{"id":"https://openalex.org/W2056816629","doi":"https://doi.org/10.1364/ao.53.001970","title":"Quasi-achromatic Fresnel zone lens with ring focus","display_name":"Quasi-achromatic Fresnel zone lens with ring focus","publication_year":2014,"publication_date":"2014-03-18","ids":{"openalex":"https://openalex.org/W2056816629","doi":"https://doi.org/10.1364/ao.53.001970","mag":"2056816629","pmid":"https://pubmed.ncbi.nlm.nih.gov/24663478"},"language":"en","primary_location":{"id":"doi:10.1364/ao.53.001970","doi":"https://doi.org/10.1364/ao.53.001970","is_oa":false,"landing_page_url":"https://doi.org/10.1364/ao.53.001970","pdf_url":null,"source":{"id":"https://openalex.org/S4210211917","display_name":"Applied Optics","issn_l":"0003-6935","issn":["0003-6935","1539-4522","1540-8981","1559-128X","2155-3165"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["anvur-scientific","dongbi-c","jufo-1","medline","norway-1","poland-100","russia-white-list-2"],"host_organization":"https://openalex.org/P4310315679","host_organization_name":"Optica Publishing Group","host_organization_lineage":["https://openalex.org/P4310315679"],"host_organization_lineage_names":["Optica Publishing Group"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Applied Optics","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"A. Vijayakumar","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"education","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"A. Vijayakumar","raw_affiliation_strings":["Centre for NEMS and Nanophotonics, Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai 600036, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre for NEMS and Nanophotonics, Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai 600036, India","institution_ids":["https://openalex.org/I24676775"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027237716","display_name":"Shanti Bhattacharya","orcid":"https://orcid.org/0000-0002-1213-5514","observed_orcids":["https://orcid.org/0000-0002-1213-5514"]},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"education","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Shanti Bhattacharya","raw_affiliation_strings":["Centre for NEMS and Nanophotonics, Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai 600036, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre for NEMS and Nanophotonics, Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai 600036, India","institution_ids":["https://openalex.org/I24676775"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I24676775"],"apc_list":null,"apc_paid":null,"fwci":1.212,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.77366857,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"53","issue":"9","first_page":"1970","last_page":"1970"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11517","display_name":"Advanced optical system design","score":0.8823000192642212,"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"}},"topics":[{"id":"https://openalex.org/T11517","display_name":"Advanced optical system design","score":0.8823000192642212,"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/T10245","display_name":"Metamaterials and Metasurfaces Applications","score":0.055399999022483826,"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/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":0.006599999964237213,"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/wavelength-independence","display_name":"wavelength independence","score":0.6759999990463257},{"id":"https://openalex.org/keywords/electron-beam-direct-writing","display_name":"electron beam direct writing","score":0.8920000195503235},{"id":"https://openalex.org/keywords/diffractive-optical-elements","display_name":"diffractive optical elements","score":0.7919999957084656}],"concepts":[{"id":"https://openalex.org/C121535716","wikidata":"https://www.wikidata.org/wiki/Q340600","display_name":"Achromatic lens","level":2,"score":0.9568499326705933},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.8872721791267395},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.65232253074646},{"id":"https://openalex.org/C200292535","wikidata":"https://www.wikidata.org/wiki/Q1455719","display_name":"Fresnel zone","level":3,"score":0.6395973563194275},{"id":"https://openalex.org/C15336307","wikidata":"https://www.wikidata.org/wiki/Q1766051","display_name":"Lens (geology)","level":2,"score":0.6068891882896423},{"id":"https://openalex.org/C2781358867","wikidata":"https://www.wikidata.org/wiki/Q14672","display_name":"Fresnel lens","level":3,"score":0.5603654384613037},{"id":"https://openalex.org/C178635117","wikidata":"https://www.wikidata.org/wiki/Q747499","display_name":"RADIUS","level":2,"score":0.5385770201683044},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5177602171897888},{"id":"https://openalex.org/C153837357","wikidata":"https://www.wikidata.org/wiki/Q838055","display_name":"Fresnel