{"id":"https://openalex.org/W3194960302","doi":"https://doi.org/10.1109/ecai52376.2021.9515149","title":"A Terahertz Metamaterial Absorber Based Refractive Index Sensor with High Quality Factor","display_name":"A Terahertz Metamaterial Absorber Based Refractive Index Sensor with High Quality Factor","publication_year":2021,"publication_date":"2021-07-01","ids":{"openalex":"https://openalex.org/W3194960302","doi":"https://doi.org/10.1109/ecai52376.2021.9515149","mag":"3194960302"},"language":"en","primary_location":{"id":"doi:10.1109/ecai52376.2021.9515149","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ecai52376.2021.9515149","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 13th International Conference on Electronics, Computers and Artificial Intelligence (ECAI)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5074270327","display_name":"Sagnik Banerjee","orcid":"https://orcid.org/0009-0008-8707-0963"},"institutions":[{"id":"https://openalex.org/I67357951","display_name":"KIIT University","ror":"https://ror.org/00k8zt527","country_code":"IN","type":"education","lineage":["https://openalex.org/I67357951"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Sagnik Banerjee","raw_affiliation_strings":["School of Electronics Engineering, Kalinga Institute of Industrial Technology, Bhubaneswar, India"],"affiliations":[{"raw_affiliation_string":"School of Electronics Engineering, Kalinga Institute of Industrial Technology, Bhubaneswar, India","institution_ids":["https://openalex.org/I67357951"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009945534","display_name":"Uddipan Nath","orcid":"https://orcid.org/0009-0001-7967-6921"},"institutions":[{"id":"https://openalex.org/I67357951","display_name":"KIIT University","ror":"https://ror.org/00k8zt527","country_code":"IN","type":"education","lineage":["https://openalex.org/I67357951"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Uddipan Nath","raw_affiliation_strings":["School of Electronics Engineering, Kalinga Institute of Industrial Technology, Bhubaneswar, India"],"affiliations":[{"raw_affiliation_string":"School of Electronics Engineering, Kalinga Institute of Industrial Technology, Bhubaneswar, India","institution_ids":["https://openalex.org/I67357951"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101529023","display_name":"Shruti","orcid":null},"institutions":[{"id":"https://openalex.org/I67357951","display_name":"KIIT University","ror":"https://ror.org/00k8zt527","country_code":"IN","type":"education","lineage":["https://openalex.org/I67357951"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Shruti","raw_affiliation_strings":["School of Electrical Engineering, Kalinga Institute of Industrial Technology, Bhubaneswar, India"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Kalinga Institute of Industrial Technology, Bhubaneswar, India","institution_ids":["https://openalex.org/I67357951"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056192769","display_name":"Amitkumar V. Jha","orcid":"https://orcid.org/0000-0002-1056-5617"},"institutions":[{"id":"https://openalex.org/I67357951","display_name":"KIIT University","ror":"https://ror.org/00k8zt527","country_code":"IN","type":"education","lineage":["https://openalex.org/I67357951"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Amitkumar V. Jha","raw_affiliation_strings":["School of Electronics Engineering, Kalinga Institute of Industrial Technology, Bhubaneswar, India"],"affiliations":[{"raw_affiliation_string":"School of Electronics Engineering, Kalinga Institute of Industrial Technology, Bhubaneswar, India","institution_ids":["https://openalex.org/I67357951"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023576317","display_name":"Sasmita Pahadsingh","orcid":"https://orcid.org/0000-0002-2054-0456"},"institutions":[{"id":"https://openalex.org/I67357951","display_name":"KIIT University","ror":"https://ror.org/00k8zt527","country_code":"IN","type":"education","lineage":["https://openalex.org/I67357951"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sasmita Pahadsingh","raw_affiliation_strings":["School of Electronics Engineering, Kalinga Institute of Industrial Technology, Bhubaneswar, India"],"affiliations":[{"raw_affiliation_string":"School of Electronics Engineering, Kalinga Institute of Industrial Technology, Bhubaneswar, India","institution_ids":["https://openalex.org/I67357951"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039114708","display_name":"Bhargav Appasani","orcid":"https://orcid.org/0000-0002-0878-7405"},"institutions":[{"id":"https://openalex.org/I67357951","display_name":"KIIT University","ror":"https://ror.org/00k8zt527","country_code":"IN","type":"education","lineage":["https://openalex.org/I67357951"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"B. Appasani","raw_affiliation_strings":["School