-
221
Multiresponsive Cylindrically Symmetric Cholesteric Liquid Crystal Elastomer Fibers Templated by Tubular Confinement
Published 2023-07-01“…The synthesis inside a sacrificial tube secures radial orientation of the cholesteric helix, and the ground state retroreflection wavelength is easily tuned throughout the visible spectrum or into the near‐infrared by varying the concentration of a chiral dopant. …”
Get full text
Article -
222
Learning-Based Near-Infrared Band Simulation with Applications on Large-Scale Landcover Classification
Published 2023-04-01“…In remote sensing applications, the near-infrared (NIR) band, together with the visible spectrum (RGB), provide abundant information about ground objects. …”
Get full text
Article -
223
A Density Functional Theory (DFT) Perspective on Optical Absorption of Modified Graphene Interacting with the Main Amino Acids of Spider Silk
Published 2023-07-01“…We found that, among the cases considered, graphene with vacancies is the best candidate to develop optical biosensors to detect C=O amide and differentiate glycine and leucine from alanine and proline in the visible spectrum region. Finally, from the projected density of states, the main changes occur at deep energies. …”
Get full text
Article -
224
Interactive computer model for aurora forecast and analysis
Published 2022-06-01“…The forecast has been verified by comparing the model predictions with the data from 16 cameras conducting continuous observations of the auroras in the visible spectrum. The proportion of coincidences between the predicted and observed auroras was 86 %. …”
Get full text
Article -
225
Blue Light—Ocular and Systemic Damaging Effects: A Narrative Review
Published 2023-03-01“…Because it is at the high-energy end of the visible spectrum, many authors have investigated the theoretical harmful effects that it poses to the human retina and, more recently, the human body, given the discovery and characterization of the intrinsically photosensitive retinal ganglion cells. …”
Get full text
Article -
226
High Responsivity and Ultra-Low Detection Limits in Nonlinear a-Si:H p-i-n Photodiodes Enabled by Photogating
Published 2023-07-01“…Abstract Photodetectors operating at the wavelength in the visible spectrum are key components in high-performance optoelectronic systems. …”
Get full text
Article -
227
Optimizing the Quality and Commercial Value of Gyokuro-Styled Green Tea Grown in Australia
Published 2022-04-01“…This study shows that very high levels of total visible spectrum light shading (~99%) is required to achieve improvements in quality and commercial value. …”
Get full text
Article -
228
Methylene Blue Removal by Copper Oxide Nanoparticles Obtained from Green Synthesis of <i>Melia azedarach</i>: Kinetic and Isotherm Studies
Published 2024-02-01“…In this study, <i>Melia azedarach</i> fruit extract was used as a reducing agent and copper chloride dihydrate (CuCl<sub>2</sub>·2H<sub>2</sub>O) was used as a precursor in the synthesis of copper oxide nanoparticles (CuO NPs). The UV–visible spectrum showed a characteristic absorption peak of CuO NPs at 350 nm. …”
Get full text
Article -
229
Synthesis and photophysical properties of new reactive fluorophenanthrenes
Published 2020-09-01“…A notable behavior and a strong fluorescence in the blue region of the visible spectrum were observed, making them potential candidates for organic light-emitting diode technology or advanced materials. …”
Get full text
Article -
230
Angle-Insensitive Broadband Absorption Enhancement of Graphene Using a Multi-Grooved Metasurface
Published 2019-03-01“…Abstract An angle-insensitive broadband absorber of graphene covering the whole visible spectrum is numerically demonstrated, which is resulted from multiple couplings of the electric and magnetic dipole resonances in the narrow metallic grooves. …”
Get full text
Article -
231
Synthesis, Structures, and Photochromic Behaviors of Novel Viologen Based Uranyl Coordination Polymers
Published 2023-12-01“…In addition, compound 2 exhibit significantly reversible photochromic/thermochromic properties. Ultraviolet-visible spectrum and electron paramagnetic resonance(EPR) spectrum indicate that the reversible color change is due to the generation of viologen radicals from viologen ligands after irradiation. …”
