{"id":"https://openalex.org/W3107183618","doi":"https://doi.org/10.1109/access.2020.3040293","title":"A 3-D Printed Bandpass Filter Using TM\u2082\u2081\u2081-Mode Slotted Spherical Resonators With Enhanced Spurious Suppression","display_name":"A 3-D Printed Bandpass Filter Using TM\u2082\u2081\u2081-Mode Slotted Spherical Resonators With Enhanced Spurious Suppression","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3107183618","doi":"https://doi.org/10.1109/access.2020.3040293","mag":"3107183618"},"language":"en","primary_location":{"id":"doi:10.1109/access.2020.3040293","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3040293","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09268108.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/ielx7/6287639/6514899/09268108.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100403386","display_name":"Fan Zhang","orcid":"https://orcid.org/0000-0001-6500-1598"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]},{"id":"https://openalex.org/I79619799","display_name":"University of Birmingham","ror":"https://ror.org/03angcq70","country_code":"GB","type":"education","lineage":["https://openalex.org/I79619799"]}],"countries":["CN","GB"],"is_corresponding":true,"raw_author_name":"Fan Zhang","raw_affiliation_strings":["Department of Electronic, Electrical, and Systems Engineering, University of Birmingham, Birmingham, U.K","School of Physics, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0001-6500-1598","affiliations":[{"raw_affiliation_string":"Department of Electronic, Electrical, and Systems Engineering, University of Birmingham, Birmingham, U.K","institution_ids":["https://openalex.org/I79619799"]},{"raw_affiliation_string":"School of Physics, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088333782","display_name":"Cheng Guo","orcid":"https://orcid.org/0000-0002-9565-2479"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Cheng Guo","raw_affiliation_strings":["School of Information and Communications Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","School of Information and Communications Engineering, Xi'an Jiaotong University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0002-9565-2479","affiliations":[{"raw_affiliation_string":"School of Information and Communications Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"School of Information and Communications Engineering, Xi'an Jiaotong University, Xi'an, China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030184790","display_name":"Yi Zhang","orcid":"https://orcid.org/0000-0003-4480-779X"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Zhang","raw_affiliation_strings":["School of Physics, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0003-4480-779X","affiliations":[{"raw_affiliation_string":"School of Physics, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076706630","display_name":"Yang Gao","orcid":"https://orcid.org/0000-0002-3282-1618"},"institutions":[{"id":"https://openalex.org/I38877650","display_name":"Zhengzhou University","ror":"https://ror.org/04ypx8c21","country_code":"CN","type":"education","lineage":["https://openalex.org/I38877650"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Gao","raw_affiliation_strings":["Department of Information Engineering, Zhengzhou University, Zhengzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-3282-1618","affiliations":[{"raw_affiliation_string":"Department of Information Engineering, Zhengzhou University, Zhengzhou, China","institution_ids":["https://openalex.org/I38877650"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100621323","display_name":"Bing Liu","orcid":"https://orcid.org/0000-0001-8801-5108"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bing Liu","raw_affiliation_strings":["School of Physics, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0001-8801-5108","affiliations":[{"raw_affiliation_string":"School of Physics, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078820393","display_name":"Minjie Shu","orcid":"https://orcid.org/0000-0002-8755-1483"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Minjie Shu","raw_affiliation_strings":["School of Information and Communications Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","School of Information and Communications Engineering, Xi'an Jiaotong University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0002-8755-1483","affiliations":[{"raw_affiliation_string":"School of Information and Communications Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"School of Information and Communications Engineering, Xi'an Jiaotong University, Xi'an, China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012165518","display_name":"Yi