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5 March 2021 Compressed ultrafast photography: world's fastest camera captures light propagation at light speed
Lihong V. Wang
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Proceedings Volume 11684, Ultrafast Phenomena and Nanophotonics XXV; 1168403 (2021) https://doi.org/10.1117/12.2575819
Event: SPIE OPTO, 2021, Online Only
Abstract
We have developed CUP to record 70 trillion fps. CUP can record the fastest phenomenon, namely, light propagation, and can be slowed down for slower phenomena. CUP can image in 2D non-repetitive events. CUP has a prominent advantage of measuring an x, y, t scene with a single exposure, thereby allowing observation of transient events occurring on a time scale down to 10s of fs. Further, CUP is receive-only—avoiding specialized active illumination required by other single-shot ultrafast imagers. CUP can be coupled with front optics ranging from microscopes to telescopes for widespread applications in both fundamental and applied sciences.
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Lihong V. Wang "Compressed ultrafast photography: world's fastest camera captures light propagation at light speed", Proc. SPIE 11684, Ultrafast Phenomena and Nanophotonics XXV, 1168403 (5 March 2021); https://doi.org/10.1117/12.2575819
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KEYWORDS
Photography
Ultrafast imaging
Cameras
CCD image sensors
Charge-coupled devices
Pulsed laser operation
Sensors
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