{"id":"https://openalex.org/W2966881022","doi":"https://doi.org/10.1109/access.2019.2935780","title":"Tunable Frequency-Selective Rasorber Based on Varactor-Embedded Square-Loop Array","display_name":"Tunable Frequency-Selective Rasorber Based on Varactor-Embedded Square-Loop Array","publication_year":2019,"publication_date":"2019-01-01","ids":{"openalex":"https://openalex.org/W2966881022","doi":"https://doi.org/10.1109/access.2019.2935780","mag":"2966881022"},"language":"en","primary_location":{"id":"doi:10.1109/access.2019.2935780","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2935780","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08804183.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08804183.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5079580673","display_name":"Yihao Wang","orcid":"https://orcid.org/0000-0003-4133-0412"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yihao Wang","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069199167","display_name":"Shi\u2010Shan Qi","orcid":"https://orcid.org/0000-0002-3304-5817"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shi-Shan Qi","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-3304-5817","affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114375878","display_name":"Zhongxiang Shen","orcid":"https://orcid.org/0000-0003-0110-7179"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Zhongxiang Shen","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000735239","display_name":"Wen Wu","orcid":"https://orcid.org/0000-0001-6942-0589"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wen Wu","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":66.5573,"has_fulltext":true,"cited_by_count":62,"citation_normalized_percentile":{"value":0.99783577,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"7","issue":null,"first_page":"115552","last_page":"115559"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":1.0,"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"}},{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9980000257492065,"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"}},{"id":"https://openalex.org/T10245","display_name":"Metamaterials and Metasurfaces Applications","score":0.9911999702453613,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/varicap","display_name":"Varicap","score":0.8011650443077087},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.7092573046684265},{"id":"https://openalex.org/keywords/biasing","display_name":"Biasing","score":0.7039473056793213},{"id":"https://openalex.org/keywords/insertion-loss","display_name":"Insertion loss","score":0.6350257396697998},{"id":"https://openalex.org/keywords/center-frequency","display_name":"Center frequency","score":0.5992728471755981},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.579106867313385},{"id":"https://openalex.org/keywords/equivalent-circuit","display_name":"Equivalent circuit","score":0.5509591698646545},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.5356312394142151},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.46718791127204895},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.4439481198787689},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.42619332671165466},{"id":"https://openalex.org/keywords/capacitance","display_name":"Capacitance","score":0.3536141514778137},{"id":"https://openalex.org/keywords/band-pass-filter","display_name":"Band-pass filter","score":0.34867915511131287},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.27684667706489563},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.24356651306152344},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2105538249015808},{"id":"https://openalex.org/keywords/electrode","display_name":"Electrode","score":0.17731618881225586},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.17052242159843445},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09585970640182495}],"concepts":[{"id":"https://openalex.org/C15485314","wikidata":"https://www.wikidata.org/wiki/Q467463","display_name":"Varicap","level":4,"score":0.8011650443077087},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.7092573046684265},{"id":"https://openalex.org/C20254490","wikidata":"https://www.wikidata.org/wiki/Q719550","display_name":"Biasing","level":3,"score":0.7039473056793213},{"id":"https://openalex.org/C90327742","wikidata":"https://www.wikidata.org/wiki/Q947396","display_name":"Insertion loss","level":2,"score":0.6350257396697998},{"id":"https://openalex.org/C7054721","wikidata":"https://www.wikidata.org/wiki/Q1940572","display_name":"Center frequency","level":3,"score":0.5992728471755981},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.579106867313385},{"id":"https://openalex.org/C23572009","wikidata":"https://www.wikidata.org/wiki/Q964981","display_name":"Equivalent circuit","level":3,"score":0.5509591698646545},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5356312394142151},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.46718791127204895},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.4439481198787689},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.42619332671165466},{"id":"https://openalex.org/C30066665","wikidata":"https://www.wikidata.org/wiki/Q164399","display_name":"Capacitance","level":3,"score":0.3536141514778137},{"id":"https://openalex.org/C147788027","wikidata":"https://www.wikidata.org/wiki/Q2718101","display_name":"Band-pass filter","level":2,"score":0.34867915511131287},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.27684667706489563},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.24356651306152344},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2105538249015808},{"id":"https://openalex.org/C17525397","wikidata":"https://www.wikidata.org/wiki/Q176140","display_name":"Electrode","level":2,"score":0.17731618881225586},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.17052242159843445},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09585970640182495},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2019.2935780","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2935780","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08804183.