Showing 901 - 920 results of 4,366 for search '"optics"', query time: 0.06s Refine Results
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    High-order harmonic generation driven by perfect optical vortex beams: Exploring the orbital angular momentum upscaling law by Bikash Kumar Das, C. Granados, M. Krüger, Marcelo F. Ciappina

    Published 2024-12-01
    “…A more sophisticated configuration is a perfect optical vortex (POV) beam, a light beam with a helical wave front characterized by a phase singularity at its center and an azimuthal phase variation. …”
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  4. 904

    Comparison of optical coherence tomography vs. fluorescein angiography-based macular neovascularization classifications in age-related macular degeneration by Gábor G. Deák, Klaudia Birner, Bianca S. Gerendas, Georgios Mylonas, Günther Weigert, Martin Michl, Irene Steiner, Ursula M. Schmidt-Erfurth

    Published 2025-02-01
    “…Abstract We aimed to compare fluorescein angiography (FA)-based classification of macular neovascularisation (MNV) with optical coherence tomography (OCT)-based classification, as well as examine differences in retinal fluid among OCT MNV types. …”
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    ST Elevation Infarction after Heart Transplantation Induced by Coronary Spasms and Mural Thrombus Detected by Optical Coherence Tomography by Tor Skibsted Clemmensen, Niels Ramsing Holm, Hans Eiskjær, Steen Hvitfeldt Poulsen, Michael Maeng, Christian Juhl Terkelsen, Evald Høj Christiansen

    Published 2016-01-01
    “…The patients remained unstable on conservative therapy. Therefore, an optical coherence tomography (OCT) was performed and revealed massive, organized thrombi in the left main coronary artery, the circumflex coronary artery, and the left anterior descending coronary artery. …”
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    Tracking solid electrolyte interphase dynamics using operando fibre-optic infra-red spectroscopy and multivariate curve regression by Cédric Leau, Yu Wang, Charlotte Gervillié-Mouravieff, Steven T Boles, Xiang-Hua Zhang, Simon Coudray, Catherine Boussard-Plédel, Jean-Marie Tarascon

    Published 2025-01-01
    “…This work employs chalcogenide fibres embedded in negative electrode materials for operando Infra-red Fibre-optic Evanescent Wave Spectroscopy (IR-FEWS), combined with Multivariate Curve Resolution by Alternating Least Squares (MCR-ALS) algorithms for spectra analysis. …”
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    Evaluating choroidal vascular changes in young adults with high myopia utilizing swept source optical coherence tomography angiography by Qing wang, Lin-Bo He, Sha Li, Hong-Ling Liu, Yong Liu

    Published 2025-02-01
    “…Purpose: Utilizing Swept source optical coherence tomography angiography (SS-OCTA) investigates the changes in the vascular characteristics of the choriocapillaris and larger vascular layers, including Sattler's and Haller's layers, in the macular region of young myopia patients, in order to Enhance our comprehension of the underlying mechanisms of the pathogenesis of myopia. …”
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    Preferential Crystallographic Orientation and Optical Properties in (Ag,Zn)-Based Oxide Nanoparticle Thin Film Depending on Spark Voltage by Ebru Güngör, Tayyar Güngör

    Published 2024-01-01
    “…Although, it was determined that the AgO prepared with 7 kV was optically more transparent and its optical band gap was significantly widened. …”
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    Optical Active Thermal Stable Nanocomposites Using Polybutadiene-Based Polyurethane and Graphene Quantum Dot-MnO2 by Zahra Rahmatpanah, Mir Mohammad Alavi Nikje, Maryam Dargahi

    Published 2022-01-01
    “…UV-vis and PL spectrophotometry techniques were applied for achieving optical information of samples. Optical properties of nanocomposites were reserved properly with no great quenching. …”
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    Hall Current Effect of Magnetic-Optical-Elastic-Thermal-Diffusive Semiconductor Model during Electrons-Holes Excitation Processes by Abdulkafi M. Saeed, Kh. Lotfy, Alaa. A. El-Bary

    Published 2022-01-01
    “…The plasma-elastic-thermal waves are investigated in the context of diffusive processes during optical-generated transport processes. The variable of thermal conductivity is obtained during graduated temperature due to the thermal impact of fallen light. …”
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    Structure dependent optical and conductive properties of HPMC:CoCl2 composites: A functional data analysis study by Gowtham G K, Thejas G. Urs

    Published 2025-01-01
    “…Conductivity tests provide valuable insights into variations in electrical conductivity, impedance, and dielectric properties. The optical bandgap obtained from UV/visible spectroscopic studies aligns with other studied physical parameters, supporting dopant-driven changes in these composites. …”
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    Analysis of Retinal Perfusion in Children, Adolescents, and Young Adults with Type 1 Diabetes Using Optical Coherence Tomography Angiography by Chiara Mameli, Alessandro Invernizzi, Alice Bolchini, Giorgio Bedogni, Elisa Giani, Maddalena Macedoni, Gianvincenzo Zuccotti, Chiara Preziosa, Marco Pellegrini

    Published 2019-01-01
    “…We performed a cross-sectional study to analyze the retinal vasculature in children, adolescent, and young adults with type 1 diabetes using optical coherence tomography angiography (OCTA). Patients underwent funduscopic examination for diabetic retinopathy (DR) screening during an annual visit for the screening of diabetes-related complications which included the evaluation of glycated hemoglobin (HbA1c), microalbuminuria, lipid profile, arterial pressure, and neurological assessment. …”
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    Unveiling the Multifaceted Nature of Sr2FeMoO6 Double Perovskites: Insights into Electronic and Optical Properties by Hajjami Manal, Oublkacem Ali, Benhouria Younes

    Published 2025-01-01
    “…In this study, an investigation of the intricate electronic and optical properties of the double perovskite compound Sr2FeMoO6 is conducted. …”
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