Articles with "optics" as a keyword



Structural Changes in Acute Macular Neuroretinopathy Revealed With Adaptive Optics Optical Coherence Tomography.

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Published in 2023 at "JAMA ophthalmology"

DOI: 10.1001/jamaophthalmol.2022.6394

Abstract: This case report discusses a patient with acute macular neuroretinopathy with retinal structural changes in whom adaptive optics imaging was used to elucidate the origin of an infrared reflectance hyporeflectivity lesion. read more here.

Keywords: adaptive optics; optics; macular neuroretinopathy; acute macular ... See more keywords

Optoretinography and Adaptive Optics Microperimetry in a Patient With AZOOR.

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Published in 2025 at "JAMA ophthalmology"

DOI: 10.1001/jamaophthalmol.2025.3829

Abstract: This report discusses a case of acute zonal outer occult retinopathy (AZOOR) that uses multimodal high-resolution imaging to demonstrate that the locus of vision loss initiates as early as phototransduction. read more here.

Keywords: microperimetry patient; optics; optics microperimetry; adaptive optics ... See more keywords

The influence of beam optics asymmetric distribution on dose in scanning carbon‐ion radiotherapy

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Published in 2022 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13656

Abstract: Abstract Purpose To quantify the influence of beam optics asymmetric distribution on dose. Methods Nine reference cubic targets and corresponding plans with modulation widths (M) of 3, 6, and 9 cm and with center depths… read more here.

Keywords: influence; optics; optics asymmetric; beam optics ... See more keywords

Low Loss Chip‐to‐Chip Couplers for High‐Density Co‐Packaged Optics

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Published in 2024 at "Advanced Engineering Materials"

DOI: 10.1002/adem.202402095

Abstract: An experimentally demonstrated, vertical chip‐to‐chip evanescent coupler between silicon nitride (SiN x$_{x}$ ) and silicon (Si) is presented with the coupler loss measured to be 0.39  ±$\pm$  1.06 dB at 1550 nm with a 1‐dB bandwidth of… read more here.

Keywords: loss; chip chip; tolerance; optics ... See more keywords

Bioinspired Hierarchical Liquid‐Metacrystal Fibers for Chiral Optics and Advanced Textiles

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Published in 2020 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202002193

Abstract: The organization of nanoparticles in constrained geometries has attracted increasing attention due to their promising structures and topologies. However, the control of hierarchical structures with tailored periodicity at different length scales and topology stabilization in… read more here.

Keywords: optics; metacrystal fibers; bioinspired hierarchical; liquid metacrystal ... See more keywords

Dynamic Chiro‐Optics of Bio‐Inorganic Nanomaterials via Seamless Co‐Assembly of Semiconducting Nanorods and Polysaccharide Nanocrystals

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Published in 2021 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202104596

Abstract: This study demonstrates a novel chiral organization of multi‐materials from semiconducting quantum nanorods (QNRs) co‐assembled into chiral nematic polysaccharide (cellulose) nanocrystals for active manipulation of chiro‐optical light emission properties in elastomeric materials. Highly emissive anisotropic… read more here.

Keywords: optics; chiro optics; dynamic chiro; bio inorganic ... See more keywords

Amplification of Light‐Induced Helix Inversion of Intrinsically Chiral Diarylethene Molecular Switches

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202312831

Abstract: Photonics and tunable optics are rapidly developing fields that require materials with programmable properties and advanced functionalities. Cholesteric liquid crystals (CLCs) are unique materials that exhibit selective light reflection and can be tuned using stimuli‐responsive… read more here.

Keywords: optics; light; intrinsically chiral; inversion ... See more keywords

Gas Adsorption Mechanism on 2D Materials: The Hyperpolarizability Evolution Analyzed by Nonlinear Optics

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202406005

Abstract: While understanding the competitive adsorption behavior of gas sensor is important, it is yet to be unraveled. Especially for the influence of water molecules to the gas adsorbed on 2D materials. This study explores the… read more here.

Keywords: hyperpolarizability; adsorption; optics; gas ... See more keywords

Looking Back the Nonlinear Optical Crystals in a Functionalized Unit's Perspective

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202419204

Abstract: Nonlinear optics, signifying a revolutionary paradigm change within the realm of optics, has ushered in a transformative era by employing the nonlinear optical crystals to manipulate and harness the laser power for at least six… read more here.

Keywords: nonlinear optical; unit; optics; functionalized units ... See more keywords

Disulfide Glass: An Optical Polymer for Commodity Plastics, Precision Optics, and Photonics

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Published in 2025 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202422569

Abstract: The development of an organic optical glass, termed, disulfide glass (DSG), is reported as a new polymer for commodity plastic optics and thin film photonic applications. This low‐cost thermoset polymer possesses excellent transparency across the… read more here.

Keywords: optics; dsg; glass; polymer ... See more keywords

Self‐Assembled Heterosymmetric Structure with Tunable Polarization Optics for Reversible Matrix Encryption

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Published in 2025 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202511897

Abstract: Symmetric and asymmetric structures are generally taken as contradictory structures. Developing novel hierarchical self‐assembled structures by harmonically combining both symmetry and asymmetry, which we termed “heterosymmetric structures”, along with quantitative analysis of their formation process,… read more here.

Keywords: heterosymmetric structure; optics; self assembled; encryption ... See more keywords