{"id":"https://openalex.org/W2807189629","doi":"https://doi.org/10.1364/ol.43.002840","title":"Fresnel diffraction due to phase gradient singularity","display_name":"Fresnel diffraction due to phase gradient singularity","publication_year":2018,"publication_date":"2018-06-08","ids":{"openalex":"https://openalex.org/W2807189629","doi":"https://doi.org/10.1364/ol.43.002840","mag":"2807189629","pmid":"https://pubmed.ncbi.nlm.nih.gov/29905703"},"language":"en","primary_location":{"id":"doi:10.1364/ol.43.002840","doi":"https://doi.org/10.1364/ol.43.002840","is_oa":false,"landing_page_url":"https://doi.org/10.1364/ol.43.002840","pdf_url":null,"source":{"id":"https://openalex.org/S134390580","display_name":"Optics Letters","issn_l":"0146-9592","issn":["0146-9592","1071-2763","1539-4794"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-2","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1"],"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":"Optics Letters","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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":"https://openalex.org/A5062798571","display_name":"Ehsan Ahadi Akhlaghi","orcid":"https://orcid.org/0000-0002-8211-3054","observed_orcids":["https://orcid.org/0000-0002-8211-3054"]},"institutions":[{"id":"https://openalex.org/I161028277","display_name":"Institute for Advanced Studies in Basic Sciences","ror":"https://ror.org/00bzsst90","country_code":"IR","type":"education","lineage":["https://openalex.org/I161028277"]}],"countries":["IR"],"is_corresponding":true,"raw_author_name":"Ehsan A. Akhlaghi","raw_affiliation_strings":["Department of Physics, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran","institution_ids":["https://openalex.org/I161028277"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082397994","display_name":"Ahad Saber","orcid":"https://orcid.org/0000-0002-8879-9878","observed_orcids":["https://orcid.org/0000-0002-8879-9878"]},"institutions":[{"id":"https://openalex.org/I72341708","display_name":"University of Mohaghegh Ardabili","ror":"https://ror.org/045zrcm98","country_code":"IR","type":"education","lineage":["https://openalex.org/I72341708"]}],"countries":["IR"],"is_corresponding":true,"raw_author_name":"Ahad Saber","raw_affiliation_strings":["Department of Physics, University of Mohaghegh Ardabili, P.O. Box 179, Ardabil, Iran"],"raw_orcid":"https://orcid.org/0000-0002-8879-9878","affiliations":[{"raw_affiliation_string":"Department of Physics, University of Mohaghegh Ardabili, P.O. Box 179, Ardabil, Iran","institution_ids":["https://openalex.org/I72341708"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102858203","display_name":"Zahra Abbasi","orcid":"https://orcid.org/0009-0001-1913-5269","observed_orcids":["https://orcid.org/0009-0001-1913-5269"]},"institutions":[{"id":"https://openalex.org/I161028277","display_name":"Institute for Advanced Studies in Basic Sciences","ror":"https://ror.org/00bzsst90","country_code":"IR","type":"education","lineage":["https://openalex.org/I161028277"]}],"countries":["IR"],"is_corresponding":true,"raw_author_name":"Zahra Abbasi","raw_affiliation_strings":["Department of Physics, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran","institution_ids":["https://openalex.org/I161028277"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5062798571","https://openalex.org/A5082397994","https://openalex.org/A5102858203"],"corresponding_institution_ids":["https://openalex.org/I161028277","https://openalex.org/I72341708"],"apc_list":null,"apc_paid":null,"fwci":0.5428,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.6603309,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"43","issue":"12","first_page":"2840","last_page":"2840"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10638","display_name":"Optical measurement and interference techniques","score":0.5737000107765198,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10638","display_name":"Optical measurement and interference techniques","score":0.5737000107765198,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10490","display_name":"Orbital Angular Momentum in Optics","score":0.3488999903202057,"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/T13126","display_name":"Scientific Research and Discoveries","score":0.008100000210106373,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/fresnel-diffraction","display_name":"Fresnel diffraction","score":0.996999979019165},{"id":"https://openalex.org/keywords/phase-objects","display_name":"phase objects","score":0.9129999876022339},{"id":"https://openalex.org/keywords/fresnel-biprism","display_name":"Fresnel biprism","score":0.9990000128746033},{"id":"https://openalex.org/keywords/wavelength-measurement","display_name":"wavelength measurement","score":0.38199999928474426}],"concepts":[{"id":"https://openalex.org/C50282329","wikidata":"https://www.wikidata.org/wiki/Q2286895","display_name":"Fresnel