File:Apparent superluminal light-in-flight observation captured with megapixel SPAD camera.webm
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a video demonstrating a superluminal light-in-flight observation captured with megapixel SPAD camera
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Русский: Recent progress in high-speed imaging techniques enables researchers to optically observe phenomena that occur in mere picoseconds or nanoseconds. Using a newly developed high-speed megapixel single-photon camera, th authors successfully capture the propagation of a laser pulse reflected by multiple mirrors in unprecedented spatiotemporal resolution. The recorded light-in-flight video exhibits a counterintuitive behavior of light propagation: The velocity of light appears to exceed the speed of light in vacuum when the light propagates toward the camera. In-depth modeling and machine-learning-based analysis of this exotic phenomenon enables to reconstruct the complete 4D dynamics of the laser propagation based on the measured 3D data set. The recorded apparent speed of light is as high as 3.57 times the speed of light in vacuum. |
| Date | |
| Source | Phys. Rev. X 11, 011005 |
| Author | Kazuhiro Morimoto, Ming-Lo Wu, Andrei Ardelean, and Edoardo Charbon |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:38, 14 January 2021 | 9.0 s, 1,024 × 500 (280 KB) | Artem Korzhimanov (talk | contribs) | Uploaded a work by Kazuhiro Morimoto, Ming-Lo Wu, Andrei Ardelean, and Edoardo Charbon from [https://doi.org/10.1103/PhysRevX.11.011005 Phys. Rev. X 11, 011005] with UploadWizard |
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