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High computational density nanophotonic media for machine learning inference. [PDF]

open access: yesNat Commun
Zhao Z   +11 more
europepmc   +1 more source

Polarization-Independent and Electrically Tunable Polymerized Liquid Crystal Optical Elements. [PDF]

open access: yesACS Photonics
Xu Z   +6 more
europepmc   +1 more source
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Luminescent Erbium‐Doped Silicon Thin Films for Advanced Anti‐Counterfeit Labels

Advanced Materials, 2021
The never‐ending struggle against counterfeit demands the constant development of security labels and their fabrication methods. This study demonstrates a novel type of security label based on downconversion photoluminescence from erbium‐doped silicon ...
Alexey M Mozharov   +2 more
exaly   +2 more sources

Label-free biomedical optical imaging

Nature Photonics, 2023
Label-free optical imaging employs natural and nondestructive approaches for the visualisation of biomedical samples for both biological assays and clinical diagnosis. Currently, this field revolves around multiple broad technology-oriented communities, each with a specific focus on a particular modality despite the existence of shared challenges and ...
Natan T. Shaked   +3 more
openaire   +3 more sources

Chiroptical Nanocellulose Bio-Labels for Independent Multi-Channel Optical Encryption.

Small, 2023
Advanced multiplexing optical labels with multiple information channels provide a powerful strategy for large-capacity and high-security information encryption.
Yi Zhou   +6 more
semanticscholar   +1 more source

SERS Labels for Optical Anticounterfeiting: Structure, Fabrication, and Performance

Advanced Optical Materials, 2023
Developing new anticounterfeit technologies with good robustness, high safety index, strong readability, and low cost is highly demanded but challenging.
Yujing Sun   +4 more
semanticscholar   +1 more source

Multimodal, Convertible, and Chiral Optical Films for Anti‐Counterfeiting Labels

Advanced Functional Materials, 2022
Designing a sustainable security model that carries multilevel information with numerous optical states will significantly enhance anti‐counterfeiting abilities to deter counterfeits, ranging from artworks, currencies, and foods to medicines, but is ...
Fusheng Zhang   +8 more
semanticscholar   +1 more source

Inkjet-Printed Quantum Dot Fluorescent Security Labels with Triple-Level Optical Encryption.

ACS Applied Materials and Interfaces, 2021
Optical security labels play a significant role in protecting both our wealth and health. However, simultaneously meeting the requirements including low-cost fabrication, easy detection, and high-level security is still challenging for security labels ...
Xin Zheng   +15 more
semanticscholar   +1 more source

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