Synchronized Infrared Lasers Control Molecular Shape Changes

Researchers at the Fritz Haber Institute have used two ^[1] synchronized infrared laser beams to control molecules as they change structural conformations.

This development allows scientists to observe the exact moment molecules rearrange themselves. By exposing previously hidden spectral fingerprints, the technique provides a new method for studying the microscopic processes that govern chemistry.

The team, comprising members from the Molecular Physics and Physical Chemistry departments, utilized the synchronized beams to steer molecules between different structures ^[1]. This precision enables the detection of signatures that were previously obscured during the transition phase of a reaction.

"Synchronized infrared lasers steer molecules between structures, exposing clear spectral fingerprints and new ways to study chemical reactions," a report from Nanowerk said.

The researchers focused on the transition between structural conformations, which is a critical step in how chemical reactions occur. By controlling this movement, the team can better understand the fundamental mechanics of molecular rearrangement ^[1].

"Their study provides a new window into how molecules rearrange themselves during chemical reactions, offering fundamental insights into the microscopic processes that govern chemistry," Phys.org said.

The use of infrared (IR) ^[1] technology allows the researchers to interact with the vibrational modes of the molecules. This interaction is what facilitates the control over the molecular shape, and the subsequent exposure of the spectral fingerprints.