{"id":"https://openalex.org/W2016415995","doi":"https://doi.org/10.1049/piee.1968.0252","title":"Fields in the image space of symmetrical focusing reflectors","display_name":"Fields in the image space of symmetrical focusing reflectors","publication_year":1968,"publication_date":"1968-01-01","ids":{"openalex":"https://openalex.org/W2016415995","doi":"https://doi.org/10.1049/piee.1968.0252","mag":"2016415995"},"language":"en","primary_location":{"id":"doi:10.1049/piee.1968.0252","doi":"https://doi.org/10.1049/piee.1968.0252","is_oa":false,"landing_page_url":"https://doi.org/10.1049/piee.1968.0252","pdf_url":null,"source":{"id":"https://openalex.org/S4210235475","display_name":"Proceedings of the Institution of Electrical Engineers","issn_l":"0020-3270","issn":["0020-3270","2053-7891"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4320800662","host_organization_name":"Institution of Electrical Engineers","host_organization_lineage":["https://openalex.org/P4320800662"],"host_organization_lineage_names":["Institution of Electrical Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Institution of Electrical Engineers","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5011879078","display_name":"HC Minnett","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1292875679","display_name":"Commonwealth Scientific and Industrial Research Organisation","ror":"https://ror.org/03qn8fb07","country_code":"AU","type":"government","lineage":["https://openalex.org/I1292875679","https://openalex.org/I2801453606","https://openalex.org/I4387156119"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"H.C. Minnett","raw_affiliation_strings":["Division of Radio Physics, Commonwealth Scientific and Industrial Research Organisation (CSIRO), Sydney, Australia","Commonwealth Scientific and Industrial Research Organisation (CSIRO), Division of Radio Physics, Sydney, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Radio Physics, Commonwealth Scientific and Industrial Research Organisation (CSIRO), Sydney, Australia","institution_ids":["https://openalex.org/I1292875679"]},{"raw_affiliation_string":"Commonwealth Scientific and Industrial Research Organisation (CSIRO), Division of Radio Physics, Sydney, Australia","institution_ids":["https://openalex.org/I1292875679"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5086977833","display_name":"B. Thomas","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1292875679","display_name":"Commonwealth Scientific and Industrial Research Organisation","ror":"https://ror.org/03qn8fb07","country_code":"AU","type":"government","lineage":["https://openalex.org/I1292875679","https://openalex.org/I2801453606","https://openalex.org/I4387156119"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"B.MacA. Thomas","raw_affiliation_strings":["Division of Radio Physics, Commonwealth Scientific and Industrial Research Organisation (CSIRO), Sydney, Australia","Commonwealth Scientific and Industrial Research Organisation (CSIRO), Division of Radio Physics, Sydney, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Radio Physics, Commonwealth Scientific and Industrial Research Organisation (CSIRO), Sydney, Australia","institution_ids":["https://openalex.org/I1292875679"]},{"raw_affiliation_string":"Commonwealth Scientific and Industrial Research Organisation (CSIRO), Division of Radio Physics, Sydney, Australia","institution_ids":["https://openalex.org/I1292875679"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I1292875679"],"apc_list":null,"apc_paid":null,"fwci":11.0824,"has_fulltext":false,"cited_by_count":89,"citation_normalized_percentile":{"value":0.98680835,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"115","issue":"10","first_page":"1419","last_page":"1419"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.6362000107765198,"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/T10069","display_name":"Antenna Design and Analysis","score":0.6362000107765198,"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/T10739","display_name":"Electromagnetic Scattering and Analysis","score":0.21299999952316284,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":0.06639999896287918,"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/image-space","display_name":"image space","score":0.746999979019165},{"id":"https://openalex.org/keywords/axial-waves","display_name":"axial waves","score":0.5260000228881836},{"id":"https://openalex.org/keywords/hybrid-waves","display_name":"hybrid waves","score":0.6510000228881836},{"id":"https://openalex.org/keywords/parabolic-reflector","display_name":"parabolic reflector","score":0.7839999794960022},{"id":"https://openalex.org/keywords/spherical-reflector","display_name":"spherical reflector","score":0.9369999766349792},{"id":"https://openalex.org/keywords/induced-surface-currents","display_name":"induced surface currents","score":0.6740000247955322},{"id":"https://openalex.org/keywords/te-and-tm-modes","display_name":"TE and TM modes","score":0.7440000176429749},{"id":"https://openalex.org/keywords/airy-pattern","display_name":"Airy pattern","score":0.7590000033378601},{"id":"https://openalex.org/keywords/corrugated-waveguide","display_name":"corrugated waveguide","score":0.7440000176429749},{"id":"https://openalex.org/keywords/microwave-reflector","display_name":"microwave