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:3097c5fdffa4489081b501d021f2e666","is_oa":true,"landing_page_url":"https://doaj.org/article/3097c5fdffa4489081b501d021f2e666","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 7, Pp 115552-115559 (2019)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2019.2935780","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2935780","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08804183.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.6800000071525574}],"awards":[{"id":"https://openalex.org/G1653115116","display_name":"\u8f66\u8f7d\u536b\u661f\u901a\u4fe1\u548c\u5f39\u8f7d\u63a2\u6d4b\u7cfb\u7edf\u7684\u9525\u72b6\u6ce2\u675f\u5929\u7ebf\u65b9\u5411\u56fe\u7efc\u5408\u7684\u7814\u7a76","funder_award_id":"61771242","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2966881022.pdf","grobid_xml":"https://content.openalex.org/works/W2966881022.grobid-xml"},"referenced_works_count":35,"referenced_works":["https://openalex.org/W589820874","https://openalex.org/W1999137133","https://openalex.org/W2000133828","https://openalex.org/W2005907795","https://openalex.org/W2054174438","https://openalex.org/W2094622209","https://openalex.org/W2105650778","https://openalex.org/W2105724656","https://openalex.org/W2115898831","https://openalex.org/W2120808926","https://openalex.org/W2244212281","https://openalex.org/W2313324646","https://openalex.org/W2314880709","https://openalex.org/W2343789919","https://openalex.org/W2507272185","https://openalex.org/W2520152599","https://openalex.org/W2534937874","https://openalex.org/W2729606946","https://openalex.org/W2757996851","https://openalex.org/W2763421756","https://openalex.org/W2764300116","https://openalex.org/W2766038565","https://openalex.org/W2766464094","https://openalex.org/W2793526218","https://openalex.org/W2806012352","https://openalex.org/W2807766070","https://openalex.org/W2905001368","https://openalex.org/W2907919148","https://openalex.org/W2908673606","https://openalex.org/W2908826475","https://openalex.org/W2945023955","https://openalex.org/W3149643497","https://openalex.org/W4248231562","https://openalex.org/W6682305419","https://openalex.org/W6762959802"],"related_works":["https://openalex.org/W3201088786","https://openalex.org/W2438383427","https://openalex.org/W1630724365","https://openalex.org/W2885665133","https://openalex.org/W62741108","https://openalex.org/W2087134326","https://openalex.org/W2134005282","https://openalex.org/W2116836078","https://openalex.org/W2053590553","https://openalex.org/W2619048405"],"abstract_inverted_index":{"This":[0,47],"paper":[1],"presents":[2],"a":[3,18,26,72,99,154],"varactor-based":[4],"tunable":[5,73,85],"frequency-selective":[6],"rasorber":[7],"(FSR)":[8],"with":[9,54],"embedded":[10,33],"bias":[11,39,113],"grid.":[12],"The":[13,90,136],"proposed":[14,94],"structure":[15,69,95],"consists":[16],"of":[17,92,124,139,157],"lossy":[19],"layer":[20,30],"based":[21],"on":[22],"square-loop":[23],"arrays":[24],"and":[25,105,153],"lossless":[27],"layer.":[28],"Each":[29],"has":[31],"an":[32],"wire":[34],"grid":[35],"that":[36,109],"provides":[37],"the":[38,42,55,68,77,84,93,112,120,125,140,143,168],"voltage":[40,114],"for":[41,83,161],"varactors":[43],"through":[44],"metallic":[45],"vias.":[46],"arrangement":[48],"can":[49,70,127],"avoid":[50],"unnecessary":[51],"effects":[52],"associated":[53],"additional":[56],"biasing":[57],"network.":[58],"An":[59],"equivalent":[60],"circuit":[61],"model":[62],"is":[63,96,146,165],"developed":[64],"to":[65,117,132],"explain":[66],"how":[67],"provide":[71],"transmission":[74,122,144],"window":[75,145],"within":[76,142],"absorption":[78],"band.":[79],"Simple":[80],"design":[81],"guidelines":[82],"FSR":[86,126,141],"are":[87],"then":[88],"provided.":[89],"performance":[91],"measured":[97,106],"in":[98],"parallel-plate":[100],"waveguide":[101],"setup.":[102],"Both":[103],"simulated":[104],"results":[107],"show":[108],"by":[110],"changing":[111],"from":[115,130],"16":[116],"4":[118],"V,":[119],"center":[121],"frequency":[123],"be":[128],"tuned":[129],"5.2":[131,151],"3.8":[133],"GHz":[134,152],"continuously.":[135],"insertion":[137],"loss":[138],"only":[147],"0.59":[148],"dB":[149,163],"at":[150],"fractional":[155],"bandwidth":[156],"93.1%":[158],"(2.4-6.58":[159],"GHz)":[160],"-10":[162],"reflectivity":[164],"achieved":[166],"under":[167],"normal":[169],"incidence.":[170]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":10},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":17},{"year":2020,"cited_by_count":11}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}