First recording of a Photonic Mach cone

Scientists using ultrafast cameras, captured ‘sonic booms’ of light for first time.

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

Above, a photonic Mach cone is created when an ultrafast particle gives off a shock wave, scattering the light around.  Credit Jinyang Liang and Lihong V. Wang



Until now, imaging methods have not been fast enough to catch the phenomenon in real time.

First recording of a Photonic Mach cone

Credit Jinyang Liang and Lihong V. Wang

According to the scientists, ultrafast video recording of ‘spatiotemporal light distribution in a scattering medium’ will have a significant impact in biomedicine.



First recording of a Photonic Mach cone

Schematic of LLE-CUP. Lower left inset: Illustration of complementary spatial encoding for two time-sheared views. The on pixels are depicted in red for View 1 and depicted in crimson for View 2. The off pixels are depicted in black for both views. The combined mask shows that the two spatial encodings are complementary. Upper right inset: Close-up of the configuration before the streak camera’s entrance port (dashed black box).   Credit Jinyang Liang and Lihong V. Wang

source ScienceAdvances