Showing 3,581 - 3,600 results of 4,366 for search '"optics"', query time: 0.08s Refine Results
  1. 3581

    High-Performance MAPbI3-Based Perovskite Solar Cell: Design, Simulation, and Analysis of Optoelectronic Properties and Efficiency Metrics Using SILVACO TCAD by Rashique Hamjah Chowdhury, Hojaifa Daiyan Chowdhury, Muhammad Johirul Islam, Iqbal Bahar Chowdhury

    Published 2024-12-01
    “…Simulations have been carried out to obtain the energy band diagram and the electric field profile as well as the contour and 2D plots of photon absorption rate, the recombination rate and the photogeneration rate to gain a physical insight of electronic and optical behavior of the proposed solar cell. The current-voltage (JV) characteristics and the external quantum efficiency (EQE) of the device are also plotted. …”
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  2. 3582

    Interaction of an Outflow with Surrounding Gaseous Clouds as the Origin of Late-time Radio Flares in Tidal Disruption Events by Jialun Zhuang, Rong-Feng Shen, Guobin Mou, Wenbin Lu

    Published 2025-01-01
    “…., ASASSN-15oi and AT2018hyz, have shown late-time (hundreds of days after their UV/optical peaks) radio flares with radio luminosities of 10 ^38∼39 erg s ^−1 . …”
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  3. 3583

    Magnetic Resonance Imaging of Bacterial Meningoencephalitis in a Foal by Judit Viu, Lara Armengou, Cristian de la Fuente, Carla Cesarini, Sònia Añor, Eduard Jose-Cunilleras

    Published 2012-01-01
    “…Ophthalmic examination revealed bilateral optic neuritis. Hematology revealed leukocytosis and neutrophilia. …”
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  4. 3584

    Identification of Fe-bearing phases in the as-cast microstructure of AA6026 alloy and their evolution during homogenization treatment by Radetić T., Popović M., Novaković M., Rajić V., Romhanji E.

    Published 2023-01-01
    “…The Fe-bearing intermetallic phases present in the as-cast AA6026 alloy and their evolution during homogenization treatments at 480-550°C were investigated using optical microscopy, SEM, and TEM techniques in combination with EDS analysis. …”
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  5. 3585

    Atypical Radiographic Presentation of Cryptococcus Pneumonia in a Newly Diagnosed HIV Patient by Arthur Cacacho, Umair Ashraf, Arsalan Rehmani, Masooma Niazi, Misbahuddin Khaja

    Published 2019-01-01
    “…The patient underwent flexible fiber optic bronchoscopy, and transbronchial biopsy of the right lung showed bronchopneumonia with fungal spores consistent with filamentous Cryptococcus neoformans, which grew in tissue culture of the right lung. …”
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    Article
  6. 3586

    Accuracy Analysis of the Aerosol Backscatter Coefficient Profiles Derived from the CYY-2B Ceilometer by Lei Liu, Ting Zhang, Yi Wu, Qi Wang, Taichang Gao

    Published 2018-01-01
    “…The accuracy of the backscatter coefficient profiles derived from the CYY-2B ceilometer is analyzed by using the Vaisala CL51 ceilometer, MPL, forward scatter visibility instrument, and aerosol optical depth (AOD) dataset from aerosol robotic network (AERONET). …”
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  7. 3587

    Hyperreflective Intraretinal Spots in Diabetics without and with Nonproliferative Diabetic Retinopathy: An In Vivo Study Using Spectral Domain OCT by Stela Vujosevic, Silvia Bini, Giulia Midena, Marianna Berton, Elisabetta Pilotto, Edoardo Midena

    Published 2013-01-01
    “…All studied subjects underwent full ophthalmologic examination and spectral domain optical coherence tomography (SD-OCT). SD-OCT images were analyzed to measure and localize HRS. …”
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    Article
  8. 3588

    Prediction of Europium Retention in Perovskite: Potential Candidates for an Engineering Barrier in the Disposal of Radioactive Waste by Huemantzin B. Ortiz-Oliveros, Rosa Ma. Flores Espinosa, Pedro Ávila-Pérez, Daniel Cruz-Gonzalez, Noureddine Ouerfelli

    Published 2021-01-01
    “…Perovskites, such as tausonite, are crystalline metal oxides with excellent optical and photocatalytic properties and have also been used successfully in the retention of metals, simulating the isotopes of uranium and plutonium. …”
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  9. 3589

    Excited states of mono- and biruthenium(II) complexes adsorbed on nanocrystalline titanium dioxide studied by electroabsorption spectroscopy by Daniel Pelczarski, Błażej Gierczyk, Maciej Zalas, Malgorzata Makowska-Janusik, Waldemar Stampor

    Published 2025-02-01
    “…The extracted values of relevant parameters, relating to molecular dipoles after optical MLCT (metal-to-ligand-charge-transfer) excitation, exhibit a clearly noticeable increase for Ru complexes adsorbed on TiO2, but they are too small to be attributed to excitation associated with the direct transfer of an electron from the dye adsorbate to the TiO2 semiconductor. …”
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  10. 3590

    Exploring the potential of aerial drone imagery to distinguish breeding Adélie (Pygoscelis adeliae), chinstrap (Pygoscelis antarcticus) and gentoo (Pygoscelis papua) penguins in An... by Christian Pfeifer, Stefan Knetsch, Jakob Maercker, Osama Mustafa, Marie-Charlott Rümmler, Alexander Brenning

    Published 2025-01-01
    “…The aim of this study is to explore the possibilities and limitations of species discrimination in aerial optical imagery, particularly using very high-resolution aerial imagery. …”
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  11. 3591

    Multimodal Imaging in an Unusual Cluster of Multiple Evanescent White Dot Syndrome by Orly Gal-Or, Ethan Priel, Irit Rosenblatt, Shiri Shulman, Michal Kramer

