Science

Ultrafast light pulses track molecular motion with three-femtosecond resolution

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 22/10/2026, 23:10:24 UTC.

Briefings

Researchers at Politecnico di Milano successfully observed a molecule's initial light absorption, tracking electron and nuclear motion with three-femtosecond precision. This achievement represents the first direct visualization of coordinated molecular dynamics during the very first instants after photon absorption, utilizing a newly developed apparatus for ultrafast photochemical studies.

Key points

• Researchers at Politecnico di Milano observed a molecule absorbing light and tracked electron and nuclear motion with three-femtosecond resolution.
• The study achieved this by developing a new apparatus specifically designed for studying ultrafast photochemical processes.

Context

This breakthrough allows scientists to visualize molecular dynamics at the femtosecond scale, marking a significant advancement in understanding how light interacts with matter at its most fundamental level.

Limitations

The evidence is limited to a single observation of one molecule's initial absorption event. No additional data regarding the specific chemical identity of the molecule, the exact energy of the absorbed light, or the broader context of the experimental setup is provided.

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