Results 31 to 40 of about 696,698 (308)
High-Speed Time-Resolved Tomographic Particle Shadow Velocimetry Using Smartphones
, 2020 The video-capabilities of smartphones are rapidly improving both in pixel resolution and frame-rates. Herein we use four smartphones in the “slow-mo” option to perform time-resolved Tomographic Particle Shadow Velocimetry of a vortex ring ...
Kenneth R. Langley +5 more
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Imaging high-speed friction at the nanometer scale
Nature Communications, 2016 It has been a challenge to characterize microscopic origins of friction at high velocities. Here authors extend atomic force microscopy to develop a dynamic technique combining force sensitivity and spatial resolution and able to probe, at each image ...
Per-Anders Thorén +4 more
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Spatio‐Spectral‐Temporal Imaging of Fast Transient Phenomena Using a Random Array of Pinholes
Advanced Photonics Research, 2021 Fast transient phenomena such as light–matter interactions, rapid electrical discharge, light scattering in tissues, and biochemical reactions that generate light signatures can be studied using high‐speed cameras. Herein, a lensless, single camera shot,
Vijayakumar Anand +3 more
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Effect of MDI Actuation Timing on Inhalation Dosimetry in a Human Respiratory Tract Model
Pharmaceuticals, 2022 Accurate knowledge of the delivery of locally acting drug products, such as metered-dose inhaler (MDI) formulations, to large and small airways is essential to develop reliable in vitro/in vivo correlations (IVIVCs). However, challenges exist in modeling
Mohamed Talaat, Xiuhua Si, Jinxiang Xi
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Video-rate or high-precision: A flexible range imaging camera
, 2008 A range imaging camera produces an output similar to a digital photograph, but every pixel in the image contains distance information as well as intensity.
Dorrington, Adrian A. +13 more
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High-speed imaging of impact processes
, 2017 Paper 103281O, 16 S.Impact processes are highly transient processes requiring high time resolution for diagnostics techniques. Fraunhofer EMI performs impact and other highly dynamic experiments under laboratory conditions, allowing close-proximity ...
M. Wickert, Wickert, Matthias
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Multiple CR Spatiotemporal Compressive Imaging System
SensorsHigher spatial and temporal resolutions are two important performance parameters in an imaging system. However, due to hardware limitations, the two resolutions are usually mutually restricted.
Xiaowen Hao, Dingaoyu Zhao, Jun Ke
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Dynamic ultra high speed Scheimpflug imaging for assessing corneal biomechanical properties
Revista Brasileira de Oftalmologia, 2013 OBJECTIVE: To describe a novel technique for clinical characterization of corneal biomechanics using non-invasive dynamic imaging. METHODS: Corneal deformation response during non contact tonometry (NCT) is monitored by ultra-high-speed (UHS) photography.
Renato Ambrósio Jr +7 more
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Laser beam powder bed fusion of Inconel 718 under high power and scanning speed
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2023 The process map area of laser beam powder bed fusion for the nickel-based superalloy Inconel 718 is investigated using high laser power (600-1000 W) and scanning speeds (1500-3500 mm/s).
Toshi-Taka IKESHOJI +3 more
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High speed super-resolution localization photoacoustic microscopy
, 2021 Photoacoustic imaging is a promising biomedical imaging technology that can provide the biological information of animals and humans in vivo. Taking advantages of both optics and ultrasound simultaneously, the photoacoustic imaging has rich optical ...
Kim, Chulhong +3 more
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