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High‐resolution aerial 3D display based on lens‐enhanced aerial imaging by retro‐reflection (LeAIRR) and light‐field display.

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Title: High‐resolution aerial 3D display based on lens‐enhanced aerial imaging by retro‐reflection (LeAIRR) and light‐field display.
Authors: Takiyama, Kazuaki1,2 (AUTHOR), Iwane, Toru1 (AUTHOR), Suyama, Shiro1 (AUTHOR), Yamamoto, Hirotsugu1 (AUTHOR) hirotsugu@yamamotolab.science
Source: Journal of the Society for Information Display. May2025, Vol. 33 Issue 5, p472-481. 10p.
Subjects: Diffractive scattering, Three-dimensional imaging, Transfer functions, Prisms, Prototypes
Abstract: We present a high‐resolution aerial 3D display that was developed by combining lens‐enhanced aerial imaging by retro‐reflection (LeAIRR) with a light‐field display. The display forms a high‐resolution 3D image that is floating in mid‐air. LeAIRR reduces image degradation caused by the micro‐corner‐cube prisms in the retro‐reflector. The prisms cause ray shift and diffraction, which decrease the resolution. The edges of prisms also cause scattering, which decreases the contrast. LeAIRR reduces diffraction and scattering effects by employing a lens to make the aerial image and the retro‐reflector optically conjugate, after which the retro‐reflected light is focused by a convex lens. Furthermore, the convex lens performs optically reduced imaging of the corner‐cube prisms on the aerial image position. Thus, the ray shifts caused by the prisms are reduced. Our prototype of the aerial 3D display provides the contrast transfer function (CTF) to be 2.5 times better than the conventional aerial 3D display based on the AIRR optical system. [ABSTRACT FROM AUTHOR]
Copyright of Journal of the Society for Information Display is the property of Wiley-Blackwell 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.)
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  Data: High‐resolution aerial 3D display based on lens‐enhanced aerial imaging by retro‐reflection (LeAIRR) and light‐field display.
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  Data: <searchLink fieldCode="AR" term="%22Takiyama%2C+Kazuaki%22">Takiyama, Kazuaki</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Iwane%2C+Toru%22">Iwane, Toru</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Suyama%2C+Shiro%22">Suyama, Shiro</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yamamoto%2C+Hirotsugu%22">Yamamoto, Hirotsugu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> hirotsugu@yamamotolab.science</i>
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  Data: <searchLink fieldCode="DE" term="%22Diffractive+scattering%22">Diffractive scattering</searchLink><br /><searchLink fieldCode="DE" term="%22Three-dimensional+imaging%22">Three-dimensional imaging</searchLink><br /><searchLink fieldCode="DE" term="%22Transfer+functions%22">Transfer functions</searchLink><br /><searchLink fieldCode="DE" term="%22Prisms%22">Prisms</searchLink><br /><searchLink fieldCode="DE" term="%22Prototypes%22">Prototypes</searchLink>
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  Label: Abstract
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  Data: We present a high‐resolution aerial 3D display that was developed by combining lens‐enhanced aerial imaging by retro‐reflection (LeAIRR) with a light‐field display. The display forms a high‐resolution 3D image that is floating in mid‐air. LeAIRR reduces image degradation caused by the micro‐corner‐cube prisms in the retro‐reflector. The prisms cause ray shift and diffraction, which decrease the resolution. The edges of prisms also cause scattering, which decreases the contrast. LeAIRR reduces diffraction and scattering effects by employing a lens to make the aerial image and the retro‐reflector optically conjugate, after which the retro‐reflected light is focused by a convex lens. Furthermore, the convex lens performs optically reduced imaging of the corner‐cube prisms on the aerial image position. Thus, the ray shifts caused by the prisms are reduced. Our prototype of the aerial 3D display provides the contrast transfer function (CTF) to be 2.5 times better than the conventional aerial 3D display based on the AIRR optical system. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Journal of the Society for Information Display is the property of Wiley-Blackwell 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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    Identifiers:
      – Type: doi
        Value: 10.1002/jsid.2056
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      – Code: eng
        Text: English
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        PageCount: 10
        StartPage: 472
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      – SubjectFull: Diffractive scattering
        Type: general
      – SubjectFull: Three-dimensional imaging
        Type: general
      – SubjectFull: Transfer functions
        Type: general
      – SubjectFull: Prisms
        Type: general
      – SubjectFull: Prototypes
        Type: general
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      – TitleFull: High‐resolution aerial 3D display based on lens‐enhanced aerial imaging by retro‐reflection (LeAIRR) and light‐field display.
        Type: main
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            NameFull: Takiyama, Kazuaki
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            NameFull: Iwane, Toru
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            NameFull: Suyama, Shiro
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            NameFull: Yamamoto, Hirotsugu
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          Dates:
            – D: 01
              M: 05
              Text: May2025
              Type: published
              Y: 2025
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              Value: 33
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              Value: 5
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            – TitleFull: Journal of the Society for Information Display
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