Characterization and design of a freeform holographic optical element

Yang, Yuhua; Deng, Linxiao; Liquan, Zhu; Yao, Binghui; Ma, Xiang; Gu, Chun; Xu, Lixin

doi:10.1016/j.ijleo.2023.170788

Optik

2023

DOI: 10.1016/j.ijleo.2023.170788

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Characterization and design of a freeform holographic optical element

Yuhua Yang

Linxiao Deng

Zhu Liquan

et al.

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2023

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Using high-diffraction-efficiency holographic optical elements in a full-color augmented reality display system

Chen¹,

Yang²,

Liu³

et al. 2023

Opt. Express

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Holographic optical elements (HOEs) play an important role in augmented reality (AR) systems. However, the fabrication of full-color HOEs is difficult and the diffraction efficiency is low. In this paper, we use the time-scheduled iterative exposure method to fabricate full-color HOEs with high diffraction efficiency. Through this method, a full-color HOE with an average diffraction efficiency of 73.4% was implemented in a single photopolymer, the highest rate yet reported. In addition, the AR system is simulated by the geometric optics method combining k-vector circle and ray tracing and structured by combining laser micro-drop and high diffraction efficiency HOEs. A good color blending effect was achieved in a full-color AR system by using the reconstruction wavelength consistent with the recording light. It can present clear holographic images in a full-color AR display system.

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Using high-diffraction-efficiency holographic optical elements in a full-color augmented reality display system

Chen¹,

Yang²,

Liu³

et al. 2023

Opt. Express

View full text Add to dashboard Cite

show abstract

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Characterization and design of a freeform holographic optical element

Cited by 1 publication

References 29 publications

Using high-diffraction-efficiency holographic optical elements in a full-color augmented reality display system

Using high-diffraction-efficiency holographic optical elements in a full-color augmented reality display system

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