Results 231 to 240 of about 302,870 (324)

Polarization Image Sensor for Highly Sensitive Polarization Modulation Imaging Based on Stacked Polarizers

open access: yesPolarization Image Sensor for Highly Sensitive Polarization Modulation Imaging Based on Stacked Polarizers
In this article, We demonstrated an image sensor for detecting changes in polarization with high sensitivity. For this purpose, we constructed an optical system with a two-layer structure, comprising an external polarizer and polarizers on a pixel array.
openaire  

Polarimetric Photodetectors with Multi‐Control States for Multi‐Valued Encoding Communication and Polarization Image Applications [PDF]

open access: bronze
Jingxian Xiong   +13 more
openalex   +1 more source

Multiband Switchable Microwave Absorbing Metamaterials Based on Reconfigurable Kirigami–Origami

open access: yesAdvanced Functional Materials, EarlyView.
A reconfigurable metamaterial featuring tunable microwave‐absorbing and load‐bearing performance is proposed. Stretchable kirigami and bistable origami configurations are integrated as actuating components, and the synergistic deformation mechanisms are systematically analyzed.
Weimin Ding   +7 more
wiley   +1 more source

Quantitative phase and polarization imaging through an optical fiber applied to detection of early esophageal tumorigenesis. [PDF]

open access: yesJ Biomed Opt, 2019
Gordon GSD   +10 more
europepmc   +1 more source

Photonic Engineering Enables All‐Passive Upconversion Imaging with Low‐Intensity Near‐Infrared Light

open access: yesAdvanced Functional Materials, EarlyView.
A passive upconversion imaging system enables the observation of scenes illuminated by low‐intensity incoherent near‐infrared light from 750 to 930 nm, by converting it into the visible without the use of external power. The upconverter is enabled by triplet–triplet annihilation in a bulk heterojunction, with absorption enhanced by plasmonic resonators
Rabeeya Hamid   +13 more
wiley   +1 more source

Mueller-matrix-based polarization imaging and quantitative assessment of optically anisotropic polycrystalline networks. [PDF]

open access: yesPLoS One, 2019
Borovkova M   +11 more
europepmc   +1 more source

Research on Polarization Image Fusion Using Tetrolet Transform

open access: hybrid, 2015
De Xiang Zhang   +2 more
openalex   +1 more source

The Realization of Multidirectional, Free‐Standing 3D Plasmonic Nanostructures via 3D Nanoprinting: A Case Study of Fractal Antennas

open access: yesAdvanced Functional Materials, EarlyView.
Free‐standing plasmonic gold‐based fractal antennas are fabricated by 3D nanoprinting, employing focused electron beam induced deposition and an optimized purification method to remove carbon while conserving structural fidelity. Simulation and experiment show broadband plasmonic activity, including customizable polarizability, thereby paving the way ...
Verena Reisecker   +6 more
wiley   +1 more source

Quantifying Spatio‐Operational Heterogeneity in Electrochemical Devices via Operando Correlative Neutron and X‐Ray Tomography

open access: yesAdvanced Functional Materials, EarlyView.
Heterogeniety in electrochemical systems heavily influences device performance and durability. The study shows unique evidence of spatio‐operational heterogeneity in fuel cells via operando neutron and X‐ray tomography. Large variations in membrane thickness and hydration depend upon location and operating conditions, with implications on membrane ...
Pranay Shrestha   +9 more
wiley   +1 more source

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