{"id":"https://openalex.org/W2052223158","doi":"https://doi.org/10.1117/12.355083","title":"How knowledge about speckle intensity and phase gradients can improve electronic speckle pattern interferometry","display_name":"How knowledge about speckle intensity and phase gradients can improve electronic speckle pattern interferometry","publication_year":1999,"publication_date":"1999-07-19","ids":{"openalex":"https://openalex.org/W2052223158","doi":"https://doi.org/10.1117/12.355083","mag":"2052223158"},"language":"en","primary_location":{"id":"doi:10.1117/12.355083","doi":"https://doi.org/10.1117/12.355083","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.355083","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1"],"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","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/A5078680807","display_name":"Heinz Helmers","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I129877168","display_name":"Carl von Ossietzky Universit\u00e4t Oldenburg","ror":"https://ror.org/033n9gh91","country_code":"DE","type":"education","lineage":["https://openalex.org/I129877168"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Heinz Helmers","raw_affiliation_strings":["Carl von Ossietzky Univ. Oldenburg (Germany)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Carl von Ossietzky Univ. Oldenburg (Germany)","institution_ids":["https://openalex.org/I129877168"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5025862863","display_name":"Jan Burke","orcid":"https://orcid.org/0000-0002-0608-4765","observed_orcids":["https://orcid.org/0000-0002-0608-4765"]},"institutions":[{"id":"https://openalex.org/I129877168","display_name":"Carl von Ossietzky Universit\u00e4t Oldenburg","ror":"https://ror.org/033n9gh91","country_code":"DE","type":"education","lineage":["https://openalex.org/I129877168"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Jan Burke","raw_affiliation_strings":["Carl von Ossietzky Univ. Oldenburg (Germany)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Carl von Ossietzky Univ. Oldenburg (Germany)","institution_ids":["https://openalex.org/I129877168"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I129877168"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.2199902,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":93},"biblio":{"volume":"3749","issue":null,"first_page":"216","last_page":"217"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10638","display_name":"Optical measurement and interference techniques","score":1.0,"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":1.0,"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/T11897","display_name":"Digital Holography and Microscopy","score":0.0,"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/T11484","display_name":"Adaptive optics and wavefront sensing","score":0.0,"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/electronic-speckle-pattern-interferometry","display_name":"electronic speckle pattern interferometry","score":0.996999979019165},{"id":"https://openalex.org/keywords/phase-gradient","display_name":"phase gradient","score":0.906000018119812},{"id":"https://openalex.org/keywords/spatial-coherence","display_name":"spatial coherence","score":0.7900000214576721},{"id":"https://openalex.org/keywords/spatial-phase-shifting","display_name":"spatial phase shifting","score":0.8820000290870667},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"noise reduction","score":0.7680000066757202},{"id":"https://openalex.org/keywords/deformation-measurement","display_name":"deformation measurement","score":0.8190000057220459},{"id":"https://openalex.org/keywords/speckle-patterns","display_name":"speckle patterns","score":0.5210000276565552}],"concepts":[{"id":"https://openalex.org/C102290492","wikidata":"https://www.wikidata.org/wiki/Q7575045","display_name":"Speckle pattern","level":2,"score":0.9506238698959351},{"id":"https://openalex.org/C2781181686","wikidata":"https://www.wikidata.org/wiki/Q4226068","display_name":"Coherence (philosophical gambling strategy)","level":2,"score":0.7620856761932373},{"id":"https://openalex.org/C180940675","wikidata":"https://www.wikidata.org/wiki/Q7575045","display_name":"Speckle noise","level":3,"score":0.6835212111473083},{"id":"https://openalex.org/C172991262","wikidata":"https://www.wikidata.org/wiki/Q5358427","display_name":"Electronic speckle pattern interferometry","level":3,"score":0.6733051538467407},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.6482967138290405},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.6199684143066406},{"id":"https://openalex.org/C2985909886","wikidata":"https://www.wikidata.org/wiki/Q193147","display_name":"Spatial coherence","level":3,"score":0.5510894060134888},{"id":"https://openalex.org/C99507719","wikidata":"https://www.wikidata.org/wiki/Q1504755","display_name":"Speckle imaging","level":3,"score":0.5201254487037659},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5030743479728699},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.48344478011131287},{"id":"https://openalex.org/C168553754","wikidata":"https://www.wikidata.org/wiki/Q1778793","display_name":"Coherence length","level":3,"score":0.4611395299434662},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.4172112047672272},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3509644865989685},{"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/C54101563","wikidata":"https://www.wikidata.org/wiki/Q124131","display_name":"Superconductivity","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1117/12.355083","doi":"https://doi.org/10.1117/12.355083","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.355083","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1"],"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-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":1,"referenced_works":["https://openalex.org/W1964568947"],"related_works":["https://openalex.org/W2024977305","https://openalex.org/W1975036748","https://openalex.org/W2010009001","https://openalex.org/W2727313114","https://openalex.org/W2904052757","https://openalex.org/W2085191303","https://openalex.org/W2069461136","https://openalex.org/W2058411108","https://openalex.org/W1969822571","https://openalex.org/W2003377437"],"abstract_inverted_index":{"As":[0],"is":[1,11,71],"well":[2],"known,":[3],"the":[4,17,24,29,32,38,49,81,84,90,99],"spatial":[5,68],"coherence":[6,25,41],"in":[7,73,89,101],"a":[8,35],"speckle":[9,19,75,92],"field":[10],"limited":[12],"to":[13,31,97],"an":[14],"area":[15],"called":[16],"mean":[18],"size.":[20],"Throughout":[21],"this":[22],"area,":[23],"decays":[26],"smoothly":[27],"from":[28],"center":[30],"margin":[33],"of":[34,40,52,64],"speckle,":[36],"and":[37,46,59,86],"degree":[39],"between":[42,54],"two":[43],"points":[44],"(x1,y1)":[45],"(x2,y2)":[47],"determines":[48],"probable":[50],"amount":[51],"deviations":[53,62],"their":[55],"intensities":[56],"I1,":[57],"I2":[58],"phases.":[60],"These":[61],"are":[63],"special":[65],"importance":[66],"when":[67],"phase":[69,87],"shifting":[70],"applied":[72],"electronic":[74],"pattern":[76,93],"interferometry.":[77],"We":[78],"demonstrate":[79],"that":[80],"knowledge":[82],"about":[83],"intensity":[85],"gradients":[88],"object":[91],"can":[94],"be":[95],"used":[96],"reduce":[98],"noise":[100],"measured":[102],"deformation":[103],"maps":[104],"significantly.":[105]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-09-29T14:09:16.559479","created_date":"2016-06-24T00:00:00"}