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Single-shot real-time video recording of a photonic Mach cone induced by a scattered light pulse

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Science Advances  20 Jan 2017:
Vol. 3, no. 1, e1601814
DOI: 10.1126/sciadv.1601814

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Abstract

Ultrafast video recording of spatiotemporal light distribution in a scattering medium has a significant impact in biomedicine. Although many simulation tools have been implemented to model light propagation in scattering media, existing experimental instruments still lack sufficient imaging speed to record transient light-scattering events in real time. We report single-shot ultrafast video recording of a light-induced photonic Mach cone propagating in an engineered scattering plate assembly. This dynamic light-scattering event was captured in a single camera exposure by lossless-encoding compressed ultrafast photography at 100 billion frames per second. Our experimental results are in excellent agreement with theoretical predictions by time-resolved Monte Carlo simulation. This technology holds great promise for next-generation biomedical imaging instrumentation.

Keywords
  • imaging techniques
  • imaging instrumentation
  • ultrafast imaging
  • streak imaging
  • compressed sensing
  • image reconstruction techniques
  • light scattering dynamics
  • Monte Carlo simulation

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.

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