{"id":"https://openalex.org/W4392309356","doi":"https://doi.org/10.1109/access.2024.3371701","title":"High-Directivity and Low-Loss Directional Couplers Based on Empty Substrate Integrated Coaxial Line Technology","display_name":"High-Directivity and Low-Loss Directional Couplers Based on Empty Substrate Integrated Coaxial Line Technology","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4392309356","doi":"https://doi.org/10.1109/access.2024.3371701"},"language":"en","primary_location":{"id":"doi:10.1109/access.2024.3371701","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2024.3371701","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/10453515.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/ielx7/6287639/6514899/10453515.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5090896073","display_name":"David Herraiz","orcid":"https://orcid.org/0000-0002-3793-6078"},"institutions":[{"id":"https://openalex.org/I79189158","display_name":"University of Castilla-La Mancha","ror":"https://ror.org/05r78ng12","country_code":"ES","type":"education","lineage":["https://openalex.org/I79189158"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"David Herraiz","raw_affiliation_strings":["Departamento de Ingeniería Eléctrica, Electrónica, Automática y Comunicaciones, Escuela Politécnica de Cuenca, Universidad de Castilla-La Mancha, Cuenca, Spain","Instituto de Telecomunicaciones y Aplicaciones Multimedia, Universitat Politècnica de València,, Valencia, Spain"],"raw_orcid":"https://orcid.org/0000-0002-3793-6078","affiliations":[{"raw_affiliation_string":"Departamento de Ingeniería Eléctrica, Electrónica, Automática y Comunicaciones, Escuela Politécnica de Cuenca, Universidad de Castilla-La Mancha, Cuenca, Spain","institution_ids":["https://openalex.org/I79189158"]},{"raw_affiliation_string":"Instituto de Telecomunicaciones y Aplicaciones Multimedia, Universitat Politècnica de València,, Valencia, Spain","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052648616","display_name":"H. Esteban","orcid":"https://orcid.org/0000-0002-5936-658X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"H\u00e9ctor Esteban","raw_affiliation_strings":["Instituto de Telecomunicaciones y Aplicaciones Multimedia, Universitat Politècnica de València,, Valencia, Spain"],"raw_orcid":"https://orcid.org/0000-0002-5936-658X","affiliations":[{"raw_affiliation_string":"Instituto de Telecomunicaciones y Aplicaciones Multimedia, Universitat Politècnica de València,, Valencia, Spain","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017439304","display_name":"Dar\u00edo Herraiz","orcid":"https://orcid.org/0000-0002-2235-7671"},"institutions":[{"id":"https://openalex.org/I79189158","display_name":"University of Castilla-La Mancha","ror":"https://ror.org/05r78ng12","country_code":"ES","type":"education","lineage":["https://openalex.org/I79189158"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Dar\u00edo Herraiz","raw_affiliation_strings":["Departamento de Ingeniería Eléctrica, Electrónica, Automática y Comunicaciones, Escuela Politécnica de Cuenca, Universidad de Castilla-La Mancha, Cuenca, Spain","Instituto de Telecomunicaciones y Aplicaciones Multimedia, Universitat Politècnica de València,, Valencia, Spain"],"raw_orcid":"https://orcid.org/0000-0002-2235-7671","affiliations":[{"raw_affiliation_string":"Departamento de Ingeniería Eléctrica, Electrónica, Automática y Comunicaciones, Escuela Politécnica de Cuenca, Universidad de Castilla-La Mancha, Cuenca, Spain","institution_ids":["https://openalex.org/I79189158"]},{"raw_affiliation_string":"Instituto de Telecomunicaciones y Aplicaciones Multimedia, Universitat Politècnica de València,, Valencia, Spain","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037143483","display_name":"Juan J. de Dios","orcid":"https://orcid.org/0000-0001-9631-8053"},"institutions":[{"id":"https://openalex.org/I79189158","display_name":"University of Castilla-La Mancha","ror":"https://ror.org/05r78ng12","country_code":"ES","type":"education","lineage":["https://openalex.org/I79189158"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Juan J. De Dios","raw_affiliation_strings":["Departamento de Ingeniería Eléctrica, Electrónica, Automática y Comunicaciones, Escuela Politécnica de Cuenca, Universidad de Castilla-La Mancha, Cuenca, Spain"],"raw_orcid":"https://orcid.org/0000-0001-9631-8053","affiliations":[{"raw_affiliation_string":"Departamento de Ingeniería Eléctrica, Electrónica, Automática y Comunicaciones, Escuela Politécnica de Cuenca, Universidad de Castilla-La Mancha, Cuenca, Spain","institution_ids":["https://openalex.org/I79189158"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086628943","display_name":"Marcos