equations","level":3,"score":0.4908509850502014},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.46506884694099426},{"id":"https://openalex.org/C191463272","wikidata":"https://www.wikidata.org/wiki/Q2493660","display_name":"Light beam","level":2,"score":0.4639410972595215},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.4304671883583069},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.41817522048950195},{"id":"https://openalex.org/C168834538","wikidata":"https://www.wikidata.org/wiki/Q3705329","display_name":"Beam (structure)","level":2,"score":0.4113408625125885},{"id":"https://openalex.org/C42067758","wikidata":"https://www.wikidata.org/wiki/Q174102","display_name":"Refractive index","level":2,"score":0.37797850370407104},{"id":"https://openalex.org/C207114421","wikidata":"https://www.wikidata.org/wiki/Q133900","display_name":"Diffraction","level":2,"score":0.10682028532028198},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1364/ao.53.001970","doi":"https://doi.org/10.1364/ao.53.001970","is_oa":false,"landing_page_url":"https://doi.org/10.1364/ao.53.001970","pdf_url":null,"source":{"id":"https://openalex.org/S4210211917","display_name":"Applied Optics","issn_l":"0003-6935","issn":["0003-6935","1539-4522","1540-8981","1559-128X","2155-3165"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["anvur-scientific","dongbi-c","jufo-1","medline","norway-1","poland-100","russia-white-list-2"],"host_organization":"https://openalex.org/P4310315679","host_organization_name":"Optica Publishing Group","host_organization_lineage":["https://openalex.org/P4310315679"],"host_organization_lineage_names":["Optica Publishing Group"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Applied Optics","raw_type":"journal-article"},{"id":"pmid:24663478","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/24663478","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Applied optics","raw_type":"Journal Article"},{"id":"pmh:oai:researchbank.swinburne.edu.au:03b74696-8bd9-4fe2-b08d-d3e11ba83885/1","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/1959.3/450355","pdf_url":null,"source":{"id":"https://openalex.org/S4306401157","display_name":"Swinburne figshare (Swinburne University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I57093077","host_organization_name":"Swinburne University of Technology","host_organization_lineage":["https://openalex.org/I57093077"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Applied Optics, Vol. 53, no. 9 (Mar 2014), pp. 1970-1974","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1966161267","https://openalex.org/W1987123905","https://openalex.org/W2007866450","https://openalex.org/W2016383008","https://openalex.org/W2027937467","https://openalex.org/W2039561492","https://openalex.org/W2043121406","https://openalex.org/W2064315279","https://openalex.org/W2081641709","https://openalex.org/W2115928679","https://openalex.org/W2124938843","https://openalex.org/W2126303402","https://openalex.org/W2143035852","https://openalex.org/W2149796857","https://openalex.org/W2154131196","https://openalex.org/W2160875600","https://openalex.org/W2161984523","https://openalex.org/W2398863409","https://openalex.org/W2490561319","https://openalex.org/W4233376421","https://openalex.org/W4248420604"],"related_works":["https://openalex.org/W1981531191","https://openalex.org/W2374091959","https://openalex.org/W3168423732","https://openalex.org/W3153491020","https://openalex.org/W4406724989","https://openalex.org/W802984601","https://openalex.org/W1981552217","https://openalex.org/W7096687561","https://openalex.org/W2094934479","https://openalex.org/W2030649968"],"abstract_inverted_index":{"The":[0,23,32,51,83],"phase":[1,18],"of":[2,19,66,74,79,87],"a":[3,20,30,67,101],"standard":[4],"Fresnel":[5],"zone":[6],"lens":[7],"(FZL)":[8],"is":[9,34,43,49,54],"periodically":[10],"modulated":[11],"in":[12,39,85],"the":[13,17,41,64,72,75],"radial":[14],"direction":[15],"using":[16,56],"binary":[21,52],"fraxicon.":[22],"resulting":[24],"element":[25],"(rf-FZL)":[26],"focuses":[27],"light":[28],"into":[29],"ring.":[31],"ring":[33,69,88],"found":[35],"to":[36,95,107],"be":[37],"quasi-achromatic,":[38],"that":[40],"diameter":[42],"wavelength":[44,103],"independent":[45],"but":[46],"its":[47],"location":[48],"not.":[50],"rf-FZL":[53],"fabricated":[55],"electron":[57],"beam":[58],"direct":[59],"writing.":[60],"Experimental":[61],"results":[62],"confirm":[63],"generation":[65],"wavelength-independent":[68],"pattern":[70,89],"at":[71],"focus":[73],"rf-FZL.":[76],"An":[77],"efficiency":[78],"24%":[80],"was":[81,90],"obtained.":[82],"variation":[84,104],"radius":[86],"reduced":[91],"from":[92,105],"61":[93],"\u03bcm":[94],"less":[96],"than":[97],"10":[98],"nm":[99],"for":[100],"corresponding":[102],"532":[106],"633":[108],"nm.":[109]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":1}],"updated_date":"2026-10-14T16:39:01.820549","created_date":"2016-06-24T00:00:00"}
