Showing 421 - 440 results of 772 for search '"visible spectrum"', query time: 0.11s Refine Results
  1. 421

    Snapshot multispectral imaging using a diffractive optical network by Deniz Mengu, Anika Tabassum, Mona Jarrahi, Aydogan Ozcan

    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. …”
    Get full text
    Article
  2. 422

    THE USE OF OPEN SOURCE SOFTWARE FOR MONITORING BEE DIVERSITY IN NATURAL SYSTEMS: THE BEEMS PROJECT by P. Dabove, V. Di Pietra

    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. …”
    Get full text
    Article
  3. 423

    A Review of Optical Sensors in CMOS by Rodrigo Gounella, Gabriel M. Ferreira, Marcio L. M. Amorim, João Navarro Soares, João Paulo Carmo

    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. …”
    Get full text
    Article
  4. 424

    Facile fabrication of SnO2 / MoS2 / rGO ternary composite for solar light-mediated photocatalysis for water remediation by Philips O. Agboola, Imran Shakir

    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). …”
    Get full text
    Article
  5. 425

    Antibacterial and Catalytic Efficacy of Biosynthesized Silver Nanoparticles Using Marine Seaweed Padina Tetrasromatica by Kaithavelikkakath Francis Princy, Sarasan Manomi, Rosamma Philip, Anu Gopinath

    Published 2016-03-01
    “…The surface plasmon resonance peak at 424 nm in the UV-Visible spectrum confirmed the formation of silver nanoparticles. …”
    Get full text
    Article
  6. 426

    Synthesis and Characterization of New Organic Dyes Containing the Indigo Core by Daniele Franchi, Massimo Calamante, Carmen Coppola, Alessandro Mordini, Gianna Reginato, Adalgisa Sinicropi, Lorenzo Zani

    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. …”
    Get full text
    Article
  7. 427

    Evaluation of strontium aluminate phosphorescent effect on blood as potential light source for phototherapy by Heng Jie Choong, Nursakinah Suardi, Naser M. Ahmed

    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. …”
    Get full text
    Article
  8. 428

    Programmable photonic integrated meshes for modular generation of optical entanglement links by Mark Dong, Matthew Zimmermann, David Heim, Hyeongrak Choi, Genevieve Clark, Andrew J. Leenheer, Kevin J. Palm, Alex Witte, Daniel Dominguez, Gerald Gilbert, Matt Eichenfield, Dirk Englund

    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. …”
    Get full text
    Article
  9. 429

    Reconstructing Images Through Multimode Fibers From the Up-Conversion Speckle Patterns via Deep Learning by Yanzhu Zhang, Hao Wu, He Zhao, Yong Chen

    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. …”
    Get full text
    Article
  10. 430

    Single-Pixel Near-Infrared 3D Image Reconstruction in Outdoor Conditions by C. Osorio Quero, D. Durini, J. Rangel-Magdaleno, J. Martinez-Carranza, R. Ramos-Garcia

    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. …”
    Get full text
    Article
  11. 431

    A Fluorescent Nanosensor for Silver (Ag<sup>+</sup>) and Mercury (Hg<sup>2+</sup>) Ions Using Eu (III)-Doped Carbon Dots by Cátia Correia, José Martinho, Ermelinda Maçôas

    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. …”
    Get full text
    Article
  12. 432

    UV-A for Tailoring the Nutritional Value and Sensory Properties of Leafy Vegetables by Kristina Laužikė, Akvilė Viršilė, Giedrė Samuolienė, Rūta Sutulienė, Aušra Brazaitytė

    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. …”
    Get full text
    Article
  13. 433

    Destruction of organic compounds in gaseous and liquid media in microwave discharge plasma by Aleksey Grirorievich Zherlitsyn, Vladimir Petrovich Shiyan, Lyudmila Nikolaevna Shiyan, Seda Osmanovna Magomadova

    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.…”
    Get full text
    Article
  14. 434

    Imaging of Lipid Peroxidation-Associated Chemiluminescence in Plants: Spectral Features, Regulation and Origin of the Signal in Leaves and Roots by Michel Havaux, Brigitte Ksas

    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). …”
    Get full text
    Article
  15. 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 by Kamil Jurczyszyn, Witold Trzeciakowski, Zdzisław Woźniak, Piotr Ziółkowski, Mateusz Trafalski

    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. …”
    Get full text
    Article
  16. 436

    Hydrothermal Cobalt Doping of Titanium Dioxide Nanotubes towards Photoanode Activity Enhancement by Mariusz Wtulich, Mariusz Szkoda, Grzegorz Gajowiec, Maria Gazda, Kacper Jurak, Mirosław Sawczak, Anna Lisowska-Oleksiak

    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. …”
    Get full text
    Article
  17. 437

    Synthesis and Characterization of Cinnamon Loaded BSA Microparticles with Antidiabetic Properties by Binuki Wanniarachchi, H.M.W.K. Sathsarani, Bimali M. Jayawardena, H.G.N. Dewangani

    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.…”
    Get full text
    Article
  18. 438

    Bright and photostable single-photon emitter in silicon carbide by Tran, Toan Trong, Aharonovich, Igor, Lienhard, Benjamin, Schroder, Tim, Mouradian, Sara L, Dolde, Florian, Englund, Dirk R.

    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). …”
    Get full text
    Get full text
    Get full text
    Get full text
    Article
  19. 439

    Efficient Extraction of Light from a Nitrogen-Vacancy Center in a Diamond Parabolic Reflector by Wan, Noel Heng Loon, Shields, Brendan J., Kim, Donggyu, Mouradian, Sara L, Lienhard, Benjamin, Walsh, Michael P., Bakhru, Hassaram, Schroder, Tim, Englund, Dirk R.

    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)%. …”
    Get full text
    Article
  20. 440

    Near-infrared optical properties and proposed phase-change usefulness of transition metal disulfides by Singh, Akshay k, Li, Yifei, Fodor, Balint, Makai, Laszlo, Zhou, Jian, Xu, Haowei, Akey, Austin, Li, Ju, Jaramillo, Rafael

    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. …”
    Get full text
    Article