reflector","score":0.5019999742507935}],"concepts":[{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.7797343730926514},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6981180310249329},{"id":"https://openalex.org/C165699331","wikidata":"https://www.wikidata.org/wiki/Q461533","display_name":"Wavefront","level":2,"score":0.621746838092804},{"id":"https://openalex.org/C78336883","wikidata":"https://www.wikidata.org/wiki/Q4779385","display_name":"Aperture (computer memory)","level":2,"score":0.5945542454719543},{"id":"https://openalex.org/C40308292","wikidata":"https://www.wikidata.org/wiki/Q122518","display_name":"Plane wave","level":2,"score":0.4838610887527466},{"id":"https://openalex.org/C116903202","wikidata":"https://www.wikidata.org/wiki/Q1087850","display_name":"Parabolic reflector","level":2,"score":0.4779807925224304},{"id":"https://openalex.org/C138395690","wikidata":"https://www.wikidata.org/wiki/Q376733","display_name":"Cardinal point","level":2,"score":0.47117143869400024},{"id":"https://openalex.org/C17825722","wikidata":"https://www.wikidata.org/wiki/Q17285","display_name":"Plane (geometry)","level":2,"score":0.425987184047699},{"id":"https://openalex.org/C207114421","wikidata":"https://www.wikidata.org/wiki/Q133900","display_name":"Diffraction","level":2,"score":0.424807608127594},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.3160649240016937},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.1650782823562622},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12803298234939575}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1049/piee.1968.0252","doi":"https://doi.org/10.1049/piee.1968.0252","is_oa":false,"landing_page_url":"https://doi.org/10.1049/piee.1968.0252","pdf_url":null,"source":{"id":"https://openalex.org/S4210235475","display_name":"Proceedings of the Institution of Electrical Engineers","issn_l":"0020-3270","issn":["0020-3270","2053-7891"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4320800662","host_organization_name":"Institution of Electrical Engineers","host_organization_lineage":["https://openalex.org/P4320800662"],"host_organization_lineage_names":["Institution of Electrical Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Institution of Electrical Engineers","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1564872880","https://openalex.org/W1666853924","https://openalex.org/W2008690515","https://openalex.org/W2039782600","https://openalex.org/W2042156232","https://openalex.org/W2056045248","https://openalex.org/W2059464641","https://openalex.org/W2075521564","https://openalex.org/W2105672294","https://openalex.org/W2114169444","https://openalex.org/W2135901208","https://openalex.org/W2155595952","https://openalex.org/W6605742789","https://openalex.org/W6638732230"],"related_works":["https://openalex.org/W1513426112","https://openalex.org/W2135901208","https://openalex.org/W2048351394","https://openalex.org/W2018022629","https://openalex.org/W2087059784","https://openalex.org/W2115418431","https://openalex.org/W2360961207","https://openalex.org/W7073560866","https://openalex.org/W2028674467","https://openalex.org/W2156224786"],"abstract_inverted_index":{"The":[0,67],"fields":[1,30,70,79,103],"scattered":[2],"by":[3,8,38,90,135],"circular":[4,82],"symmetric":[5],"reflector":[6],"illuminated":[7],"a":[9,39,109],"linearly":[10],"polarised":[11],"wave":[12,69,115],"incident":[13,114],"normally":[14],"on":[15],"the":[16,21,29,32,47,54,60,64,75,99,102,105,113,124,130,146,150,157,168],"aperture":[17],"are":[18,56,71,179],"calculated":[19],"from":[20,129,153],"induced":[22],"surface":[23],"currents.":[24],"It":[25],"is":[26,95,116],"shown":[27],"that":[28],"in":[31,59,104,156,176],"axial":[33,68],"region":[34,107],"can":[35,86],"be":[36,87],"represented":[37],"spectrum":[40],"of":[41,63,74,101,108,138,161,170],"near-spherical":[42],"hybrid":[43],"waves":[44],"propagating":[45],"along":[46],"axis.":[48],"For":[49,120],"large":[50],"microwave":[51],"focusing":[52,140],"reflectors,":[53,166],"wavefronts":[55],"effectively":[57],"plane":[58],"significant":[61],"part":[62],"image":[65,125],"space.":[66],"linear":[72],"combinations":[73],"TEln":[76],"and":[77,118,167],"TMln":[78],"appropriate":[80],"for":[81],"metal":[83],"pipes,":[84],"but":[85],"bounded":[88],"only":[89],"anisotropic-reactance":[91],"surfaces.":[92],"Axial-wave":[93],"theory":[94],"used":[96],"to":[97,164],"investigate":[98],"characteristics":[100],"focal":[106,122,158],"paraboloidal":[110],"reflector,":[111],"when":[112],"uniform":[117],"plane.":[119,159],"radiotelescope":[121],"ratios,":[123],"structure":[126],"differs":[127],"significantly":[128],"classical":[131],"Airy":[132],"pattern,":[133],"deduced":[134],"scalar":[136],"analysis,":[137],"optical":[139],"systems.":[141],"Energy":[142],"vortexes":[143],"circulating":[144],"about":[145],"dark":[147],"rings":[148],"influence":[149],"efficiency":[151],"obtainable":[152],"aperture-type":[154],"feeds":[155],"Application":[160],"axial-wave":[162],"analysis":[163],"spherical":[165],"synthesis":[169],"high-efficiency":[171],"low-noise":[172],"feeds,":[173],"using":[174],"hybrid-waves":[175],"corrugated":[177],"guides,":[178],"described":[180],"briefly.":[181]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":3},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}