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Near-field spatial coherence of structured incoherent optical sources

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Maurya, Somendu
dc.contributor.author Nyman, Markus
dc.contributor.author Kaivola, Matti
dc.contributor.author Shevchenko, Andriy
dc.date.accessioned 2020-11-30T08:14:11Z
dc.date.available 2020-11-30T08:14:11Z
dc.date.issued 2020-11-10
dc.identifier.citation Maurya , S , Nyman , M , Kaivola , M & Shevchenko , A 2020 , ' Near-field spatial coherence of structured incoherent optical sources ' , Physical Review A , vol. 102 , no. 5 , 053509 . https://doi.org/10.1103/PhysRevA.102.053509 en
dc.identifier.issn 2469-9926
dc.identifier.issn 2469-9934
dc.identifier.other PURE UUID: 545a2ef7-a81a-40b3-9e09-e5b28bdcd893
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/545a2ef7-a81a-40b3-9e09-e5b28bdcd893
dc.identifier.other PURE LINK: http://www.scopus.com/inward/record.url?scp=85096339847&partnerID=8YFLogxK
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/53491277/Maurya_Near_field.PhysRevA.102.053509.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/61701
dc.description.abstract Spatial coherence is a fundamental property of light with many applications. However, if a light source is spatially incoherent and structured, its near-field coherence is difficult to evaluate directly because of the complexity of the emitted random light. In this work, we propose a general approach to calculate the near-field mutual intensity and transverse coherence length of propagating radiation from a periodically structured incoherent source using optical reciprocity. If the structure period is subwavelength and much smaller than the source, the mutual intensity reduces to a Fourier transform of the angular intensity spectrum of the radiation. Tailoring the near-field spatial coherence of incoherent sources by structuring can be used, e.g., for applications in optical sensing and imaging. en
dc.format.extent 8
dc.format.mimetype application/pdf
dc.language.iso en en
dc.publisher American Physical Society
dc.relation.ispartofseries Physical Review A en
dc.relation.ispartofseries Volume 102, issue 5 en
dc.rights openAccess en
dc.title Near-field spatial coherence of structured incoherent optical sources en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Applied Physics
dc.contributor.department Optics and Photonics
dc.subject.keyword spatial coherence
dc.identifier.urn URN:NBN:fi:aalto-2020113020546
dc.identifier.doi 10.1103/PhysRevA.102.053509
dc.type.version publishedVersion

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