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A novel dual-phase retrieval method for fluctuation-resistant dual-wavelength random phase-shifting interferometry.

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Title: A novel dual-phase retrieval method for fluctuation-resistant dual-wavelength random phase-shifting interferometry.
Authors: Xu, Xiaoqing1 (AUTHOR) xxqyzzd@sina.com, Zhou, Yi1,2 (AUTHOR)
Source: Journal of Modern Optics. Nov/Dec2025, Vol. 72 Issue 19-21, p889-899. 11p.
Subjects: Phase-shifting interferometry, Wavelengths, Microspheres, Least squares
Abstract: The coupled effect of random phase-shift errors and fluctuation errors has a significant impact on the accuracy of dual-phase extraction in fluctuation-resistant dual-wavelength phase-shifting interferometry. To compensate for these two errors, a novel dual-phase retrieval method (DPRM) using the least-squares algorithm is proposed. This method not only can address dual-wavelength-multiplexed interferograms with random phase shifts but also can cope with dual-wavelength interferograms possessing the fluctuation errors. The phases and the phase shifts at each wavelength with high accuracy can be obtained with DPRM. Subsequently, the phase of the longer or shorter synthetic wavelength, which is yielded by subtraction or addition operation, respectively, is investigated. Finally, the feasibility and applicability of DPRM are demonstrated by the micro-sphere, the HeLa cell and the spherical cap, respectively. Moreover, discussions on iterative issue and synthetic phase issue of DPRM are also presented. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Modern Optics is the property of Taylor & Francis Ltd 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: 189730783
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: A novel dual-phase retrieval method for fluctuation-resistant dual-wavelength random phase-shifting interferometry.
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  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Xu%2C+Xiaoqing%22">Xu, Xiaoqing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> xxqyzzd@sina.com</i><br /><searchLink fieldCode="AR" term="%22Zhou%2C+Yi%22">Zhou, Yi</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Modern+Optics%22">Journal of Modern Optics</searchLink>. Nov/Dec2025, Vol. 72 Issue 19-21, p889-899. 11p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Phase-shifting+interferometry%22">Phase-shifting interferometry</searchLink><br /><searchLink fieldCode="DE" term="%22Wavelengths%22">Wavelengths</searchLink><br /><searchLink fieldCode="DE" term="%22Microspheres%22">Microspheres</searchLink><br /><searchLink fieldCode="DE" term="%22Least+squares%22">Least squares</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The coupled effect of random phase-shift errors and fluctuation errors has a significant impact on the accuracy of dual-phase extraction in fluctuation-resistant dual-wavelength phase-shifting interferometry. To compensate for these two errors, a novel dual-phase retrieval method (DPRM) using the least-squares algorithm is proposed. This method not only can address dual-wavelength-multiplexed interferograms with random phase shifts but also can cope with dual-wavelength interferograms possessing the fluctuation errors. The phases and the phase shifts at each wavelength with high accuracy can be obtained with DPRM. Subsequently, the phase of the longer or shorter synthetic wavelength, which is yielded by subtraction or addition operation, respectively, is investigated. Finally, the feasibility and applicability of DPRM are demonstrated by the micro-sphere, the HeLa cell and the spherical cap, respectively. Moreover, discussions on iterative issue and synthetic phase issue of DPRM are also presented. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Modern Optics is the property of Taylor & Francis Ltd 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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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1080/09500340.2025.2528846
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 11
        StartPage: 889
    Subjects:
      – SubjectFull: Phase-shifting interferometry
        Type: general
      – SubjectFull: Wavelengths
        Type: general
      – SubjectFull: Microspheres
        Type: general
      – SubjectFull: Least squares
        Type: general
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      – TitleFull: A novel dual-phase retrieval method for fluctuation-resistant dual-wavelength random phase-shifting interferometry.
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            NameFull: Xu, Xiaoqing
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            NameFull: Zhou, Yi
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            – D: 01
              M: 11
              Text: Nov/Dec2025
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              Y: 2025
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              Value: 19-21
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            – TitleFull: Journal of Modern Optics
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