D. Fern\u00e1ndez","orcid":"https://orcid.org/0000-0002-9841-4425"},"institutions":[{"id":"https://openalex.org/I79189158","display_name":"University of Castilla-La Mancha","ror":"https://ror.org/05r78ng12","country_code":"ES","type":"education","lineage":["https://openalex.org/I79189158"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Marcos D. Fernandez","raw_affiliation_strings":["Departamento de Ingeniería Eléctrica, Electrónica, Automática y Comunicaciones, Escuela Politécnica de Cuenca, Universidad de Castilla-La Mancha, Cuenca, Spain"],"raw_orcid":"https://orcid.org/0000-0002-9841-4425","affiliations":[{"raw_affiliation_string":"Departamento de Ingeniería Eléctrica, Electrónica, Automática y Comunicaciones, Escuela Politécnica de Cuenca, Universidad de Castilla-La Mancha, Cuenca, Spain","institution_ids":["https://openalex.org/I79189158"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059392612","display_name":"\u00c1ngel Belenguer","orcid":"https://orcid.org/0000-0002-7004-4370"},"institutions":[{"id":"https://openalex.org/I79189158","display_name":"University of Castilla-La Mancha","ror":"https://ror.org/05r78ng12","country_code":"ES","type":"education","lineage":["https://openalex.org/I79189158"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Angel Belenguer","raw_affiliation_strings":["Departamento de Ingeniería Eléctrica, Electrónica, Automática y Comunicaciones, Escuela Politécnica de Cuenca, Universidad de Castilla-La Mancha, Cuenca, Spain"],"raw_orcid":"https://orcid.org/0000-0002-7004-4370","affiliations":[{"raw_affiliation_string":"Departamento de Ingeniería Eléctrica, Electrónica, Automática y Comunicaciones, Escuela Politécnica de Cuenca, Universidad de Castilla-La Mancha, Cuenca, Spain","institution_ids":["https://openalex.org/I79189158"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014003517","display_name":"Vicente E. Boria","orcid":"https://orcid.org/0000-0001-7150-9785"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Vicente E. Boria","raw_affiliation_strings":["Instituto de Telecomunicaciones y Aplicaciones Multimedia, Universitat Politècnica de València,, Valencia, Spain"],"raw_orcid":"https://orcid.org/0000-0001-7150-9785","affiliations":[{"raw_affiliation_string":"Instituto de Telecomunicaciones y Aplicaciones Multimedia, Universitat Politècnica de València,, Valencia, Spain","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"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":0.5192,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.61941829,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"12","issue":null,"first_page":"35630","last_page":"35642"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9921000003814697,"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/T11444","display_name":"Electromagnetic Compatibility and Noise Suppression","score":0.9908000230789185,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/directivity","display_name":"Directivity","score":0.8776355981826782},{"id":"https://openalex.org/keywords/microstrip","display_name":"Microstrip","score":0.753699004650116},{"id":"https://openalex.org/keywords/return-loss","display_name":"Return loss","score":0.6983860731124878},{"id":"https://openalex.org/keywords/tapering","display_name":"Tapering","score":0.6905747652053833},{"id":"https://openalex.org/keywords/power-dividers-and-directional-couplers","display_name":"Power dividers and directional couplers","score":0.6686801910400391},{"id":"https://openalex.org/keywords/planar","display_name":"Planar","score":0.5661258101463318},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.5503708720207214},{"id":"https://openalex.org/keywords/hybrid-coupler","display_name":"Hybrid coupler","score":0.4779011011123657},{"id":"https://openalex.org/keywords/coupling","display_name":"Coupling (piping)","score":0.4495856761932373},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.44730493426322937},{"id":"https://openalex.org/keywords/integrated-circuit","display_name":"Integrated circuit","score":0.41282880306243896},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.4081392288208008},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.39548230171203613},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3462081551551819},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.2929355502128601},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.26656830310821533},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.22840145230293274},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20948216319084167},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.15124714374542236}],"concepts":[{"id":"https://openalex.org/C189039984","wikidata":"https://www.wikidata.org/wiki/Q8225412","display_name":"Directivity","level":3,"score":0.8776355981826782},{"id":"https://openalex.org/C123657345","wikidata":"https://www.wikidata.org/wiki/Q639055","display_name":"Microstrip","level":2,"score":0.753699004650116},{"id":"https://openalex.org/C196901423","wikidata":"https://www.wikidata.org/wiki/Q3933836","display_name":"Return