{"id":"https://openalex.org/W2742680208","doi":"https://doi.org/10.3390/s17081861","title":"Optical Refractive Index Sensing Based on High-Q Bound States in the Continuum in Free-Space Coupled Photonic Crystal Slabs","display_name":"Optical Refractive Index Sensing Based on High-Q Bound States in the Continuum in Free-Space Coupled Photonic Crystal Slabs","publication_year":2017,"publication_date":"2017-08-11","ids":{"openalex":"https://openalex.org/W2742680208","doi":"https://doi.org/10.3390/s17081861","mag":"2742680208","pmid":"https://pubmed.ncbi.nlm.nih.gov/28800108"},"language":"en","primary_location":{"id":"doi:10.3390/s17081861","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s17081861","pdf_url":"https://www.mdpi.com/1424-8220/17/8/1861/pdf?version=1503050123","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/17/8/1861/pdf?version=1503050123","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5029507056","display_name":"Yonghao Liu","orcid":"https://orcid.org/0000-0002-6816-4533"},"institutions":[{"id":"https://openalex.org/I189196454","display_name":"The University of Texas at Arlington","ror":"https://ror.org/019kgqr73","country_code":"US","type":"education","lineage":["https://openalex.org/I189196454"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yonghao Liu","raw_affiliation_strings":["Department of Electrical Engineering, University of Texas at Arlington, Arlington, TX 76019, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of Texas at Arlington, Arlington, TX 76019, USA","institution_ids":["https://openalex.org/I189196454"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5106763269","display_name":"Weidong Zhou","orcid":"https://orcid.org/0000-0002-8620-4957"},"institutions":[{"id":"https://openalex.org/I189196454","display_name":"The University of Texas at Arlington","ror":"https://ror.org/019kgqr73","country_code":"US","type":"education","lineage":["https://openalex.org/I189196454"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Weidong Zhou","raw_affiliation_strings":["Department of Electrical Engineering, University of Texas at Arlington, Arlington, TX 76019, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of Texas at Arlington, Arlington, TX 76019, USA","institution_ids":["https://openalex.org/I189196454"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081469699","display_name":"Yuze Sun","orcid":"https://orcid.org/0000-0001-5149-2277"},"institutions":[{"id":"https://openalex.org/I189196454","display_name":"The University of Texas at Arlington","ror":"https://ror.org/019kgqr73","country_code":"US","type":"education","lineage":["https://openalex.org/I189196454"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Yuze Sun","raw_affiliation_strings":["Department of Electrical Engineering, University of Texas at Arlington, Arlington, TX 76019, USA"],"raw_orcid":"https://orcid.org/0000-0001-5149-2277","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of Texas at Arlington, Arlington, TX 76019, USA","institution_ids":["https://openalex.org/I189196454"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5081469699","https://openalex.org/A5106763269"],"corresponding_institution_ids":["https://openalex.org/I189196454"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2673},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2673},"fwci":4.3691,"has_fulltext":true,"cited_by_count":148,"citation_normalized_percentile":{"value":0.95073784,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"17","issue":"8","first_page":"1861","last_page":"1861"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10299","display_name":"Photonic and Optical Devices","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/T10299","display_name":"Photonic and Optical Devices","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/T10666","display_name":"Photonic Crystals and Applications","score":0.9998000264167786,"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/T10295","display_name":"Plasmonic and Surface Plasmon Research","score":0.9991000294685364,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/refractive-index","display_name":"Refractive index","score":0.8433066606521606},{"id":"https://openalex.org/keywords/photonic-crystal","display_name":"Photonic crystal","score":0.7832774519920349},{"id":"https://openalex.org/keywords/detection-limit","display_name":"Detection limit","score":0.5884145498275757},{"id":"https://openalex.org/keywords/wavelength","display_name":"Wavelength","score":0.5766569972038269},{"id":"https://openalex.org/keywords/limit","display_name":"Limit (mathematics)","score":0.5685234069824219},{"id":"https://openalex.org/keywords/photonics","display_name":"Photonics","score":0.5119000673294067},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.4954158067703247},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.47658225893974304},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.47375327348709106},{"id":"https://openalex.org/keywords/sensitivity","display_name":"Sensitivity (control systems)","score":0.4526509940624237},{"id":"https://openalex.org/keywords/q-factor","display_name":"Q factor","score":0.4434952139854431},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3319759666919708},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.2184506058692932},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.10265663266181946},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10034880042076111},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08608967065811157}],"concepts":[{"id":"https://openalex.org/C42067758","wikidata":"https://www.wikidata.org/wiki/Q174102","display_name":"Refractive index","level":2,"score":0.8433066606521606},{"id":"https://openalex.org/C75302062","wikidata":"https://www.wikidata.org/wiki/Q900150","display_name":"Photonic crystal","level":2,"score":0.7832774519920349},{"id":"https://openalex.org/C119128265","wikidata":"https://www.wikidata.org/wiki/Q900165","display_name":"Detection limit","level":2,"score":0.5884145498275757},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.5766569972038269},{"id":"https://openalex.org/C151201525","wikidata":"https://www.wikidata.org/wiki/Q177239","display_name":"Limit (mathematics)","level":2,"score":0.5685234069824219},{"id":"https://openalex.org/C20788544","wikidata":"https://www.wikidata.org/wiki/Q467054","display_name":"Photonics","level":2,"score":0.5119000673294067},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4954158067703247},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.47658225893974304},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.47375327348709106},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.4526509940624237},{"id":"https://openalex.org/C187725362","wikidata":"https://www.wikidata.org/wiki/Q830521","display_name":"Q factor","level":3,"score":0.4434952139854431},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3319759666919708},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.2184506058692932},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.10265663266181946},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10034880042076111},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08608967065811157},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C97126364","wikidata":"https://www.wikidata.org/wiki/Q349669","display_name":"Resonator","level":2,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/s17081861","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s17081861","pdf_url":"https://www.mdpi.com/1424-8220/17/8/1861/pdf?version=1503050123","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:28800108","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/28800108","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,"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":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:432cdf97ea004298b5e74c8e350911d5","is_oa":true,"landing_page_url":"https://doaj.org/article/432cdf97ea004298b5e74c8e350911d5","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":"Sensors, Vol 17, Iss 8, p 1861 (2017)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/17/8/1861/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s17081861","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"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":"Sensors; Volume 17; Issue 8; Pages: 1861","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:5579755","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/5579755","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s17081861","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s17081861","pdf_url":"https://www.mdpi.com/1424-8220/17/8/1861/pdf?version=1503050123","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Life in Land","id":"https://metadata.un.org/sdg/15","score":0.44999998807907104}],"awards":[{"id":"https://openalex.org/G2559616198","display_name":null,"funder_award_id":"1407947","funder_id":"https://openalex.org/F4320337392","funder_display_name":"Division of Electrical, Communications and Cyber Systems"},{"id":"https://openalex.org/G3660158104","display_name":"Optical Cavity Enhanced Nanoscale Gas Chromatography","funder_award_id":"1407947","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G4044106544","display_name":null,"funder_award_id":"W911NF-15-1-0431","funder_id":"https://openalex.org/F4320338281","funder_display_name":"Army