Wang","orcid":"https://orcid.org/0000-0002-8726-402X"},"institutions":[{"id":"https://openalex.org/I79619799","display_name":"University of Birmingham","ror":"https://ror.org/03angcq70","country_code":"GB","type":"education","lineage":["https://openalex.org/I79619799"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Yi Wang","raw_affiliation_strings":["Department of Electronic, Electrical, and Systems Engineering, University of Birmingham, Birmingham, U.K"],"raw_orcid":"https://orcid.org/0000-0002-8726-402X","affiliations":[{"raw_affiliation_string":"Department of Electronic, Electrical, and Systems Engineering, University of Birmingham, Birmingham, U.K","institution_ids":["https://openalex.org/I79619799"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103080217","display_name":"Yuliang Dong","orcid":"https://orcid.org/0000-0002-2935-2152"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yuliang Dong","raw_affiliation_strings":["Chengdu Aeronautic Polytechnic, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-2935-2152","affiliations":[{"raw_affiliation_string":"Chengdu Aeronautic Polytechnic, Chengdu, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082371230","display_name":"M.J. Lancaster","orcid":"https://orcid.org/0000-0002-0817-8052"},"institutions":[{"id":"https://openalex.org/I79619799","display_name":"University of Birmingham","ror":"https://ror.org/03angcq70","country_code":"GB","type":"education","lineage":["https://openalex.org/I79619799"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Michael J. Lancaster","raw_affiliation_strings":["Department of Electronic, Electrical, and Systems Engineering, University of Birmingham, Birmingham, U.K"],"raw_orcid":"https://orcid.org/0000-0002-0817-8052","affiliations":[{"raw_affiliation_string":"Department of Electronic, Electrical, and Systems Engineering, University of Birmingham, Birmingham, U.K","institution_ids":["https://openalex.org/I79619799"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000500030","display_name":"Jun Xu","orcid":"https://orcid.org/0000-0003-3074-6455"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jun Xu","raw_affiliation_strings":["School of Physics, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0003-3074-6455","affiliations":[{"raw_affiliation_string":"School of Physics, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":10,"corresponding_author_ids":["https://openalex.org/A5100403386"],"corresponding_institution_ids":["https://openalex.org/I150229711","https://openalex.org/I79619799"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":2.7044,"has_fulltext":true,"cited_by_count":34,"citation_normalized_percentile":{"value":0.90841748,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"8","issue":null,"first_page":"213215","last_page":"213223"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10262","display_name":"Microwave Engineering and Waveguides","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10262","display_name":"Microwave Engineering and Waveguides","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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":0.9983999729156494,"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":0.9943000078201294,"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/insertion-loss","display_name":"Insertion loss","score":0.8164553642272949},{"id":"https://openalex.org/keywords/stopband","display_name":"Stopband","score":0.7797926664352417},{"id":"https://openalex.org/keywords/band-pass-filter","display_name":"Band-pass filter","score":0.7308871746063232},{"id":"https://openalex.org/keywords/resonator","display_name":"Resonator","score":0.7022938132286072},{"id":"https://openalex.org/keywords/passband","display_name":"Passband","score":0.690876305103302},{"id":"https://openalex.org/keywords/spurious-relationship","display_name":"Spurious relationship","score":0.5485731363296509},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.5002350807189941},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.45794743299484253},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.43386855721473694},{"id":"https://openalex.org/keywords/waveguide-filter","display_name":"Waveguide filter","score":0.42020177841186523},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.4180411100387573},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.3913271129131317},{"id":"https://openalex.org/keywords/prototype-filter","display_name":"Prototype filter","score":0.38729557394981384},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.3844810128211975},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3429601788520813},{"id":"https://openalex.org/keywords/filter-design","display_name":"Filter