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Colorless and unidirectional diffractive-type solar concentrators compatible with existing windows
Published 2025-07-01“…A 1-inch-diameter prototype powers a 10-mW fan outdoors, and a typical 2-m-wide window is calculated to concentrate solar energy by 50 times. …”
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Revealing disorder parameter and deformation electron density using electron diffraction
Published 2025-07-01“…Consequently, experimental determination of local electron density offers a powerful, universal approach to probe such disorder. …”
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Enhancing Wireless Power Transfer Performance Based on a Digital Honeycomb Metamaterial Structure for Multiple Charging Locations
Published 2024-11-01Subjects: Get full text
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Binary phase-only gallium oxide diffractive optical element for beam shaping
Published 2025-02-01“…Such a device holds significant promise for various high-power laser applications, notably in laser welding and similar domains. …”
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Leveraging multiplexed metasurfaces for multi-task learning with all-optical diffractive processors
Published 2024-10-01“…Diffractive Neural Networks (DNNs) leverage the power of light to enhance computational performance in machine learning, offering a pathway to high-speed, low-energy, and large-scale neural information processing. …”
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Deterministic approach to design passive anomalous-diffraction metasurfaces with nearly 100% efficiency
Published 2023-03-01Get full text
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Deep learning of structural morphology imaged by scanning X-ray diffraction microscopy
Published 2025-07-01“…Abstract Scanning X-ray nanodiffraction microscopy is a powerful technique for spatially resolving nanoscale structural morphologies by diffraction contrast. …”
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A B-integral management strategy in discrete single-crystal fibers: towards direct power scaling of femtosecond sources near 2 μm
Published 2025-01-01“…The system delivers an average power of more than 56 W at 75.45 MHz with extremely high extraction efficiency (>55%) and near-diffraction-limited beam quality (M2 < 1.2). …”
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Single-Shot Optical Multiple-Image Encryption Based on Polarization-Resolved Diffractive Imaging
Published 2019-01-01Get full text
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Diffractive elements in thermal imaging monofocal dual-band objectives: design and technological aspects
Published 2024-04-01“…It is shown that in the case when thermal compensation is not required, superior optical characteristics can be achieved in a simple triplet, in which the flat surface of the frontal fractional lens carries a diffractive microstructure. In the case of passive athermalization, the optical scheme of the objective becomes more complicated and consists of refractive two-line power and correction components, in the latter of which the flat surface of one of the lenses carries a diffractive microstructure. …”
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Multi-functional broadband diffractive neural network with a single spatial light modulator
Published 2025-01-01“…Diffractive neural networks (DNNs) are emerging as a novel optical computing architecture that combines wave optics with deep-learning methods for high-speed parallel information processing. …”
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Auto-collimation diffraction of two-dimensional metal–dielectric grating with azimuth angle of 45°
Published 2025-01-01“…Grating under auto-collimation configuration with polarization-independent high diffraction efficiency plays an important role in the displacement measurement system, spectral beam combining system and so on. …”
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Diffractive remote focusing module for high-NA scanning microscopy operating at Galvo speeds
Published 2025-01-01“…The moiré lens is specially adapted to allow a large optical power change of ±13 dpt in this angular range while compensating for the spherical aberrations, which otherwise would be induced by the focus shift. …”
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Layered multiple scattering approach to Hard X-ray photoelectron diffraction: theory and application
Published 2025-05-01“…Abstract Photoelectron diffraction (PED) is a powerful technique for resolving surface structures with sub-angstrom precision. …”
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Non-Volatile Reconfigurable Optical Digital Diffractive Neural Network Based on Phase Change Material
Published 2024-01-01“…Optical diffractive neural networks have sparked extensive research due to their low power consumption and high-speed capabilities in image processing. …”
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An Extended Analytic Solution of Combined Refraction and Diffraction of Long Waves Propagating over Circular Island
Published 2012-01-01“…The present solution is suitable for arbitrary bottom configurations described by a power function with two independent parameters. For the case of the paraboloidal shoal, there exists a singular point (α=2) which can be removed using Frobenius series, where α is a real constant. …”
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Short Term Analysis of New Single-Piece Aspheric Diffractive Trifocal Intraocular Lens Implantation
Published 2019-03-01“…Evaluation of short-term (up to 9 months) results of new one-piece aspherical diffractive trifocal intraocular lens implantation. …”
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Quelques aspects de la propagation des ondes radioélectriques
Published 2012-01-01Subjects: “…radiated power…”
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