Research Office"},{"id":"https://openalex.org/G5352749628","display_name":null,"funder_award_id":"ECCS-1407947","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G5385673730","display_name":null,"funder_award_id":"W911NF-15-1-","funder_id":"https://openalex.org/F4320338281","funder_display_name":"Army Research Office"},{"id":"https://openalex.org/G7452299184","display_name":null,"funder_award_id":"W911NF","funder_id":"https://openalex.org/F4320338281","funder_display_name":"Army Research Office"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320337392","display_name":"Division of Electrical, Communications and Cyber Systems","ror":"https://ror.org/01krpsy48"},{"id":"https://openalex.org/F4320338281","display_name":"Army Research Office","ror":"https://ror.org/05epdh915"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2742680208.pdf","grobid_xml":"https://content.openalex.org/works/W2742680208.grobid-xml"},"referenced_works_count":49,"referenced_works":["https://openalex.org/W207909860","https://openalex.org/W1515538283","https://openalex.org/W1964220787","https://openalex.org/W1964314702","https://openalex.org/W1966166485","https://openalex.org/W1968063242","https://openalex.org/W1970819214","https://openalex.org/W1973714168","https://openalex.org/W1980269750","https://openalex.org/W1985208161","https://openalex.org/W1991272748","https://openalex.org/W2000947564","https://openalex.org/W2007270313","https://openalex.org/W2010896317","https://openalex.org/W2013587159","https://openalex.org/W2017073904","https://openalex.org/W2025689963","https://openalex.org/W2029384959","https://openalex.org/W2032042797","https://openalex.org/W2037417031","https://openalex.org/W2044614109","https://openalex.org/W2045889138","https://openalex.org/W2047561286","https://openalex.org/W2049587091","https://openalex.org/W2049903341","https://openalex.org/W2052958169","https://openalex.org/W2058541903","https://openalex.org/W2060095642","https://openalex.org/W2067030759","https://openalex.org/W2068346252","https://openalex.org/W2070015207","https://openalex.org/W2079555434","https://openalex.org/W2096113396","https://openalex.org/W2100767415","https://openalex.org/W2102731194","https://openalex.org/W2114313159","https://openalex.org/W2118651170","https://openalex.org/W2127628180","https://openalex.org/W2133865602","https://openalex.org/W2141907466","https://openalex.org/W2154048298","https://openalex.org/W2155189614","https://openalex.org/W2164697448","https://openalex.org/W2166250628","https://openalex.org/W2289736187","https://openalex.org/W2464491535","https://openalex.org/W2494235437","https://openalex.org/W2603978810","https://openalex.org/W2610084794"],"related_works":["https://openalex.org/W2364114871","https://openalex.org/W1993808280","https://openalex.org/W1986203310","https://openalex.org/W1972844064","https://openalex.org/W1990217343","https://openalex.org/W2242110690","https://openalex.org/W2301415813","https://openalex.org/W2009369466","https://openalex.org/W2028791279","https://openalex.org/W2059450124"],"abstract_inverted_index":{"High":[0],"sensitivity":[1],"(S)":[2],"and":[3,27,38,56,80,109],"high":[4,36,39],"quality":[5],"factor":[6],"(Q)":[7],"are":[8],"desirable":[9],"to":[10],"achieve":[11],"low":[12],"detection":[13,89],"limit":[14,90],"in":[15,45,60,64,104],"label-free":[16],"optical":[17,69],"sensors.":[18],"In":[19],"this":[20],"paper,":[21],"we":[22],"theoretically":[23,50],"demonstrate":[24],"that":[25],"single-layer":[26],"coupled":[28],"bi-layer":[29],"photonic":[30],"crystal":[31],"slabs":[32],"(PCS)":[33],"possess":[34],"simultaneously":[35],"S":[37,52,76],"Q":[40,57,82],"near":[41],"the":[42,46,65],"bound":[43],"states":[44],"continuum":[47],"(BIC).":[48],"We":[49,72],"achieved":[51],">":[53,58],"800":[54],"nm/RIU":[55,79],"107":[59],"refractive":[61,95],"index":[62,96],"sensing":[63],"1400\u20131600":[66],"nm":[67],"telecom":[68],"wavelength":[70],"bands.":[71],"experimentally":[73],"demonstrated":[74],"an":[75],"of":[77,83,91],"94":[78],"a":[81,88],"1.2":[84],"\u00d7":[85,93],"104,":[86],"with":[87],"6":[92],"10\u22125":[94],"unit.":[97],"These":[98],"sensor":[99],"designs":[100],"can":[101],"find":[102],"applications":[103],"biochemical":[105],"sensing,":[106],"environmental":[107],"monitoring,":[108],"healthcare.":[110]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":13},{"year":2024,"cited_by_count":19},{"year":2023,"cited_by_count":33},{"year":2022,"cited_by_count":21},{"year":2021,"cited_by_count":21},{"year":2020,"cited_by_count":16},{"year":2019,"cited_by_count":13},{"year":2018,"cited_by_count":10}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}