design","score":0.31904536485671997},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.26333701610565186},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1459718644618988},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.14315295219421387}],"concepts":[{"id":"https://openalex.org/C90327742","wikidata":"https://www.wikidata.org/wiki/Q947396","display_name":"Insertion loss","level":2,"score":0.8164553642272949},{"id":"https://openalex.org/C46271340","wikidata":"https://www.wikidata.org/wiki/Q1971063","display_name":"Stopband","level":3,"score":0.7797926664352417},{"id":"https://openalex.org/C147788027","wikidata":"https://www.wikidata.org/wiki/Q2718101","display_name":"Band-pass filter","level":2,"score":0.7308871746063232},{"id":"https://openalex.org/C97126364","wikidata":"https://www.wikidata.org/wiki/Q349669","display_name":"Resonator","level":2,"score":0.7022938132286072},{"id":"https://openalex.org/C46416853","wikidata":"https://www.wikidata.org/wiki/Q254758","display_name":"Passband","level":3,"score":0.690876305103302},{"id":"https://openalex.org/C97256817","wikidata":"https://www.wikidata.org/wiki/Q1462316","display_name":"Spurious relationship","level":2,"score":0.5485731363296509},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5002350807189941},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.45794743299484253},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.43386855721473694},{"id":"https://openalex.org/C150935588","wikidata":"https://www.wikidata.org/wiki/Q7975356","display_name":"Waveguide filter","level":5,"score":0.42020177841186523},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4180411100387573},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3913271129131317},{"id":"https://openalex.org/C175742284","wikidata":"https://www.wikidata.org/wiki/Q1415537","display_name":"Prototype filter","level":4,"score":0.38729557394981384},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.3844810128211975},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3429601788520813},{"id":"https://openalex.org/C22597639","wikidata":"https://www.wikidata.org/wiki/Q5449227","display_name":"Filter design","level":3,"score":0.31904536485671997},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.26333701610565186},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1459718644618988},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.14315295219421387},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/access.2020.3040293","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3040293","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09268108.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:a5d18addd6ff4fc391c2fbdfe4fca84d","is_oa":true,"landing_page_url":"https://doaj.org/article/a5d18addd6ff4fc391c2fbdfe4fca84d","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 8, Pp 213215-213223 (2020)","raw_type":"article"},{"id":"pmh:oai:pure.atira.dk:openaire_cris_publications/a4cb0c67-c117-4665-b902-5056642e1c73","is_oa":true,"landing_page_url":"https://research.birmingham.ac.uk/en/publications/a4cb0c67-c117-4665-b902-5056642e1c73","pdf_url":null,"source":{"id":"https://openalex.org/S4306402634","display_name":"University of Birmingham Research Portal (University of Birmingham)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79619799","host_organization_name":"University of Birmingham","host_organization_lineage":["https://openalex.org/I79619799"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Zhang, F, Guo, C, Zhang, Y, Gao, Y, Liu, B, Shu, M, Wang, Y, Dong, Y, Lancaster, M J & Xu, J 2020, 'A 3-D printed bandpass filter using tm-mode slotted spherical resonators with enhanced spurious suppression', IEEE Access, vol. 8, pp. 213215-213223. https://doi.org/10.1109/ACCESS.2020.3040293","raw_type":"article"},{"id":"pmh:oai:pure.atira.dk:publications/a4cb0c67-c117-4665-b902-5056642e1c73","is_oa":true,"landing_page_url":"http://www.scopus.com/inward/record.url?scp=85097192968&partnerID=8YFLogxK","pdf_url":null,"source":{"id":"https://openalex.org/S4306402634","display_name":"University of Birmingham Research Portal (University of Birmingham)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79619799","host_organization_name":"University of Birmingham","host_organization_lineage":["https://openalex.org/I79619799"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Zhang , F , Guo , C , Zhang , Y , Gao , Y , Liu , B , Shu , M , Wang , Y , Dong , Y , Lancaster , M J & Xu , J 2020 , ' A 3-D printed bandpass filter using tm-mode slotted spherical resonators with enhanced spurious suppression ' , IEEE Access , vol. 8 , pp. 213215-213223 . https://doi.org/10.1109/ACCESS.2020.3040293","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2020.3040293","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3040293","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09268108.