{"id":"https://openalex.org/W2913045060","doi":"https://doi.org/10.3390/s19030724","title":"Resonant Photoacoustic Spectroscopy of NO2 with a UV-LED Based Sensor","display_name":"Resonant Photoacoustic Spectroscopy of NO2 with a UV-LED Based Sensor","publication_year":2019,"publication_date":"2019-02-11","ids":{"openalex":"https://openalex.org/W2913045060","doi":"https://doi.org/10.3390/s19030724","mag":"2913045060","pmid":"https://pubmed.ncbi.nlm.nih.gov/30754637"},"language":"en","primary_location":{"id":"doi:10.3390/s19030724","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19030724","pdf_url":"https://www.mdpi.com/1424-8220/19/3/724/pdf?version=1549875430","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/1424-8220/19/3/724/pdf?version=1549875430","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Johannes Kapp","orcid":"https://orcid.org/0000-0002-2208-0633"},"institutions":[{"id":"https://openalex.org/I161046081","display_name":"University of Freiburg","ror":"https://ror.org/0245cg223","country_code":"DE","type":"education","lineage":["https://openalex.org/I161046081"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Johannes Kapp","raw_affiliation_strings":["Department of Microsystems Engineering\u2014IMTEK, University of Freiburg, 79110 Freiburg, Germany"],"raw_orcid":"https://orcid.org/0000-0002-2208-0633","affiliations":[{"raw_affiliation_string":"Department of Microsystems Engineering\u2014IMTEK, University of Freiburg, 79110 Freiburg, Germany","institution_ids":["https://openalex.org/I161046081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114686107","display_name":"Christian Weber","orcid":"https://orcid.org/0000-0001-5255-9736"},"institutions":[{"id":"https://openalex.org/I161046081","display_name":"University of Freiburg","ror":"https://ror.org/0245cg223","country_code":"DE","type":"education","lineage":["https://openalex.org/I161046081"]},{"id":"https://openalex.org/I4210088263","display_name":"Fraunhofer Institute for Physical Measurement Techniques","ror":"https://ror.org/004n2nr09","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210088263","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Christian Weber","raw_affiliation_strings":["Department of Microsystems Engineering\u2014IMTEK, University of Freiburg, 79110 Freiburg, Germany","Fraunhofer Institute for Physical Measurement Techniques IPM, 79110 Freiburg, Germany"],"raw_orcid":"https://orcid.org/0000-0001-5255-9736","affiliations":[{"raw_affiliation_string":"Department of Microsystems Engineering\u2014IMTEK, University of Freiburg, 79110 Freiburg, Germany","institution_ids":["https://openalex.org/I161046081"]},{"raw_affiliation_string":"Fraunhofer Institute for Physical Measurement Techniques IPM, 79110 Freiburg, Germany","institution_ids":["https://openalex.org/I4210088263"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058966280","display_name":"Katrin Schmitt","orcid":"https://orcid.org/0000-0002-4646-8990"},"institutions":[{"id":"https://openalex.org/I161046081","display_name":"University of Freiburg","ror":"https://ror.org/0245cg223","country_code":"DE","type":"education","lineage":["https://openalex.org/I161046081"]},{"id":"https://openalex.org/I4210088263","display_name":"Fraunhofer Institute for Physical Measurement Techniques","ror":"https://ror.org/004n2nr09","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210088263","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Katrin Schmitt","raw_affiliation_strings":["Department of Microsystems Engineering\u2014IMTEK, University of Freiburg, 79110 Freiburg, Germany","Fraunhofer Institute for Physical Measurement Techniques IPM, 79110 Freiburg, Germany"],"raw_orcid":"https://orcid.org/0000-0002-4646-8990","affiliations":[{"raw_affiliation_string":"Department of Microsystems Engineering\u2014IMTEK, University of Freiburg, 79110 Freiburg, Germany","institution_ids":["https://openalex.org/I161046081"]},{"raw_affiliation_string":"Fraunhofer Institute for Physical Measurement Techniques IPM, 79110 Freiburg, Germany","institution_ids":["https://openalex.org/I4210088263"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042033033","display_name":"Hans\u2010Fridtjof Pernau","orcid":"https://orcid.org/0000-0003-2575-1997"},"institutions":[{"id":"https://openalex.org/I4210088263","display_name":"Fraunhofer