Showing 1,841 - 1,860 results of 4,366 for search '"optics"', query time: 0.05s Refine Results
  1. 1841

    A Technique for Observing the Behaviour of Small Animals Under Field Conditions by Michael H. Robinson, Nicholas D. E. Smythe

    Published 1976-01-01
    “…One solution to the problem is to use the zoom optics of a movie camera equipped with close-up devices (Robinson & Robinson, 1972). …”
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  2. 1842

    Singular Solutions to a (3 + 1)-D Protter-Morawetz Problem for Keldysh-Type Equations by Nedyu Popivanov, Tsvetan Hristov, Aleksey Nikolov, Manfred Schneider

    Published 2017-01-01
    “…The Keldysh-type equations are known in some specific applications in plasma physics, optics, and analysis on projective spaces. Problem PK is not well-posed since it has infinite-dimensional cokernel. …”
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  3. 1843
  4. 1844

    Performance of OFDM: FSO Communication System with Hybrid Channel Codes during Weak Turbulence by Ritu Gupta, Tara Singh Kamal, Preeti Singh

    Published 2019-01-01
    “…The performance of orthogonal frequency division multiplexing- (OFDM-) based free-space optics (FSO) depends on various parameters such as number of subcarriers, base band modulation, nature of laser beam, turbulence modelling, and much more. …”
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  5. 1845

    Generation of Massively Entangled Bright States of Light during Harmonic Generation in Resonant Media by Sili Yi, Nikolai D. Klimkin, Graham Gardiner Brown, Olga Smirnova, Serguei Patchkovskii, Ihar Babushkin, Misha Ivanov

    Published 2025-02-01
    “…Our analysis opens remarkable opportunities at the interface of attosecond physics and quantum optics, with implications for quantum information science.…”
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    Article
  6. 1846

    Advanced biological imaging techniques based on metasurfaces by Yongjae Jo, Hyemi Park, Hyeyoung Yoon, Inki Kim

    Published 2024-12-01
    “…However, there is a limitation in enhancing performance of imaging devices owing to the system complexity associated with bulky conventional optical elements. To address this issue, metasurfaces, which are flat and compact optical elements, have been considered potential candidates for biological imaging. …”
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  7. 1847

    Atomic-scale intercalation and defect engineering for enhanced magnetism and optoelectronic properties in atomically thin GeS by Anthony C. Iloanya, Srihari M. Kastuar, Gour Jana, Chinedu E. Ekuma

    Published 2025-02-01
    “…The predicted features and tunability underscore the potential of defect engineering for applications in magneto-optics and high-density data storage, where precise manipulation of light with magnetic fields is crucial for advanced applications.…”
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  8. 1848

    Multi-frame blind deconvolution using X-ray microscope images of an in-plane rotating sample by Shinnosuke Kurimoto, Takato Inoue, Hitoshi Aoto, Toshiki Ito, Satsuki Ito, Yoshiki Kohmura, Makina Yabashi, Satoshi Matsuyama

    Published 2024-11-01
    “…From demonstration experiments using full-field X-ray microscopy with advanced Kirkpatrick–Baez mirror optics at SPring-8, a spatial resolution of 34 nm (half period) was successfully achieved by removing the wavefront aberration and improving the apparent numerical aperture. …”
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  9. 1849

    Advancement of Hydraulic Fracture Diagnostics in Unconventional Formations by Ali Mahmoud, Ahmed Gowida, Murtada Saleh Aljawad, Mustafa Al-Ramadan, Ahmed Farid Ibrahim

    Published 2021-01-01
    “…These techniques include tracer flowback analysis, fiber optics such as distributed temperature sensing (DTS) and distributed acoustic sensing (DAS), tiltmeters, microseismic monitoring, and diagnostic fracture injection tests (DFIT). …”
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    Article
  10. 1850

    Security of differential phase shift QKD from relativistic principles by Martin Sandfuchs, Marcus Haberland, V. Vilasini, Ramona Wolf

    Published 2025-01-01
    “…The proof combines techniques from quantum information theory, quantum optics, and relativity. We first give a security proof of a QKD protocol whose security stems from relativistic constraints. …”
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  11. 1851

    From source to sink: the path to efficient energy harvesting with LEDs and displays by Andrea De Iacovo, Gaetano Assanto, Lorenzo Colace

    Published 2025-02-01
    “…Abstract In the last three decades, light emitting diodes (LEDs) have represented a breakthrough innovation for optoelectronic applications. From optical communication to lighting and compact displays, LEDs are nowadays the device of choice in all those fields where high fluence, low power consumption and high pixel density are required. …”
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  12. 1852
  13. 1853

    Progress in mid-infrared optoelectronics for high-speed free-space data throughput by Frédéric Grillot, Thomas Poletti, Salvatore Pes

    Published 2025-01-01
    “…Free-space laser communications offer a promising alternative for broadband data transmission in places where fiber optics are impractical. This technology, particularly effective at the 1.55 μm wavelength in the near infrared, also has potential applications in the medium-wave infrared (MWIR, 3–5 μm) and long-wave infrared (LWIR, 8–14 μm) ranges. …”
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  14. 1854

    Bosonic Spectral Function and the Electron-Phonon Interaction in HTSC Cuprates by E. G. Maksimov, M. L. Kulić, O. V. Dolgov

    Published 2010-01-01
    “…Global properties of 𝛼2𝐹(𝜔), such as number and positions of peaks, are extracted by combining optics, neutron scattering, ARPES and tunnelling measurements. …”
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  15. 1855
  16. 1856

    EDITORIAL PAPER - ENGINEERING by JT ADMIN

    Published 2019-12-01
    “…The topics considered include, but are not restricted to, electrical and electronic engineering, communications engineering, computer engineering, control and automation engineering, laser and optics engineering, medical engineering, biomedical engineering, mechatronics, mechanical engineering, material engineering, nanotechnology, thermal engineering, energy and renewable energy, chemical engineering , petroleum engineering, civil and structural engineering, surveying and geomatics engineering, water-resources engineering, environmental engineering, safety, risk management and quality, architecture, and technical education. …”
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  17. 1857
  18. 1858

    Optimal Design of Cooperative Penetration Trajectories for Multiaircraft by Qiangqiang Xu, Jianquan Ge, Tao Yang

    Published 2020-01-01
    “…Firstly, the RCS data are calculated by the physical optics (PO) method. The radar detection threat model is established considering the influence of the aircraft RCS. …”
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  19. 1859

    Design Method of Infrared Stealth Film Based on Deep Reinforcement Learning by Kunyuan Zhang, Delian Liu, Shuo Yang

    Published 2025-01-01
    “…This approach led to the creation of a Ge/Ag/Ge/Ag multilayer micro/nano optical film that exhibits infrared stealth characteristics. …”
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  20. 1860

    A Novel Universal Applicability Design Method for Low Cross-Polarization Terahertz Tri-Reflector CATR by Zhi Li, Yuan Yao, Tianyang Chen, Liang Zhang, Junsheng Yu, Xiaodong Chen

    Published 2022-01-01
    “…By using the beam mode analysis method and cross-polarization elimination conditions, the geometric configurations of the tri-reflector CATR can be designed for feeds in any different rotation angles, and then according to the kinematic and dynamic ray-tracing method with frequency independence in geometric optics, shaped subreflectors can also be synthesized. …”
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