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Hamamatsu Corp. - Earth Innovations LB 2/24

Subwavelength THz Could Improve Image Resolution, Accelerate Imaging Speed

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EXETER, England, Sept. 5, 2017 — A terahertz (THz) imaging technique has been developed that is compatible with adaptive and compressive sensing algorithms. The technique was used to demonstrate image reconstruction at subwavelength dimensions, and could potentially allow three-times-faster image acquisition than conventional technologies. Using a near-field approach, researchers at the University of Exeter achieved a spatial resolution of about nine microns (μm). To remove restrictions on spatial resolution caused by the diffraction limit, they developed a novel setup to measure near-field interactions between THz...Read full article

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    Published: September 2017
    Glossary
    superresolution
    Superresolution refers to the enhancement or improvement of the spatial resolution beyond the conventional limits imposed by the diffraction of light. In the context of imaging, it is a set of techniques and algorithms that aim to achieve higher resolution images than what is traditionally possible using standard imaging systems. In conventional optical microscopy, the resolution is limited by the diffraction of light, a phenomenon described by Ernst Abbe's diffraction limit. This limit sets a...
    Research & TechnologyeducationEuropeImagingterahertz imagingcompressive sensingsuperresolutionBiophotonicscancermedicaladaptive imaging

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