of Electronics Engineering, Kalinga Institute of Industrial Technology, Bhubaneswar, India"],"affiliations":[{"raw_affiliation_string":"School of Electronics Engineering, Kalinga Institute of Industrial Technology, Bhubaneswar, India","institution_ids":["https://openalex.org/I67357951"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023539744","display_name":"Nicu Bizon","orcid":"https://orcid.org/0000-0001-9311-7598"},"institutions":[{"id":"https://openalex.org/I185286233","display_name":"University of Pitesti","ror":"https://ror.org/058b16x44","country_code":"RO","type":"education","lineage":["https://openalex.org/I185286233"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Nicu Bizon","raw_affiliation_strings":["Faculty of Electronics, Communication and Computers, University of Pitesti, Pitesti, Romania"],"affiliations":[{"raw_affiliation_string":"Faculty of Electronics, Communication and Computers, University of Pitesti, Pitesti, Romania","institution_ids":["https://openalex.org/I185286233"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5015064015","display_name":"Avireni Srinivasulu","orcid":"https://orcid.org/0000-0001-6254-7990"},"institutions":[{"id":"https://openalex.org/I3131927718","display_name":"JECRC University","ror":"https://ror.org/04hjsag95","country_code":"IN","type":"education","lineage":["https://openalex.org/I3131927718"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Avireni Srinivasulu","raw_affiliation_strings":["Department of Electronics Engineering, JECRC University, Jaipur, India"],"affiliations":[{"raw_affiliation_string":"Department of Electronics Engineering, JECRC University, Jaipur, India","institution_ids":["https://openalex.org/I3131927718"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5074270327"],"corresponding_institution_ids":["https://openalex.org/I67357951"],"apc_list":null,"apc_paid":null,"fwci":0.8452,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":{"value":0.68396589,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10245","display_name":"Metamaterials and Metasurfaces Applications","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10245","display_name":"Metamaterials and Metasurfaces Applications","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10295","display_name":"Plasmonic and Surface Plasmon Research","score":0.9948999881744385,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":0.9912999868392944,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/terahertz-radiation","display_name":"Terahertz radiation","score":0.8170417547225952},{"id":"https://openalex.org/keywords/refractive-index","display_name":"Refractive index","score":0.8131545186042786},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.6870169639587402},{"id":"https://openalex.org/keywords/metamaterial","display_name":"Metamaterial","score":0.6810746192932129},{"id":"https://openalex.org/keywords/figure-of-merit","display_name":"Figure of merit","score":0.650133490562439},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.6114766597747803},{"id":"https://openalex.org/keywords/gallium-arsenide","display_name":"Gallium arsenide","score":0.6018481850624084},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.5340989828109741},{"id":"https://openalex.org/keywords/absorption","display_name":"Absorption (acoustics)","score":0.511978030204773},{"id":"https://openalex.org/keywords/metamaterial-absorber","display_name":"Metamaterial absorber","score":0.511195719242096},{"id":"https://openalex.org/keywords/q-factor","display_name":"Q factor","score":0.4911191165447235},{"id":"https://openalex.org/keywords/substrate","display_name":"Substrate (aquarium)","score":0.4893736243247986},{"id":"https://openalex.org/keywords/attenuation-coefficient","display_name":"Attenuation coefficient","score":0.4110342264175415},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1390869915485382},{"id":"https://openalex.org/keywords/tunable-metamaterials","display_name":"Tunable metamaterials","score":0.12067368626594543}],"concepts":[{"id":"https://openalex.org/C107816215","wikidata":"https://www.wikidata.org/wiki/Q647887","display_name":"Terahertz radiation","level":2,"score":0.8170417547225952},{"id":"https://openalex.org/C42067758","wikidata":"https://www.wikidata.org/wiki/Q174102","display_name":"Refractive index","level":2,"score":0.8131545186042786},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.6870169639587402},{"id":"https://openalex.org/C110367647","wikidata":"https://www.wikidata.org/wiki/Q497166","display_name":"Metamaterial","level":2,"score":0.6810746192932129},{"id":"https://openalex.org/C130277099","wikidata":"https://www.wikidata.org/wiki/Q3676605","display_name":"Figure