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Ultrafast Time-of-Flight Imaging Combats Telescopes' Stray Light Problem

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LIEGE, Belgium, May 31, 2021 — Researchers at Centre Spatial de Liege (CSL) of the University of Liege have advanced the field of space engineering through a newly developed, laser-based method for the identification of the contributors and origins of stray light on space telescopes. As the power (and, as a result, imaging capabilities) of space telescopes continues to increase, the developed method is poised to help in the acquisition of even finer space images and the development of increasingly efficient space instruments. Stray light, which results in light reflections that damage the quality of images obtained...Read full article

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    Published: May 2021
    Glossary
    telescope
    An afocal optical device made up of lenses or mirrors, usually with a magnification greater than unity, that renders distant objects more distinct, by enlarging their images on the retina.
    reflectivity
    The ratio of the intensity of the total radiation reflected from a surface to the total incident on that surface.
    metrology
    Metrology is the science and practice of measurement. It encompasses the theoretical and practical aspects of measurement, including the development of measurement standards, techniques, and instruments, as well as the application of measurement principles in various fields. The primary objectives of metrology are to ensure accuracy, reliability, and consistency in measurements and to establish traceability to recognized standards. Metrology plays a crucial role in science, industry,...
    telescopictelescopic lenstelescopestray lightstray light analysisEuropeUniversite de LiegeResearch & Technologyeducationoptical propertiesreflectivityUniversity of Strasbourgspacespace opticsmetrologyTest and Measurement DeviceTest & MeasurementEuro News

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