loss","level":3,"score":0.6983860731124878},{"id":"https://openalex.org/C114138010","wikidata":"https://www.wikidata.org/wiki/Q7684542","display_name":"Tapering","level":2,"score":0.6905747652053833},{"id":"https://openalex.org/C202988678","wikidata":"https://www.wikidata.org/wiki/Q1417986","display_name":"Power dividers and directional couplers","level":2,"score":0.6686801910400391},{"id":"https://openalex.org/C134786449","wikidata":"https://www.wikidata.org/wiki/Q3391255","display_name":"Planar","level":2,"score":0.5661258101463318},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5503708720207214},{"id":"https://openalex.org/C80185135","wikidata":"https://www.wikidata.org/wiki/Q1417986","display_name":"Hybrid coupler","level":3,"score":0.4779011011123657},{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.4495856761932373},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.44730493426322937},{"id":"https://openalex.org/C530198007","wikidata":"https://www.wikidata.org/wiki/Q80831","display_name":"Integrated circuit","level":2,"score":0.41282880306243896},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.4081392288208008},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.39548230171203613},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3462081551551819},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.2929355502128601},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.26656830310821533},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.22840145230293274},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20948216319084167},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.15124714374542236},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.0},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/access.2024.3371701","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2024.3371701","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/10453515.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:riunet.upv.es:10251/209086","is_oa":true,"landing_page_url":"http://hdl.handle.net/10251/209086","pdf_url":"https://riunet.upv.es/bitstream/10251/209086/1/HerraizEstebanHerraiz%20-%20High-Directivity%20and%20low-loss%20directional%20couplers%20based%20on%20Empty%20Substra....pdf","source":{"id":"https://openalex.org/S4306400639","display_name":"RiuNet (Universitat Polit\u00e8cnica de Val\u00e8ncia)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I60053951","host_organization_name":"Universitat Polit\u00e8cnica de Val\u00e8ncia","host_organization_lineage":["https://openalex.org/I60053951"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:doaj.org/article:9a9f2c5425914e8982f40d37c0056fc7","is_oa":true,"landing_page_url":"https://doaj.org/article/9a9f2c5425914e8982f40d37c0056fc7","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 12, Pp 35630-35642 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2024.3371701","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2024.3371701","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/10453515.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":[{"score":0.5799999833106995,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G1643949827","display_name":null,"funder_award_id":"AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G2262748287","display_name":null,"funder_award_id":"501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G2601397997","display_name":null,"funder_award_id":"10.13039/501100011033","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G300979063","display_name":null,"funder_award_id":"10.13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G3219925899","display_name":null,"funder_award_id":"MCIN/AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G3480869486","display_name":null,"funder_award_id":"13039","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G3681454997","display_name":null,"funder_award_id":"13039/501100011033","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G4042783231","display_name":null,"funder_award_id":"501100011033","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G5080475149","display_name":null,"funder_award_id":"10.13039","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G5538831662","display_name":null,"funder_award_id":"PID2022-136590OB-C44","funder_id":"https://openalex.org/F4320322930","funder_display_name":"Ministerio de Ciencia e Innovaci\u00f3n"},{"id":"https://openalex.org/G6823456974","display_name":null,"funder_award_id":"AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G7050185794","display_name":null,"funder_award_id":"PID2022-136590OB-C41","funder_id":"https://openalex.org/F4320322930","funder_display_name":"Ministerio