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421
Snapshot multispectral imaging using a diffractive optical network
Published 2023-04-01“…Through numerical simulations, we present different diffractive network designs that achieve snapshot multispectral imaging with 4, 9 and 16 unique spectral bands within the visible spectrum, based on passive spatially-structured diffractive surfaces, with a compact design that axially spans ~72λ m , where λ m is the mean wavelength of the spectral band of interest. …”
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422
THE USE OF OPEN SOURCE SOFTWARE FOR MONITORING BEE DIVERSITY IN NATURAL SYSTEMS: THE BEEMS PROJECT
Published 2022-08-01“…The multispectral sensors have provided surface spectral response out of the visible spectrum, while the photogrammetric reconstruction has provided three-dimensional information. …”
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423
A Review of Optical Sensors in CMOS
Published 2024-02-01“…This paper presents an overview of silicon-based optical sensors for the measurement of light in the visible spectrum range. The review is focused on sensors based on CMOS (complementary metal-oxide semiconductor) technology due to the high availability, low cost, ease of prototyping, and well-established fabrication processes. …”
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424
Facile fabrication of SnO2 / MoS2 / rGO ternary composite for solar light-mediated photocatalysis for water remediation
Published 2022-05-01“…From UV-visible studies, a redshift was observed for the SnO2 /MoS2 heterostructure as compared to SnO2, which further extends to the visible spectrum with the introduction of reduced graphene oxide (rGO). …”
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425
Antibacterial and Catalytic Efficacy of Biosynthesized Silver Nanoparticles Using Marine Seaweed Padina Tetrasromatica
Published 2016-03-01“…The surface plasmon resonance peak at 424 nm in the UV-Visible spectrum confirmed the formation of silver nanoparticles. …”
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426
Synthesis and Characterization of New Organic Dyes Containing the Indigo Core
Published 2020-07-01“…In general, all dyes presented intense light absorption bands, both in the blue and red regions of the visible spectrum, conferring them a bright green color in solution. …”
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427
Evaluation of strontium aluminate phosphorescent effect on blood as potential light source for phototherapy
Published 2020-10-01“…However, for 10 minutes and beyond, the irradiation leads to morphology deterioration while the UV-visible spectrum decrement starts at 15 minutes and beyond. …”
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428
Programmable photonic integrated meshes for modular generation of optical entanglement links
Published 2023-04-01“…Here we introduce a programmable photonic integrated circuit (PIC), realized in a piezo-actuated silicon nitride (SiN)-in-oxide CMOS-compatible process, that implements an N × N Mach–Zehnder mesh (MZM) capable of high-speed execution of linear optical transformations. The visible-spectrum photonic integrated mesh is programmed to generate optical connectivity on up to N = 8 inputs for a range of optically-heralded entanglement protocols. …”
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429
Reconstructing Images Through Multimode Fibers From the Up-Conversion Speckle Patterns via Deep Learning
Published 2023-01-01“…However, the imaging spectra of these studies are mostly in the visible spectrum range and require complete speckle information for reconstruction. …”
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430
Single-Pixel Near-Infrared 3D Image Reconstruction in Outdoor Conditions
Published 2022-05-01“…Due to the reduced light scattering at the IR spectra it is possible to discriminate the objects in a scene compared with the images obtained in the visible spectrum. Therefore, in this work, we proposed 3D image generation in foggy conditions using the single-pixel imaging (SPI) active illumination approach in combination with the Time-of-Flight technique (ToF) at 1550 nm wavelength. …”
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431
A Fluorescent Nanosensor for Silver (Ag<sup>+</sup>) and Mercury (Hg<sup>2+</sup>) Ions Using Eu (III)-Doped Carbon Dots
Published 2022-01-01“…The luminescence spectrum shows the characteristic sharp peaks of Eu<sup>3+</sup> in the red part of the visible spectrum and a broad emission of Cdots centered at 450 nm. …”
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432
UV-A for Tailoring the Nutritional Value and Sensory Properties of Leafy Vegetables
Published 2023-05-01“…This study aims to expand the artificial lighting potential of controlled environment cultivations systems by introducing UV-A (~315–400 nm) wavelengths into the traditional, visible spectrum lighting, seeking to improve the nutritional and sensory value of cultivated leafy vegetables. …”
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433
Destruction of organic compounds in gaseous and liquid media in microwave discharge plasma
Published 2019-05-01“…Methylene blue solution reduces the intensity of the color in the visible spectrum at 590 nm and becomes colorless. The mechanism of destruction of organic compounds in water solutions under microwave discharge plasma was offered.…”
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434
Imaging of Lipid Peroxidation-Associated Chemiluminescence in Plants: Spectral Features, Regulation and Origin of the Signal in Leaves and Roots
Published 2022-07-01“…In vitro oxidation of lipids induced luminescence throughout the visible spectrum (450–850 nm). However, luminescence in the red spectral domain (>640 nm) occurred first, then declined in parallel with the appearance of the emission in the blue-green (<600 nm). …”
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435
Assessment of Effects of Laser Light Combining Three Wavelengths (450, 520 and 640 nm) on Temperature Increase and Depth of Tissue Lesions in an Ex Vivo Study
Published 2020-11-01“…The aim of the study was to assess the effects of laser radiation in the visible spectrum on tissue in vitro, depending on the wavelength and pulse width. …”
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436
Hydrothermal Cobalt Doping of Titanium Dioxide Nanotubes towards Photoanode Activity Enhancement
Published 2021-03-01“…The introduction of small amounts of cobalt (0.1 at %) into the structure of anatase caused an increase in the absorption of light in the visible spectrum, changes in the position of the flat band potential, a decrease in the threshold potential of water oxidation in the dark, and a significant increase in the anode photocurrent. …”
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437
Synthesis and Characterization of Cinnamon Loaded BSA Microparticles with Antidiabetic Properties
Published 2023-03-01“…According to the SEM image, microparticles have a spherical morphology. The UV-visible spectrum and the FT-IR spectrum confirm the entrapment of cinnamon compounds.…”
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438
Bright and photostable single-photon emitter in silicon carbide
Published 2017“…In particular, there is great interest in realizing scalable solid-state platforms that can emit triggered photons on demand to achieve scalable nanophotonic networks. We report on a visible-spectrum single-photon emitter in 4H silicon carbide (SiC). …”
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439
Efficient Extraction of Light from a Nitrogen-Vacancy Center in a Diamond Parabolic Reflector
Published 2019“…Simulations indicate a photon collection efficiency exceeding 75% across the visible spectrum and experimental devices, fabricated using a high-throughput gray scale lithography process, demonstrating a photon extraction efficiency of (41 ± 5)%. …”
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440
Near-infrared optical properties and proposed phase-change usefulness of transition metal disulfides
Published 2019“…Transition metal dichalcogenides (TMDs) have been explored extensively for visible spectrum optoelectronics; the NIR properties of these layered materials have been less-studied. …”
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