Revolutionary Imaging Technique Unlocks Secrets of Matter at Extreme Speeds

Researchers at East China Normal University developed a femtosecond imaging method that captures both intensity and phase changes in ultrafast events in a single measurement.

The technique, called compressed spectral-temporal coherent modulation femtosecond imaging, combines spectral encoding with AI-based reconstruction.

It was demonstrated on water plasma formation and carrier dynamics in ZnSe, where it revealed femtosecond-scale dynamics more clearly than earlier single-shot methods.

The approach could help researchers study ultrafast changes in physics, chemistry, biology, and materials science, with potential uses in lasers, electronics, solar cells, and manufacturing.