Institute for Physical Measurement Techniques","ror":"https://ror.org/004n2nr09","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210088263","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Hans-Fridtjof Pernau","raw_affiliation_strings":["Fraunhofer Institute for Physical Measurement Techniques IPM, 79110 Freiburg, Germany"],"raw_orcid":"https://orcid.org/0000-0003-2575-1997","affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Physical Measurement Techniques IPM, 79110 Freiburg, Germany","institution_ids":["https://openalex.org/I4210088263"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112352308","display_name":"J\u00fcrgen W\u00f6llenstein","orcid":null},"institutions":[{"id":"https://openalex.org/I161046081","display_name":"University of Freiburg","ror":"https://ror.org/0245cg223","country_code":"DE","type":"education","lineage":["https://openalex.org/I161046081"]},{"id":"https://openalex.org/I4210088263","display_name":"Fraunhofer Institute for Physical Measurement Techniques","ror":"https://ror.org/004n2nr09","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210088263","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"J\u00fcrgen W\u00f6llenstein","raw_affiliation_strings":["Department of Microsystems Engineering\u2014IMTEK, University of Freiburg, 79110 Freiburg, Germany","Fraunhofer Institute for Physical Measurement Techniques IPM, 79110 Freiburg, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Microsystems Engineering\u2014IMTEK, University of Freiburg, 79110 Freiburg, Germany","institution_ids":["https://openalex.org/I161046081"]},{"raw_affiliation_string":"Fraunhofer Institute for Physical Measurement Techniques IPM, 79110 Freiburg, Germany","institution_ids":["https://openalex.org/I4210088263"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I161046081"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":1432,"currency":"EUR","value_usd":1544},"fwci":1.4844,"has_fulltext":false,"cited_by_count":29,"citation_normalized_percentile":{"value":0.78733219,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"19","issue":"3","first_page":"724","last_page":"724"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11111","display_name":"Spectroscopy and Laser Applications","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11111","display_name":"Spectroscopy and Laser Applications","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11320","display_name":"Atmospheric Ozone and Climate","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12120","display_name":"Air Quality Monitoring and Forecasting","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.6695566177368164},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.5802710056304932},{"id":"https://openalex.org/keywords/photoacoustic-spectroscopy","display_name":"Photoacoustic spectroscopy","score":0.56756192445755},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.5470666289329529},{"id":"https://openalex.org/keywords/resonance","display_name":"Resonance (particle physics)","score":0.4979267120361328},{"id":"https://openalex.org/keywords/absorption","display_name":"Absorption (acoustics)","score":0.4842666983604431},{"id":"https://openalex.org/keywords/nitrogen-dioxide","display_name":"Nitrogen dioxide","score":0.4445037841796875},{"id":"https://openalex.org/keywords/cuvette","display_name":"Cuvette","score":0.4405437707901001},{"id":"https://openalex.org/keywords/trace-gas","display_name":"Trace gas","score":0.43462416529655457},{"id":"https://openalex.org/keywords/microelectromechanical-systems","display_name":"Microelectromechanical systems","score":0.43447887897491455},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.4272914528846741},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.4228043854236603},{"id":"https://openalex.org/keywords/spectroscopy","display_name":"Spectroscopy","score":0.41823020577430725},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.39033764600753784},{"id":"https://openalex.org/keywords/sound-pressure","display_name":"Sound pressure","score":0.31736838817596436},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.2237977683544159},{"id":"https://openalex.org/keywords/photoacoustic-imaging-in-biomedicine","display_name":"Photoacoustic