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Single-shot ultrafast imaging attaining 70 trillion frames per second.


ABSTRACT: Real-time imaging of countless femtosecond dynamics requires extreme speeds orders of magnitude beyond the limits of electronic sensors. Existing femtosecond imaging modalities either require event repetition or provide single-shot acquisition with no more than 1013 frames per second (fps) and 3?×?102 frames. Here, we report compressed ultrafast spectral photography (CUSP), which attains several new records in single-shot multi-dimensional imaging speeds. In active mode, CUSP achieves both 7?×?1013 fps and 103 frames simultaneously by synergizing spectral encoding, pulse splitting, temporal shearing, and compressed sensing-enabling unprecedented quantitative imaging of rapid nonlinear light-matter interaction. In passive mode, CUSP provides four-dimensional (4D) spectral imaging at 0.5?×?1012 fps, allowing the first single-shot spectrally resolved fluorescence lifetime imaging microscopy (SR-FLIM). As a real-time multi-dimensional imaging technology with the highest speeds and most frames, CUSP is envisioned to play instrumental roles in numerous pivotal scientific studies without the need for event repetition.

SUBMITTER: Wang P 

PROVIDER: S-EPMC7190645 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Single-shot ultrafast imaging attaining 70 trillion frames per second.

Wang Peng P   Liang Jinyang J   Wang Lihong V LV  

Nature communications 20200429 1


Real-time imaging of countless femtosecond dynamics requires extreme speeds orders of magnitude beyond the limits of electronic sensors. Existing femtosecond imaging modalities either require event repetition or provide single-shot acquisition with no more than 10<sup>13</sup> frames per second (fps) and 3 × 10<sup>2</sup> frames. Here, we report compressed ultrafast spectral photography (CUSP), which attains several new records in single-shot multi-dimensional imaging speeds. In active mode, CU  ...[more]

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