光子学突破2024：基于高精度光束方向性的大视角光场3D显示

IF 2.1 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Photonics Journal Pub Date : 2025-03-14 DOI:10.1109/JPHOT.2025.3551384

Cheng-Bo Zhao;Yi-Jian Liu;Yuan-Yi Huang;Xiao-Tian Zhang;Yan Xing;Qiong-Hua Wang

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引用次数: 0

摘要

光场3D显示技术为观众提供了高度逼真的立体视觉体验，实现了真实舒适的裸眼3D显示效果。近年来，它已成为显示技术领域的一个突出的研究热点。然而，光场3D显示仍然受到视角和分辨率限制的挑战，严重阻碍了其发展。提出了一种基于高精度光束定向的大视角光场三维显示技术。为了提高大视场范围内三维图像的分辨率，采用复合微透镜阵列优化显示光源，实现了发散角为±2.7°的高定向光束。此外，采用透镜阵列重建密集排列的光场，实现大视角。在实验中，实现了100°视角，并保持了正确的几何遮挡关系和平滑的运动视差。此外，该显示器结构紧凑，适用于刷新率为30 Hz的全彩可切换动态光场3D显示。我们期望所提出的显示器将有助于光场3D显示器的进一步发展。

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Photonics Breakthroughs 2024: Large-Viewing-Angle Light Field 3D Display Based on High-Precision Beam Directionality

Light field 3D display technology provides viewers with a highly realistic stereoscopic visual experience and achieves authentic and comfortable glasses-free 3D display effects. In recent years, it has become a prominent research focus in the field of display technology. However, light field 3D display is still constrained by the challenges of limited viewing angle and resolution, which significantly impede its advancement. This paper presents a large-viewing-angle light field 3D display based on high-precision beam directionality. To enhance the resolution of 3D images within large viewing range, a highly directional light beam with a divergence angle of ±2.7° is achieved by optimizing the display light sources with a compound microlens array. Additionally, a lenticular lens array is employed to reconstruct densely arranged light fields and achieve a large viewing angle. In the experiments, a 100° viewing angle is achieved and it maintains correct geometric occlusion relationships and smooth motion parallax. In addition, the display has a compact architecture and is suitable for the full-color and switchable dynamic light field 3D display with refresh rate of 30 Hz. We expect the proposed display will contribute to the further development of light field 3D displays.

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来源期刊

IEEE Photonics Journal ENGINEERING, ELECTRICAL & ELECTRONIC-OPTICS

CiteScore

4.50

自引率

8.30%

发文量

489

审稿时长

1.4 months

期刊介绍： Breakthroughs in the generation of light and in its control and utilization have given rise to the field of Photonics, a rapidly expanding area of science and technology with major technological and economic impact. Photonics integrates quantum electronics and optics to accelerate progress in the generation of novel photon sources and in their utilization in emerging applications at the micro and nano scales spanning from the far-infrared/THz to the x-ray region of the electromagnetic spectrum. IEEE Photonics Journal is an online-only journal dedicated to the rapid disclosure of top-quality peer-reviewed research at the forefront of all areas of photonics. Contributions addressing issues ranging from fundamental understanding to emerging technologies and applications are within the scope of the Journal. The Journal includes topics in: Photon sources from far infrared to X-rays, Photonics materials and engineered photonic structures, Integrated optics and optoelectronic, Ultrafast, attosecond, high field and short wavelength photonics, Biophotonics, including DNA photonics, Nanophotonics, Magnetophotonics, Fundamentals of light propagation and interaction; nonlinear effects, Optical data storage, Fiber optics and optical communications devices, systems, and technologies, Micro Opto Electro Mechanical Systems (MOEMS), Microwave photonics, Optical Sensors.