{"title":"Integral imaging near-eye 3D display using a nanoimprint metalens array","authors":"Zhi-Bin Fan, Yun-Fan Cheng, Ze-Ming Chen, Xia Liu, Wen-Long Lu, Shi-Hao Li, Shao-Ji Jiang, Zong Qin, Jian-Wen Dong","doi":"10.1186/s43593-023-00055-1","DOIUrl":null,"url":null,"abstract":"<h3>Abstract</h3> <p>Integral imaging (II) display, one of the most critical true-3D display technologies, has received increasing research recently. Significantly, an achromatic metalens array has realized a broadband metalens-array-based II (meta-II). However, the past micro-scale metalens arrays were incompatible with commercial micro-displays; furthermore, the elemental image array (EIA) rendering is always slow. The two hinders in device and algorithm prevent meta-II from being used for practical video-rate near-eye displays (NEDs). This research demonstrates a meta-II NED combining a commercial micro-display and a metalens array. The large-area nanoimprint technology fabricates the metalens array, and a novel real-time rendering algorithm is proposed to generate the EIA. The hardware and software efforts solve the bottlenecks of video-rate meta-II displays. We also build a see-through prototype based on our meta-II NED, demonstrating the feasibility of augmented reality. Our work explores the potential of video-rate meta-II displays, which we expect can be valuable for future virtual and augmented reality.</p>","PeriodicalId":72891,"journal":{"name":"eLight","volume":null,"pages":null},"PeriodicalIF":27.2000,"publicationDate":"2024-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"eLight","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1186/s43593-023-00055-1","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"OPTICS","Score":null,"Total":0}
引用次数: 0
Abstract
Integral imaging (II) display, one of the most critical true-3D display technologies, has received increasing research recently. Significantly, an achromatic metalens array has realized a broadband metalens-array-based II (meta-II). However, the past micro-scale metalens arrays were incompatible with commercial micro-displays; furthermore, the elemental image array (EIA) rendering is always slow. The two hinders in device and algorithm prevent meta-II from being used for practical video-rate near-eye displays (NEDs). This research demonstrates a meta-II NED combining a commercial micro-display and a metalens array. The large-area nanoimprint technology fabricates the metalens array, and a novel real-time rendering algorithm is proposed to generate the EIA. The hardware and software efforts solve the bottlenecks of video-rate meta-II displays. We also build a see-through prototype based on our meta-II NED, demonstrating the feasibility of augmented reality. Our work explores the potential of video-rate meta-II displays, which we expect can be valuable for future virtual and augmented reality.
摘要 积分成像（II）显示技术是最关键的真三维显示技术之一，近来得到了越来越多的研究。值得注意的是，消色差金属膜阵列实现了基于金属膜阵列的宽带 II（meta-II）。然而，过去的微尺度金属伦斯阵列与商用微型显示器不兼容，而且元素图像阵列（EIA）的渲染速度总是很慢。设备和算法上的两个障碍阻碍了元 II 用于实用视频速率近眼显示器（NED）。这项研究展示了一种结合了商用微型显示器和金属膜阵列的元 II NED。大面积纳米压印技术制造了金属膜阵列，并提出了一种新颖的实时渲染算法来生成 EIA。硬件和软件方面的努力解决了视频速率元 II 显示器的瓶颈问题。我们还基于元 II NED 建立了一个透视原型，证明了增强现实的可行性。我们的工作探索了视频速率元 II 显示器的潜力，我们希望它能对未来的虚拟现实和增强现实有价值。
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