Evidence map›Paper›PMID 34127669›Full record

ArticleNature communications2021

Pixelated bifunctional metasurface-driven dynamic vectorial holographic color prints for photonic security platform.

Inki Kim, Jaehyuck Jang, Gyeongtae Kim, Jihae Lee, Trevon Badloe, Jungho Mun, Junsuk Rho

Abstract read
In one paragraph

Article in Nature communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 71 papers.

0numbers the graph read from it
0cells of the map it votes in
71citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

71 citing papers in PubMed.

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  13. Bio-Inspired Structural Color Irises as Physical Unclonable Functions for Anti-Counterfeiting.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025
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11 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Inki Kim *Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea.ORCID http://orcid.org/0000-0001-8686-6670
Jaehyuck Jang *Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea.
Gyeongtae Kim *Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea.
Jihae LeeDepartment of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea.
Trevon BadloeDepartment of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea.ORCID http://orcid.org/0000-0001-9458-6062
Jungho MunDepartment of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea.
Junsuk RhoDepartment of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea. jsrho@postech.ac.kr.ORCID http://orcid.org/0000-0002-2179-2890

Funding

Hyundai Motor Group Hyundai Motor Chung Mong-Koo fellowshipNational Research Foundation of Korea (NRF) NRF-2019R1A6A3A13091132National Research Foundation of Korea (NRF) NRF-2021R1C1C2004291Samsung SRFC-IT1901-05
6 · The paper itself

Abstract

Vectorial holography has gained a lot of attention due to the promise of versatile polarization control of structured light for enhanced optical security and multi-channel optical communication. Here, we propose a bifunctional metasurface which combines both structural color printing and vectorial holography with eight polarization channels towards advanced encryption applications. The structural colour prints are observed under white light while the polarization encoded holograms are reconstructed under laser illumination. To encode multiple holographic images for different polarization states, a pixelated metasurface is adopted. As a proof-of-concept, we devise an electrically tunable optical security platform incorporated with liquid crystals. The optical security platform is doubly encrypted: an image under white light is decrypted to provide the first key and the corresponding information is used to fully unlock the encrypted information via projected vectorial holographic images. Such an electrically tunable optical security platform may enable smart labels for security and anticounterfeiting applications.

Identifiers

PMID34127669
PMCPMC8203667

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.