diffraction","level":3,"score":0.8869142532348633},{"id":"https://openalex.org/C207114421","wikidata":"https://www.wikidata.org/wiki/Q133900","display_name":"Diffraction","level":2,"score":0.8457799553871155},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.8187285661697388},{"id":"https://openalex.org/C200292535","wikidata":"https://www.wikidata.org/wiki/Q1455719","display_name":"Fresnel zone","level":3,"score":0.7391106486320496},{"id":"https://openalex.org/C166453422","wikidata":"https://www.wikidata.org/wiki/Q1455717","display_name":"Fresnel number","level":3,"score":0.669886589050293},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6576992273330688},{"id":"https://openalex.org/C191677583","wikidata":"https://www.wikidata.org/wiki/Q580253","display_name":"Fresnel integral","level":4,"score":0.5656514167785645},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.5274291634559631},{"id":"https://openalex.org/C2776698673","wikidata":"https://www.wikidata.org/wiki/Q180622","display_name":"Talbot effect","level":3,"score":0.5009641647338867},{"id":"https://openalex.org/C153837357","wikidata":"https://www.wikidata.org/wiki/Q838055","display_name":"Fresnel equations","level":3,"score":0.49480026960372925},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.489376962184906},{"id":"https://openalex.org/C32623475","wikidata":"https://www.wikidata.org/wiki/Q1455709","display_name":"Zone plate","level":3,"score":0.4720488488674164},{"id":"https://openalex.org/C16171025","wikidata":"https://www.wikidata.org/wiki/Q863349","display_name":"Singularity","level":2,"score":0.46067604422569275},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.45117703080177307},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.4185054302215576},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.17127114534378052},{"id":"https://openalex.org/C42067758","wikidata":"https://www.wikidata.org/wiki/Q174102","display_name":"Refractive index","level":2,"score":0.16916418075561523},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09274259209632874},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1364/ol.43.002840","doi":"https://doi.org/10.1364/ol.43.002840","is_oa":false,"landing_page_url":"https://doi.org/10.1364/ol.43.002840","pdf_url":null,"source":{"id":"https://openalex.org/S134390580","display_name":"Optics Letters","issn_l":"0146-9592","issn":["0146-9592","1071-2763","1539-4794"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-2","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1"],"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":"Optics Letters","raw_type":"journal-article"},{"id":"pmid:29905703","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/29905703","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":"Optics letters","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1972352958","https://openalex.org/W1973672307","https://openalex.org/W2023524275","https://openalex.org/W2028852070","https://openalex.org/W2070938786","https://openalex.org/W2078324995","https://openalex.org/W2080076189","https://openalex.org/W2094772926","https://openalex.org/W2121698432","https://openalex.org/W2149894066","https://openalex.org/W2320116342","https://openalex.org/W2508571363","https://openalex.org/W2598586581","https://openalex.org/W4238136570"],"related_works":["https://openalex.org/W2080076189","https://openalex.org/W3173513860","https://openalex.org/W1509197837","https://openalex.org/W2127548790","https://openalex.org/W2062519109","https://openalex.org/W2062899368","https://openalex.org/W1988303467","https://openalex.org/W1478228496","https://openalex.org/W3000270076","https://openalex.org/W2094772926"],"abstract_inverted_index":{"In":[0],"this":[1,42,85],"Letter,":[2],"a":[3,12,96],"singularity":[4,33],"in":[5,23,34,137],"the":[6,16,24,29,32,35,58,67,70,80,88,92,100,104,111,114,125,141],"phase":[7,19,27,36],"gradient":[8,37],"is":[9,62],"introduced":[10],"as":[11,54],"new":[13],"origin":[14],"of":[15,28,46,69,91,113,124],"diffraction":[17,45,122],"from":[18],"objects.":[20],"The":[21,121],"continuity":[22],"amplitude":[25],"and":[26,31,50,57,87,110,129],"wave":[30],"are":[38,52],"assumed":[39],"to":[40,99],"describe":[41],"phenomenon.":[43],"Fresnel":[44,47,126,130],"double":[48,127],"mirror":[49,128],"biprism":[51,131],"studied":[53],"practical":[55],"examples,":[56],"diffracted":[59,71],"intensity":[60,68],"distribution":[61],"calculated.":[63],"We":[64],"show":[65],"that":[66],"field":[72],"varies":[73],"with":[74,140],"an":[75],"almost":[76],"constant":[77],"period":[78],"along":[79],"average":[81,101],"propagation":[82,102],"direction.":[83],"Using":[84],"value":[86],"fringe":[89],"spacing":[90],"interference":[93],"pattern":[94,123],"on":[95],"plane":[97],"normal":[98],"direction,":[103],"angle":[105],"between":[106],"two":[107],"interfering":[108],"beams":[109],"wavelength":[112],"incident":[115],"light":[116],"could":[117],"be":[118],"simultaneously":[119],"derived.":[120],"were":[132,136],"obtained":[133],"experimentally,":[134],"which":[135],"good":[138],"agreement":[139],"theoretical":[142],"results.":[143]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1}],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2018-06-13T00:00:00"}