of merit","level":2,"score":0.650133490562439},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.6114766597747803},{"id":"https://openalex.org/C510052550","wikidata":"https://www.wikidata.org/wiki/Q422819","display_name":"Gallium arsenide","level":2,"score":0.6018481850624084},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5340989828109741},{"id":"https://openalex.org/C125287762","wikidata":"https://www.wikidata.org/wiki/Q1758948","display_name":"Absorption (acoustics)","level":2,"score":0.511978030204773},{"id":"https://openalex.org/C44552347","wikidata":"https://www.wikidata.org/wiki/Q17068972","display_name":"Metamaterial absorber","level":4,"score":0.511195719242096},{"id":"https://openalex.org/C187725362","wikidata":"https://www.wikidata.org/wiki/Q830521","display_name":"Q factor","level":3,"score":0.4911191165447235},{"id":"https://openalex.org/C2777289219","wikidata":"https://www.wikidata.org/wiki/Q7632154","display_name":"Substrate (aquarium)","level":2,"score":0.4893736243247986},{"id":"https://openalex.org/C159774933","wikidata":"https://www.wikidata.org/wiki/Q902086","display_name":"Attenuation coefficient","level":2,"score":0.4110342264175415},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1390869915485382},{"id":"https://openalex.org/C111145636","wikidata":"https://www.wikidata.org/wiki/Q17165750","display_name":"Tunable metamaterials","level":3,"score":0.12067368626594543},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0},{"id":"https://openalex.org/C97126364","wikidata":"https://www.wikidata.org/wiki/Q349669","display_name":"Resonator","level":2,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ecai52376.2021.9515149","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ecai52376.2021.9515149","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 13th International Conference on Electronics, Computers and Artificial Intelligence (ECAI)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W652015463","https://openalex.org/W1499151414","https://openalex.org/W1910689227","https://openalex.org/W2021245650","https://openalex.org/W2058504517","https://openalex.org/W2080391337","https://openalex.org/W2094393199","https://openalex.org/W2129780825","https://openalex.org/W2541537062","https://openalex.org/W2594705023","https://openalex.org/W2741286982","https://openalex.org/W2752172791","https://openalex.org/W2765442916","https://openalex.org/W2766675936","https://openalex.org/W2767725904","https://openalex.org/W2783666484","https://openalex.org/W2889560368","https://openalex.org/W2902160681","https://openalex.org/W2903341640","https://openalex.org/W2904344020","https://openalex.org/W2910970790","https://openalex.org/W2946460018","https://openalex.org/W2967301673","https://openalex.org/W3107598164","https://openalex.org/W3120381316","https://openalex.org/W6629771532","https://openalex.org/W6639662606","https://openalex.org/W6734059637","https://openalex.org/W6745846644"],"related_works":["https://openalex.org/W2494161373","https://openalex.org/W2055545425","https://openalex.org/W2463866346","https://openalex.org/W2740421154","https://openalex.org/W2022229688","https://openalex.org/W2011757437","https://openalex.org/W1503153895","https://openalex.org/W2022789454","https://openalex.org/W4229335874","https://openalex.org/W3014887789"],"abstract_inverted_index":{"A":[0],"terahertz":[1],"metamaterial":[2],"absorber":[3],"is":[4,60,68,107],"designed":[5],"in":[6,14,75],"this":[7,55,92],"paper":[8],"which":[9,39,70],"can":[10,94],"sense":[11],"the":[12,15,19,72,83,87,105,117,124],"changes":[13],"refractive":[16,84,99,128],"index":[17,85,100,129],"of":[18,25,45,54,65,86,104,116],"surrounding":[20,88],"medium.":[21],"The":[22,50,78,102,113],"design":[23,93,118,125],"consists":[24],"a":[26,30,34,41,98],"defected":[27],"patch":[28],"inside":[29],"square":[31],"ring":[32],"on":[33],"Gallium":[35],"Arsenide":[36],"(GaAs)":[37],"substrate,":[38],"provides":[40],"near":[42],"perfect":[43],"absorption":[44,79],"99.8%":[46],"at":[47,57],"1.9":[48,58],"THz.":[49],"quality":[51],"factor":[52],"(Q-factor)":[53],"structure":[56],"THz":[59],"32.167":[61],"and":[62,90,119],"its":[63,120],"Figure":[64],"Merit":[66],"(FoM)":[67],"6.015":[69],"are":[71],"important":[73],"parameters":[74],"sensing":[76],"application.":[77],"frequency":[80],"varies":[81],"with":[82],"medium":[89],"hence":[91],"be":[95,110],"used":[96],"as":[97],"sensor.":[101,130],"sensitivity":[103],"sensor":[106],"found":[108],"to":[109],"187":[111],"GHz/RIU.":[112],"high":[114,121],"Q-factor":[115],"FoM":[122],"makes":[123],"an":[126],"excellent":[127]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":7},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
