found to be = 1.8 x 108 ; this is comparable to commercial detectors. Subsequent design modifications should increase the detectivity by another order of magnitude. Also shown is the use of metamaterials in conjunction with a bimorph cantilever design for detection in the far wave infrared region. While much work remains to institute these technologies into a deployable product, the early stages of research show potential for use in thermal detection and other applications."],"dc:identifier":["https://digitalrepository.unm.edu/ece_etds/131"],"dc:language":["English"],"dc:subject":["Infrared detectors","Temperature measuring instruments","Metamaterials."],"dc:title":["Thermal detection in the long wave infrared and very long wave infrared regions"],"thesis:degree_discipline":["Electrical and Computer Engineering"],"thesis:degree_level":["Thesis","Masters"],"thesis:degree_name":["Electrical Engineering"]},"updated_at":"2026-07-24T05:27:19Z"}