de Ciencia e Innovaci\u00f3n"},{"id":"https://openalex.org/G7084143925","display_name":null,"funder_award_id":"AEI/10","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G7266728691","display_name":null,"funder_award_id":"13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G7535663061","display_name":null,"funder_award_id":"AEI/10.","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G8695128545","display_name":null,"funder_award_id":"MCIN/AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320322930","display_name":"Ministerio de Ciencia e Innovaci\u00f3n","ror":"https://ror.org/034900433"},{"id":"https://openalex.org/F4320335598","display_name":"Agencia Estatal de Investigaci\u00f3n","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4392309356.pdf","grobid_xml":"https://content.openalex.org/works/W4392309356.grobid-xml"},"referenced_works_count":36,"referenced_works":["https://openalex.org/W627073020","https://openalex.org/W628379767","https://openalex.org/W2045989979","https://openalex.org/W2112110872","https://openalex.org/W2121156347","https://openalex.org/W2125514294","https://openalex.org/W2126419017","https://openalex.org/W2135103374","https://openalex.org/W2135998081","https://openalex.org/W2157358937","https://openalex.org/W2161187681","https://openalex.org/W2162862573","https://openalex.org/W2162870748","https://openalex.org/W2164957062","https://openalex.org/W2169363034","https://openalex.org/W2172054117","https://openalex.org/W2186448141","https://openalex.org/W2189315328","https://openalex.org/W2249975578","https://openalex.org/W2563585046","https://openalex.org/W2759843619","https://openalex.org/W2793801651","https://openalex.org/W2801492266","https://openalex.org/W2898109181","https://openalex.org/W2921341453","https://openalex.org/W2941271422","https://openalex.org/W2966132701","https://openalex.org/W3001799350","https://openalex.org/W3010682479","https://openalex.org/W4242994732","https://openalex.org/W4248288458","https://openalex.org/W4282043797","https://openalex.org/W4285158565","https://openalex.org/W4292969909","https://openalex.org/W4297094902","https://openalex.org/W4324116588"],"related_works":["https://openalex.org/W2124489485","https://openalex.org/W2348859175","https://openalex.org/W2782921257","https://openalex.org/W2416856718","https://openalex.org/W1964706706","https://openalex.org/W4205308917","https://openalex.org/W2268722445","https://openalex.org/W1518159206","https://openalex.org/W2031949102","https://openalex.org/W2051855946"],"abstract_inverted_index":{"High-directivity":[0],"and":[1,43,49,59,76,104,125,134,140,157],"low-loss":[2],"directional":[3,111,147],"couplers,":[4,24,112],"based":[5,26,36],"on":[6,27,37],"Empty":[7],"Substrate":[8],"Integrated":[9],"Coaxial":[10],"Line":[11],"(ESICL)":[12],"technology,":[13],"are":[14,25],"presented":[15],"in":[16,92,153],"this":[17],"article.":[18],"The":[19,52,83,138],"proposed":[20],"coupled":[21,47],"line":[22],"direcional":[23],"combination":[28,58],"of":[29,62,85,94,155],"a":[30,33,68,78,128],"high-isolation":[31,44],"section,":[32],"tapering":[34],"transition":[35],"splines":[38],"between":[39],"the":[40,57,86,114,160],"access":[41],"lines":[42],"sections,":[45],"reduced-width":[46],"lines,":[48],"inclined":[50],"arms.":[51],"design":[53],"evolution":[54],"has":[55,131],"justified":[56],"precise":[60],"adjustment":[61],"these":[63],"elements,":[64],"proving":[65],"to":[66],"be":[67],"solution":[69],"for":[70,136,162],"enhancing":[71],"directivity,":[72,158],"reducing":[73],"return":[74],"losses,":[75],"attaining":[77],"more":[79],"stable":[80],"coupling":[81,116],"coefficient.":[82],"use":[84],"ESICL":[87,146],"technology":[88],"exhibits":[89],"significant":[90],"promise":[91],"terms":[93,154],"electrical":[95],"performance,":[96],"bandwidth,":[97],"seamless":[98],"integration":[99],"with":[100,113],"other":[101],"planar":[102],"circuits,":[103],"manufacturing":[105],"simplicity.":[106],"For":[107],"comparison":[108],"purposes,":[109],"two":[110],"same":[115],"coefficient":[117],"but":[118],"different":[119],"operation":[120],"frequencies,":[121],"have":[122],"been":[123,132],"designed":[124,133],"manufactured.":[126],"Additionally,":[127],"microstrip":[129,151],"coupler":[130],"manufactured":[135],"comparison.":[137],"simulated":[139],"measured":[141],"results":[142],"clearly":[143],"indicate":[144],"that":[145],"couplers":[148],"outperform":[149],"their":[150],"counterparts":[152],"losses":[156],"without":[159],"need":[161],"additional":[163],"lumped":[164],"elements":[165],"or":[166],"complex":[167],"geometries.":[168]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}