imaging in biomedicine","score":0.19533267617225647},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.16597822308540344},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10436198115348816}],"concepts":[{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.6695566177368164},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.5802710056304932},{"id":"https://openalex.org/C2777286522","wikidata":"https://www.wikidata.org/wiki/Q900415","display_name":"Photoacoustic spectroscopy","level":3,"score":0.56756192445755},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5470666289329529},{"id":"https://openalex.org/C139210041","wikidata":"https://www.wikidata.org/wiki/Q2145840","display_name":"Resonance (particle physics)","level":2,"score":0.4979267120361328},{"id":"https://openalex.org/C125287762","wikidata":"https://www.wikidata.org/wiki/Q1758948","display_name":"Absorption (acoustics)","level":2,"score":0.4842666983604431},{"id":"https://openalex.org/C2780723490","wikidata":"https://www.wikidata.org/wiki/Q207895","display_name":"Nitrogen dioxide","level":2,"score":0.4445037841796875},{"id":"https://openalex.org/C37160838","wikidata":"https://www.wikidata.org/wiki/Q427601","display_name":"Cuvette","level":2,"score":0.4405437707901001},{"id":"https://openalex.org/C130047971","wikidata":"https://www.wikidata.org/wiki/Q289382","display_name":"Trace gas","level":2,"score":0.43462416529655457},{"id":"https://openalex.org/C37977207","wikidata":"https://www.wikidata.org/wiki/Q175561","display_name":"Microelectromechanical systems","level":2,"score":0.43447887897491455},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.4272914528846741},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.4228043854236603},{"id":"https://openalex.org/C32891209","wikidata":"https://www.wikidata.org/wiki/Q483666","display_name":"Spectroscopy","level":2,"score":0.41823020577430725},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.39033764600753784},{"id":"https://openalex.org/C68115822","wikidata":"https://www.wikidata.org/wiki/Q1068172","display_name":"Sound pressure","level":2,"score":0.31736838817596436},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.2237977683544159},{"id":"https://openalex.org/C54932901","wikidata":"https://www.wikidata.org/wiki/Q7187705","display_name":"Photoacoustic imaging in biomedicine","level":2,"score":0.19533267617225647},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.16597822308540344},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10436198115348816},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"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/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C109214941","wikidata":"https://www.wikidata.org/wiki/Q18334","display_name":"Particle physics","level":1,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":8,"locations":[{"id":"doi:10.3390/s19030724","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19030724","pdf_url":"https://www.mdpi.com/1424-8220/19/3/724/pdf?version=1549875430","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:30754637","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/30754637","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:510fb4fbffa14a19a11664cf1a2193d5","is_oa":true,"landing_page_url":"https://doaj.org/article/510fb4fbffa14a19a11664cf1a2193d5","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 19, Iss 3, p 724 (2019)","raw_type":"article"},{"id":"pmh:oai:europepmc.org:5385429","is_oa":true,"landing_page_url":"http://europepmc.org/pmc/articles/PMC6387121","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},{"id":"pmh:oai:fraunhofer.de:N-534470","is_oa":true,"landing_page_url":"http://publica.fraunhofer.de/documents/N-534470.html","pdf_url":null,"source":{"id":"https://openalex.org/S4306400801","display_name":"Publikationsdatenbank der Fraunhofer-Gesellschaft (Fraunhofer-Gesellschaft)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4923324","host_organization_name":"Fraunhofer-Gesellschaft","host_organization_lineage":["https://openalex.org/I4923324"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Fraunhofer IPM","raw_type":"Journal Article"},{"id":"pmh:oai:mdpi.com:/1424-8220/19/3/724/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s19030724","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 