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Title: High-resolution light field prints by nanoscale 3D printing
Authors: Chan, John You En
Ruan, Qifeng
Jiang, Menghua
Wang, Hongtao
Wang, Hao
Zhang, Wang
Qiu, Cheng-Wei 
Yang, Joel K. W.
Issue Date: 17-Jun-2021
Publisher: Nature Research
Citation: Chan, John You En, Ruan, Qifeng, Jiang, Menghua, Wang, Hongtao, Wang, Hao, Zhang, Wang, Qiu, Cheng-Wei, Yang, Joel K. W. (2021-06-17). High-resolution light field prints by nanoscale 3D printing. Nature Communications 12 (1) : 3728. ScholarBank@NUS Repository.
Rights: Attribution 4.0 International
Abstract: A light field print (LFP) displays three-dimensional (3D) information to the naked-eye observer under ambient white light illumination. Changing perspectives of a 3D image are seen by the observer from varying angles. However, LFPs appear pixelated due to limited resolution and misalignment between their lenses and colour pixels. A promising solution to create high-resolution LFPs is through the use of advanced nanofabrication techniques. Here, we use two-photon polymerization lithography as a one-step nanoscale 3D printer to directly fabricate LFPs out of transparent resin. This approach produces simultaneously high spatial resolution (29–45 µm) and high angular resolution (~1.6°) images with smooth motion parallax across 15 × 15 views. Notably, the smallest colour pixel consists of only a single nanopillar (~300 nm diameter). Our LFP signifies a step towards hyper-realistic 3D images that can be applied in print media and security tags for high-value goods. © 2021, The Author(s).
Source Title: Nature Communications
ISSN: 2041-1723
DOI: 10.1038/s41467-021-23964-6
Rights: Attribution 4.0 International
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