Get full text
Article -
232
A fluid-based active plasmonic grating filter
Published 2020-01-01“…By combining this electrowetting filtering function with the appropriate structural parameters according to the practical demands, such novel design can realize the fine-tuning of light covering the entire visible spectrum.…”
Get full text
Article -
233
End-to-End Prediction of Lightning Events from Geostationary Satellite Images
Published 2022-08-01“…A closer examination of the classifier performance over time and under masking of input data indicates that the learned model actually draws most information from structures in the visible spectrum, with infrared imaging sustaining some classification performance during the night.…”
Get full text
Article -
234
Direct Laser Patterning of CdTe QDs and Their Optical Properties Control through Laser Parameters
Published 2022-05-01“…Fluorescence microscopy and photoluminescence spectroscopy, associated with transmission electron microscopy, indicate that it is possible to obtain desired patterns of QDs emitting from green to red of the visible spectrum, due to the formed CdTe QDs. Preliminary highlights of the CdTe QDs’ formation mechanism are given in terms of laser power and laser pulse frequency (repetition rate).…”
Get full text
Article -
235
Satellite imagery dataset of manure application on pasture fields
Published 2023-02-01“…The imagery is collected through Google Earth Engine using the satellite Sentinel-2, which offers 13 hyperspectral bands in the range of ultraviolet and near-infrared wavelengths including the visible spectrum. From these 13 bands, the most common hyperspectral indices in the literature for precision agriculture are calculated and added into the images as channels. 51 hyperspectral indices are calculated, summing up to a total of 64 channels per image when adding the raw bands from Sentinel-2. …”
Get full text
Article -
236
Amber rainbow ribbon effect in broadband optical metamaterials
Published 2024-03-01“…Here, we observed the negative Goos-Hänchen effect in film samples across the entire visible spectrum. We also discovered an amber rainbow ribbon and an optical black hole due to perfect back reflection in optical waveguides, where little light leaks out. …”
Get full text
Article -
237
CVD Deposited Epoxy Copolymers as Protective Coatings for Optical Surfaces
Published 2023-01-01“…Poly(GMA-co-EGDMA) and poly(GMA-co-V4D4) copolymers demonstrated protection against water (<1% thickness loss), high salt resistance (<1.5% thickness loss), and high optical transparency (~90% in visible spectrum) making them ideal coating materials for optical surfaces. …”
Get full text
Article -
238
Structural, Morphological and Optical Analysis of TiO2 Thin Films Prepared by RF Magnetron Sputtering
Published 2021-10-01“…Phase, lattice parameters, optical features and morphology were investigated under different laboratory conditions in different thicknesses by using XRD, spectrophotometry and atomic force microscopic (AFM), within the visible spectrum range. Also, the lattice structure, in most cases, is tetragonal or a combination of tetragonal and orthorhombic. …”
Get full text
Article -
239
Spray Angle Dependence for the Growth of Terrace-truncated Nanocone Structure of Gallium-doped Zinc Oxide by Advanced Spray Pyrolysis Deposition Technique
Published 2020-01-01“…Optical and electrical properties were investigated by the UV-visible spectrum and four-probe method. The lowest spray angle of 15º showed homogeneous and hexagonal shaped nanocone structure with an average top diameter of 22.8 nm and an average height of 240 nm. …”
Get full text
Article -
240
Blue-Noise-Based Disordered Photonic Structures Show Isotropic and Ultrawide Band Gaps
Published 2023-11-01“…Ultrawide and omnidirectional photonic band gaps spanning most of the visible spectrum are found with estimates of gap–midgap ratios of up to 55.4% for transverse magnetic polarization, 59.4% for transverse electric polarization, and 32.7% for complete band gaps. …”
Get full text
Article