19; Issue 3; Pages: 724","raw_type":"Text"},{"id":"pmh:oai:publica.fraunhofer.de:publica/256203","is_oa":false,"landing_page_url":"https://publica.fraunhofer.de/handle/publica/256203","pdf_url":null,"source":{"id":"https://openalex.org/S4306400318","display_name":"Fraunhofer-Publica (Fraunhofer-Gesellschaft)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4923324","host_organization_name":"Fraunhofer-Gesellschaft","host_organization_lineage":["https://openalex.org/I4923324"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"journal article"},{"id":"pmh:oai:pubmedcentral.nih.gov:6387121","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/6387121","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/s19030724","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19030724","pdf_url":"https://www.mdpi.com/1424-8220/19/3/724/pdf?version=1549875430","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":[{"id":"https://metadata.un.org/sdg/11","score":0.8299999833106995,"display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1989061305","https://openalex.org/W2017623618","https://openalex.org/W2063256598","https://openalex.org/W2064989613","https://openalex.org/W2085687328","https://openalex.org/W2095443316","https://openalex.org/W2097669493","https://openalex.org/W2520728681","https://openalex.org/W2901257570","https://openalex.org/W2902963046","https://openalex.org/W3173372317","https://openalex.org/W6601237113"],"related_works":["https://openalex.org/W4243992910","https://openalex.org/W2115609809","https://openalex.org/W2073129288","https://openalex.org/W1967296973","https://openalex.org/W2346961459","https://openalex.org/W2162182821","https://openalex.org/W1972642620","https://openalex.org/W1989960777","https://openalex.org/W3048469870","https://openalex.org/W2086653065"],"abstract_inverted_index":{"Nitrogen":[0],"dioxide":[1,186],"(NO":[2],"2":[3,38],")":[4,194],"is":[5,102],"a":[6,22,32,40,44,52,64,76,83,153,184,196],"poisonous":[7],"trace":[8],"gas":[9,159],"that":[10,81,155],"requires":[11],"monitoring":[12],"in":[13,18,129,146,175,183],"urban":[14],"areas.":[15],"Accurate":[16],"measurement":[17,160,187],"sub-ppm":[19],"concentrations":[20],"represents":[21],"wide":[23],"application":[24],"field":[25],"for":[26,68,137,158,195],"suitable":[27],"economical":[28],"sensors.":[29],"We":[30],"present":[31],"novel":[33],"approach":[34],"to":[35,96,116,122,171,188],"measure":[36],"NO":[37],"with":[39,51],"photoacoustic":[41],"sensor":[42],"using":[43],"T-shaped":[45],"resonance":[46,119,167],"cell.":[47],"An":[48],"inexpensive":[49],"UV-LED":[50],"peak":[53],"wavelength":[54],"of":[55,86,106,152,179,199],"405":[56],"nm":[57],"as":[58,61,63],"radiation":[59],"source":[60],"well":[62],"commercial":[65],"MEMS":[66],"microphone":[67],"acoustic":[69,110],"detection":[70,180],"were":[71,169],"used.":[72],"In":[73],"this":[74,147],"work,":[75],"cell":[77,197],"has":[78,112],"been":[79,113],"developed":[80],"enables":[82],"\"non-contact\"":[84],"feedthrough":[85],"the":[87,99,107,118,124,150,172],"divergent":[88],"LED":[89],"beam.":[90],"Thus,":[91],"unwanted":[92],"background":[93],"noise":[94],"due":[95],"absorption":[97],"on":[98],"inside":[100],"walls":[101],"minimized.":[103],"As":[104],"part":[105],"development,":[108],"an":[109],"simulation":[111],"carried":[114],"out":[115],"find":[117],"frequencies":[120,168],"and":[121,140],"visualize":[123],"resulting":[125],"standing":[126],"wave":[127],"patterns":[128],"various":[130],"geometries.":[131],"The":[132,165,177],"pressure":[133],"amplitude":[134],"was":[135,156,181],"calculated":[136],"different":[138],"shapes":[139],"sizes.":[141],"A":[142],"model":[143],"iteratively":[144],"optimized":[145],"way":[148],"forms":[149],"basis":[151],"construction":[154],"built":[157],"by":[161],"rapid":[162],"prototyping":[163],"methods.":[164],"real":[166],"compared":[170],"ones":[173],"found":[174],"simulation.":[176],"limit":[178],"determined":[182],"nitrogen":[185],"be":[189],"200":[190],"ppb":[191],"(6":[192],"\u03c3":[193],"made":[198],"aluminum.":[200]},"counts_by_year":[{"year":2026,"cited_by_count":5},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":4}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}
