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Polarization-selective splitter with double structure periodic ridges.

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Title: Polarization-selective splitter with double structure periodic ridges.
Authors: Lin, Zefan1 (AUTHOR) 2112015085@mail2.gdut.edu.cn, Wang, Bo1 (AUTHOR) wangb_wsx@yeah.net
Source: Optical Engineering. Apr2021, Vol. 60 Issue 4, p45108-45108. 1p.
Subjects: Finite element method, Beam splitters, Radarsat satellites, Holographic gratings, Uniformity
Abstract: A dual-function beam separation grating with double structure periodic ridges is proposed. The parameters of the grating structure and characteristics of the incident light are all optimized by the finite-element method and rigorous coupled-wave analysis, so the grating can display the polarization-selective characteristic. At the parameter values that will be discussed in Sec. 2, the diffraction efficiency of the zeroth order, first order, and second order for transverse electric (TE) polarization is 32.30%, 32.34% and 32.30%, respectively, and the uniformity is calculated to be 99.88%. For transverse magnetic (TM) polarization, the reflectivity of the zeroth order and second order is 47.23% and 47.24%, respectively, and the uniformity of two ports is 99.97%. Compared with most previously reported polarization-selective beam splitters that achieve single-port output for TE polarization and dual-port output for TM polarization, the grating realizes TE-three/TM-two output with a decent diffraction efficiency uniformity. [ABSTRACT FROM AUTHOR]
Copyright of Optical Engineering is the property of SPIE - International Society of Optical Engineering 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: 150110827
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: Polarization-selective splitter with double structure periodic ridges.
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  Data: <searchLink fieldCode="AR" term="%22Lin%2C+Zefan%22">Lin, Zefan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 2112015085@mail2.gdut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Bo%22">Wang, Bo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> wangb_wsx@yeah.net</i>
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  Data: <searchLink fieldCode="JN" term="%22Optical+Engineering%22">Optical Engineering</searchLink>. Apr2021, Vol. 60 Issue 4, p45108-45108. 1p.
– Name: Subject
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  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Beam+splitters%22">Beam splitters</searchLink><br /><searchLink fieldCode="DE" term="%22Radarsat+satellites%22">Radarsat satellites</searchLink><br /><searchLink fieldCode="DE" term="%22Holographic+gratings%22">Holographic gratings</searchLink><br /><searchLink fieldCode="DE" term="%22Uniformity%22">Uniformity</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A dual-function beam separation grating with double structure periodic ridges is proposed. The parameters of the grating structure and characteristics of the incident light are all optimized by the finite-element method and rigorous coupled-wave analysis, so the grating can display the polarization-selective characteristic. At the parameter values that will be discussed in Sec. 2, the diffraction efficiency of the zeroth order, first order, and second order for transverse electric (TE) polarization is 32.30%, 32.34% and 32.30%, respectively, and the uniformity is calculated to be 99.88%. For transverse magnetic (TM) polarization, the reflectivity of the zeroth order and second order is 47.23% and 47.24%, respectively, and the uniformity of two ports is 99.97%. Compared with most previously reported polarization-selective beam splitters that achieve single-port output for TE polarization and dual-port output for TM polarization, the grating realizes TE-three/TM-two output with a decent diffraction efficiency uniformity. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Optical Engineering is the property of SPIE - International Society of Optical Engineering 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:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1117/1.OE.60.4.045108
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: 45108
    Subjects:
      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Beam splitters
        Type: general
      – SubjectFull: Radarsat satellites
        Type: general
      – SubjectFull: Holographic gratings
        Type: general
      – SubjectFull: Uniformity
        Type: general
    Titles:
      – TitleFull: Polarization-selective splitter with double structure periodic ridges.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Lin, Zefan
      – PersonEntity:
          Name:
            NameFull: Wang, Bo
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          Dates:
            – D: 01
              M: 04
              Text: Apr2021
              Type: published
              Y: 2021
          Identifiers:
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              Value: 00913286
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              Value: 60
            – Type: issue
              Value: 4
          Titles:
            – TitleFull: Optical Engineering
              Type: main
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