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","score":0.46000000834465027,"id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G3366073292","display_name":null,"funder_award_id":"62001367","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4966817081","display_name":"Towards a 3D printed terahertz circuit technology.","funder_award_id":"EP/S013113/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G8410543401","display_name":null,"funder_award_id":"EP/S013113/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322725","display_name":"China Scholarship Council","ror":"https://ror.org/04atp4p48"},{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3107183618.pdf","grobid_xml":"https://content.openalex.org/works/W3107183618.grobid-xml"},"referenced_works_count":24,"referenced_works":["https://openalex.org/W1529163756","https://openalex.org/W1552710538","https://openalex.org/W1663553416","https://openalex.org/W1771912175","https://openalex.org/W2036895350","https://openalex.org/W2136167337","https://openalex.org/W2160156699","https://openalex.org/W2182087764","https://openalex.org/W2340836315","https://openalex.org/W2491784934","https://openalex.org/W2521319534","https://openalex.org/W2553343222","https://openalex.org/W2586754787","https://openalex.org/W2758617546","https://openalex.org/W2763600046","https://openalex.org/W2791074879","https://openalex.org/W2793338677","https://openalex.org/W2796769627","https://openalex.org/W2823225253","https://openalex.org/W2895516284","https://openalex.org/W2910342280","https://openalex.org/W2971447971","https://openalex.org/W3007924961","https://openalex.org/W4299689903"],"related_works":["https://openalex.org/W2090908593","https://openalex.org/W2069531742","https://openalex.org/W2763894980","https://openalex.org/W2171203456","https://openalex.org/W4313521831","https://openalex.org/W2053296571","https://openalex.org/W3113457650","https://openalex.org/W2253449715","https://openalex.org/W3127687975","https://openalex.org/W2498056136"],"abstract_inverted_index":{"This":[0],"article":[1],"presents":[2],"a":[3,14,40,58,159,167,183,204,224],"Ka-band":[4],"fourth-order":[5,160],"slotted":[6,161],"spherical":[7,34,154,162],"resonator":[8,35,155,163],"waveguide":[9,164],"bandpass":[10],"filter":[11,60,107,149,216],"(BPF)":[12],"with":[13,166,223],"wide":[15],"spurious":[16,86,119,134],"suppression":[17,115],"stopband.":[18],"It":[19],"uses":[20],"the":[21,28,33,80,96,101,106,114,118,129,133,143,147,151,215],"first":[22],"higher-order":[23],"TM211":[24,102],"mode":[25,31],"rather":[26],"than":[27,209,228],"fundamental":[29,81],"TM101":[30,82],"of":[32,100,117,132,146,170,175,200,214],"in":[36,69,127],"order":[37],"to":[38,66,111,141,220],"obtain":[39],"higher":[41,85],"unload":[42],"quality":[43,98],"factor":[44,99],"(Q":[45],"<sub":[46],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[47],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">u</sub>":[48],")":[49],"for":[50],"smaller":[51],"in-band":[52,197],"insertion":[53,198],"loss,":[54],"as":[55,57],"well":[56],"larger":[59],"volume":[61],"that":[62,76],"gives":[63],"better":[64,144,208],"tolerance":[65,145],"fabrication":[67],"errors":[68],"high":[70],"frequency":[71,169],"applications.":[72],"By":[73],"introducing":[74],"slots":[75],"interrupt":[77],"surface":[78],"currents,":[79],"and":[83,89,173,180,203],"two":[84],"modes":[87],"(TE101":[88],"TM311)":[90],"can":[91],"be":[92],"suppressed":[93],"without":[94],"compromising":[95],"unloaded":[97],"mode.":[103,136],"In":[104],"addition,":[105],"topology":[108,122],"is":[109,139,178,217],"optimized":[110],"further":[112],"enhance":[113],"level":[116,226],"passbands.":[120],"AZ-shaped":[121],"has":[123],"been":[124],"found":[125],"effective":[126],"decreasing":[128],"coupling":[130],"strength":[131],"TM311":[135],"An":[137],"analysis":[138],"performed":[140],"demonstrate":[142],"Z-shaped":[148],"over":[150],"conventional":[152],"TM101-mode":[153],"filter.":[156],"For":[157],"verification,":[158],"BPF":[165],"center":[168],"31":[171],"GHz":[172,222],"bandwidth":[174],"880":[176],"MHz":[177],"designed":[179],"manufactured":[181],"using":[182],"selective":[184],"laser":[185],"melting":[186],"(SLM)":[187],"3-D":[188],"printing":[189],"process.":[190],"The":[191,212],"measured":[192],"results":[193],"show":[194],"an":[195],"average":[196],"loss":[199,207],"1.53":[201],"dB,":[202],"passband":[205],"return":[206],"13.6":[210],"dB.":[211,230],"stopband":[213],"extended":[218],"up":[219],"40.9":[221],"rejection":[225],"greater":[227],"20":[229]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":13},{"year":2021,"cited_by_count":4}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}