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Modified Streak Camera Captures 100B Frames Per Second

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A modified streak camera is fast enough to capture the movement of a single laser pulse in real time. Streak cameras measure the intensity variation in a pulse of light with time, but in only one dimension. Researchers at Washington University gave their camera 2-D capabilities using a wider aperture and a technique they call compressed ultrafast photography (CUP). The imaging speed of CCD and CMOS sensors is limited to about 10 million fps by their on-chip storage and electronic readout speed. In contrast, CUP captures events at up to 100 billion fps, enabling temporal resolution...Read full article

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    Published: December 2014
    Glossary
    astronomy
    The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
    streak camera
    A high-speed cine camera used to record, on a continuously moving film, very brief events such as a flash of light. The image is recorded as a continuous image, not as a series of individual frames.
    camerasCCDCMOSastronomyinfrared camerasResearch & TechnologyAmericasMissouriWashington University in St. LouisLihong WangImagingultrafast imagingstreak cameraBiophotonicsTech Pulse

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