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Intensity correlation imaging with sunlight-like source.

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Title: Intensity correlation imaging with sunlight-like source.
Authors: Wang, Wentao1, Zheng, Huaibin1, Chen, Hui1, Liu, Jinbin1, Xu, Zhuo1, Tang, Zhiguo1,2, Yuan, Yuan3, Liu, Yanyan4
Source: Optics Communications. May2018, Vol. 414, p92-97. 6p.
Subjects: Coherence (Optics), Optical correlation, Image processing, Light filters, Intensity interferometers, Optical measurements
Abstract: We show a method of intensity correlation imaging of targets illuminated by a sunlight-like source both theoretically and experimentally. With a Faraday anomalous dispersion optical filter (FADOF), we have modulated the coherence time of a thermal source up to 0.167 ns. And we carried out measurements of temporal and spatial correlations, respectively, with an intensity interferometer setup. By skillfully using the even Fourier fitting on the very sparse sampling data, the images of targets are successfully reconstructed from the low signal-noise-ratio(SNR) interference pattern by applying an iterative phase retrieval algorithm. The resulting imaging quality is as well as the one obtained by the theoretical fitting. The realization of such a case will bring this technique closer to geostationary satellite imaging illuminated by sunlight. [ABSTRACT FROM AUTHOR]
Copyright of Optics Communications is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 127920713
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Intensity correlation imaging with sunlight-like source.
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  Data: <searchLink fieldCode="JN" term="%22Optics+Communications%22">Optics Communications</searchLink>. May2018, Vol. 414, p92-97. 6p.
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  Data: We show a method of intensity correlation imaging of targets illuminated by a sunlight-like source both theoretically and experimentally. With a Faraday anomalous dispersion optical filter (FADOF), we have modulated the coherence time of a thermal source up to 0.167 ns. And we carried out measurements of temporal and spatial correlations, respectively, with an intensity interferometer setup. By skillfully using the even Fourier fitting on the very sparse sampling data, the images of targets are successfully reconstructed from the low signal-noise-ratio(SNR) interference pattern by applying an iterative phase retrieval algorithm. The resulting imaging quality is as well as the one obtained by the theoretical fitting. The realization of such a case will bring this technique closer to geostationary satellite imaging illuminated by sunlight. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Optics Communications is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.optcom.2018.01.011
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      – Code: eng
        Text: English
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        PageCount: 6
        StartPage: 92
    Subjects:
      – SubjectFull: Coherence (Optics)
        Type: general
      – SubjectFull: Optical correlation
        Type: general
      – SubjectFull: Image processing
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      – SubjectFull: Light filters
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      – SubjectFull: Intensity interferometers
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      – SubjectFull: Optical measurements
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      – TitleFull: Intensity correlation imaging with sunlight-like source.
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            NameFull: Wang, Wentao
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            NameFull: Xu, Zhuo
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            NameFull: Tang, Zhiguo
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              M: 05
              Text: May2018
              Type: published
              Y: 2018
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              Value: 414
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