    Published 2017-01-01
    “…Hyperfluorescent spots on blue autofluorescence (BAF), hypofluorescent spots on indocyanine green angiography, dark lesions on infrared photos, and ellipsoid zone irregularities on spectral domain optical coherence tomography (SD-OCT). Resolution of the spots on BAF correlated with anatomic (SD-OCT) and visual recovery. …”
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  12. 3592

    Ultrafast strong-field terahertz nonlinear nanometasurfaces by Cai Jiahua, Chen Sai, Geng Chunyan, Li Jianghao, Quan Baogang, Wu Xiaojun

    Published 2023-02-01
    “…Both strong-field induced intervalley scattering (IVS) and IMI effects of photodoped silicon occurring in nano-gaps and large-area substrates were also observed by 800 nm optical injection of carriers. These aforementioned findings provide a robust research platform for the realization of ultrafast time resolution nanoscale strong-field THz–matter interaction and new ideas for nonextreme laboratories to realize extreme THz science, applications, and THz nonlinear modulation device development.…”
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  13. 3593

    Simulation of spectral bands of the MERIS sensor to estimate chlorophyll-a concentrations in a reservoir of the semi-arid region by Fernando Bezerra Lopes, Evlyn Márcia Leão de Moraes Novo, Cláudio Clemente Faria Barbosa, Eunice Maia de Andrade, Rafael Damiati Ferreira

    Published 2016-07-01
    “…The waters of the Orós reservoir were all classified as eutrophic. The main optically active component in modelling the shape of the spectra was chlorophyll-a. …”
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  14. 3594

    Effect of Fluid Shear Stress on Portal Vein Remodeling in a Rat Model of Portal Hypertension by Bin Wen, Jian Liang, Xin Deng, Ran Chen, Peichun Peng

    Published 2015-01-01
    “…Changes in geometric structure and ultrastructure of the portal vein were observed using optical and electron microscopy. Results. After the CC14 injections, rat haemodynamics were notably altered. …”
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  15. 3595

    Nanostructured Dielectric Layer for Ultrathin Crystalline Silicon Solar Cells by Yusi Chen, Yangsen Kang, Jieyang Jia, Yijie Huo, Muyu Xue, Zheng Lyu, Dong Liang, Li Zhao, James S. Harris

    Published 2017-01-01
    “…Here, we demonstrate a new approach to design, simulate, and fabricate whole-wafer nanostructures on dielectric layer on thin c-Si for solar cell light trapping. The optical simulation results show that the periodic nanostructure arrays on dielectric materials could suppress the reflection loss over a wide spectral range. …”
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  16. 3596

    Trace elements levels in growing camels’ (Camelus dromedarius) biological tissues from semi-arid areas by Mutassim M. Abdelrahman, Ibrahim A. Alhidary, Mohsen M. Alobre, Abdulkareem M. Matar, Mohammed A. Al-Badwi, Mohammed M. Qaid, Riyadh S. Aljumaah

    Published 2025-12-01
    “…One hundred and forty-three samples were collected and wet digested to analyze the concentrations of Cu, Zn, Mn, Se, Fe, and I by Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES). Results showed significant (P < 0.05) variations among the five regions for camels’ liver Cu, Zn, Se, Mn, and I levels, while Fe concentration did not differ. …”
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  17. 3597

    Research on Envelope Profile of Lithium Niobate on Insulator Stepped-Mode Spot Size Converter by Jianfeng Bao, Dengcai Yang, Zhiyu Chen, Jingyuan Zhang, Feng Yang

    Published 2025-01-01
    “…This stepped SSC can reduce the coupling loss between the LNOI waveguide and a normal single-mode optical fiber. First, the output waveguide of a mode converter was proposed and simulated, in which the mode field had the biggest overlapping integral factor with a single-mode fiber (MDF ≈ 9.8 μm). …”
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  18. 3598

    Detection of Adulteration of Extra Virgin Olive Oil via Laser-Induced Breakdown Spectroscopy and Ultraviolet-Visible-Near-Infrared Absorption Spectroscopy: A Comparative Study by Eleni Nanou, Marios Bekogianni, Theodoros Stamatoukos, Stelios Couris

    Published 2025-01-01
    “…The fast detection of Extra Virgin Olive Oil (EVOO) adulteration with poorer quality and lower price vegetable oils is important for the protection of consumers and the market of olive oil from fraudulent activities, the latter exhibiting an increasing trend worldwide during the last few years. In this work, two optical spectroscopic techniques, namely, Laser-Induced Breakdown Spectroscopy (LIBS) and UV-Vis-NIR absorption spectroscopy, are employed and are assessed for EVOO adulteration detection, using the same set of olive oil samples. …”
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  19. 3599

    Panoramic analysis of 2D dirubidium telluride monolayer benchmarking the DFT approach by G. Sneha, R. D. Eithiraj

    Published 2025-02-01
    “…Abstract Through the DFT computations, the structural, vibrational, electronic, elastic, optical and thermal (thermoelectric, thermodynamic) properties of the two-dimensional Rb2Te monolayer are briefly contemplated. …”
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  20. 3600

    Combination of Multifocal Electroretinogram and Spectral-Domain OCT Can Increase Diagnostic Efficacy of Parkinson’s Disease by Jiang Huang, Yi Li, Jianjiang Xiao, Qin Zhang, Guoxu Xu, Guanhui Wu, Tong Liu, Weifeng Luo

    Published 2018-01-01
    “…The aim of this study was to assess retinal changes and increase the diagnostic efficacy of Parkinson’s disease with a combination of multifocal electroretinogram (mf-ERG) and spectral domain optical coherence tomography (SD-OCT) examinations. …”
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    Article