Visualizing Light at Trillion FPS

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A camera capable of visualising the movement of light has been unveiled by a team of scientists in the US.

The new technique, which we call Femto Photography, consists of femtosecond laser illumination, picosecond-accurate detectors and mathematical reconstruction techniques. Our light source is a Titanium Sapphire laser that emits pulses at regular intervals every ~13 nanoseconds.

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