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Gaze‐matching eyebox expansion in retinal projection augmented reality display.

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Title: Gaze‐matching eyebox expansion in retinal projection augmented reality display.
Authors: Lin, Jiafu1 (AUTHOR), Fu, Yujing1 (AUTHOR), Chen, Yuang1 (AUTHOR), Wu, Jiangen1 (AUTHOR), Deng, Huan1 (AUTHOR) huandeng@scu.edu.cn
Source: Journal of the Society for Information Display. Jul2025, Vol. 33 Issue 7, p833-841. 9p.
Subjects: Augmented reality, Optical elements, Simulation software, Detectors, Eye tracking, Human beings
Abstract: Eyebox expansion of retinal projection‐based augmented reality display may lead to image deviation from the fovea of the human eye. Hence, this paper proposes an eyebox‐extended retinal projection display (RPD) with gaze‐matching for augmented reality. The system's exit pupil is a composite image combiner composed of three holographic optical elements (HOEs). Each HOE is positioned at a specific location on the waveguide, allowing the diffracted beams to be imaged on the fovea of the human eye. Gaze‐matching is achieved. In the experiment, the RPD systems of the traditional structure and proposed structure were both established in Zemax software for simulation. A detector was added at the retinal position for the comparison of the light distribution when viewing from different viewpoints. Optical experiments were also conducted to record the distribution of light on the receiving screen and observe the display performance of the proposed system. Both simulation and optical experiments show that the proposed system has the ability to project virtual images onto the fovea of the human eye to achieve gaze‐matching. [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: Gaze‐matching eyebox expansion in retinal projection augmented reality display.
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  Data: <searchLink fieldCode="AR" term="%22Lin%2C+Jiafu%22">Lin, Jiafu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fu%2C+Yujing%22">Fu, Yujing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Yuang%22">Chen, Yuang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Jiangen%22">Wu, Jiangen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Deng%2C+Huan%22">Deng, Huan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> huandeng@scu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+the+Society+for+Information+Display%22">Journal of the Society for Information Display</searchLink>. Jul2025, Vol. 33 Issue 7, p833-841. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Augmented+reality%22">Augmented reality</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+elements%22">Optical elements</searchLink><br /><searchLink fieldCode="DE" term="%22Simulation+software%22">Simulation software</searchLink><br /><searchLink fieldCode="DE" term="%22Detectors%22">Detectors</searchLink><br /><searchLink fieldCode="DE" term="%22Eye+tracking%22">Eye tracking</searchLink><br /><searchLink fieldCode="DE" term="%22Human+beings%22">Human beings</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Eyebox expansion of retinal projection‐based augmented reality display may lead to image deviation from the fovea of the human eye. Hence, this paper proposes an eyebox‐extended retinal projection display (RPD) with gaze‐matching for augmented reality. The system's exit pupil is a composite image combiner composed of three holographic optical elements (HOEs). Each HOE is positioned at a specific location on the waveguide, allowing the diffracted beams to be imaged on the fovea of the human eye. Gaze‐matching is achieved. In the experiment, the RPD systems of the traditional structure and proposed structure were both established in Zemax software for simulation. A detector was added at the retinal position for the comparison of the light distribution when viewing from different viewpoints. Optical experiments were also conducted to record the distribution of light on the receiving screen and observe the display performance of the proposed system. Both simulation and optical experiments show that the proposed system has the ability to project virtual images onto the fovea of the human eye to achieve gaze‐matching. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  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.2047
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      – Code: eng
        Text: English
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      – SubjectFull: Augmented reality
        Type: general
      – SubjectFull: Optical elements
        Type: general
      – SubjectFull: Simulation software
        Type: general
      – SubjectFull: Detectors
        Type: general
      – SubjectFull: Eye tracking
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      – SubjectFull: Human beings
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      – TitleFull: Gaze‐matching eyebox expansion in retinal projection augmented reality display.
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            NameFull: Lin, Jiafu
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            NameFull: Fu, Yujing
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            NameFull: Chen, Yuang
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            NameFull: Wu, Jiangen
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            NameFull: Deng, Huan
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            – D: 01
              M: 07
              Text: Jul2025
              Type: published
              Y: 2025
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