Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6930
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dc.contributor.authorMoftakharzadeh, Ali-
dc.contributor.authorKokabi, Alireza-
dc.contributor.authorBozbey, Ali-
dc.contributor.authorGhodselahi, Tayebeh-
dc.contributor.authorVesaghi, Mohammad Ali-
dc.contributor.authorKhorasani, Sina-
dc.contributor.authorFardmanesh, Mehdi-
dc.date.accessioned2021-09-11T15:44:20Z-
dc.date.available2021-09-11T15:44:20Z-
dc.date.issued2009en_US
dc.identifier.issn1051-8223-
dc.identifier.issn1558-2515-
dc.identifier.urihttps://doi.org/10.1109/TASC.2009.2020866-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/6930-
dc.description.abstractBolometric response and noise characteristics of YBCO superconductor transition edge IR detectors with relatively sharp transition and its resulting detectivity are investigated both theoretically and experimentally. The magnitude of response of a fabricated device was obtained for different bias currents and modulation frequencies. Using the measured and calculated bolometric response and noise characteristics, we found and analyzed the device detectivity versus frequency for different bias currents. The detectivity versus chopping frequency of the device did not decrease following the response strongly, due to the decrease of the noise at higher frequencies up to 1 kHz, resulting in maximum detectivity around the modulation frequency of 100 Hz. We also improved the responsivity of the device through the increase of the surface absorption by using a novel infrared absorber, which is made of a copper-carbon composite, coated in a low-temperature process. Within the modulation frequency range studied in this paper, comparison of device detectivity before and after coating is also presented.en_US
dc.description.sponsorshipTUBITAKTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [105E134]en_US
dc.description.sponsorshipThis work was supported in part by TUBITAK under Project 105E134.en_US
dc.language.isoenen_US
dc.publisherIEEE-Inst Electrical Electronics Engineers Incen_US
dc.relation.ispartofIEEE Transactions On Applied Superconductivityen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectDetectivityen_US
dc.subjectinfrared absorberen_US
dc.subjecttransition edge sensor (TES)en_US
dc.titleInvestigation of Bias Current and Modulation Frequency Dependences of Detectivity of Ybco Tes and the Effects of Coating of Cu-C Composite Absorber Layeren_US
dc.typeArticleen_US
dc.departmentFaculties, Faculty of Engineering, Department of Electrical and Electronics Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümütr_TR
dc.identifier.volume19en_US
dc.identifier.issue4en_US
dc.identifier.startpage3688en_US
dc.identifier.endpage3693en_US
dc.authorid0000-0003-2747-310X-
dc.authorid0000-0002-2361-4844-
dc.identifier.wosWOS:000268526500010en_US
dc.identifier.scopus2-s2.0-68849122764en_US
dc.institutionauthorBozbey, Ali-
dc.identifier.doi10.1109/TASC.2009.2020866-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
item.openairetypeArticle-
item.languageiso639-1en-
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
crisitem.author.dept02.5. Department of Electrical and Electronics Engineering-
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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