Sculpted light steers ultrafast electron flow in an atomic-scale microscope
esearchers at the Technion – Israel Institute of Technology have taken an important step toward developing a microscope capable of tracking electron movement in both space and time. In a study published in Nature Photonics, a team led by Prof. Michael Krüger of the Technion Faculty of Physics used carefully shaped laser pulses to control the direction of electron flow across the tiny...
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A Technion team used shaped infrared laser pulses in a scanning tunneling microscope to control the direction of electron flow across the tip-sample gap and to reconstruct ultrafast current bursts. Someone would visit to read about a method that combines nanoscale spatial resolution with attosecond time resolution for studying and potentially controlling electron motion in materials.
- Steer electron current direction by timing two-color laser pulses
- Reconstruct current bursts lasting about 860 attoseconds
- Maintain ~2 nm lateral resolution and sub-ångström height sensitivity
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Sculpted light steers ultrafast electron flow in an atomic-scale microscope (eurekalert.org): A Technion team used shaped infrared laser pulses in a scanning tunneling microscope to control the direction of electron flow across the tip-sample gap and to reconstruct ultrafast current bursts. Someone would visit to read about a method that combines nanoscale spatial resolution with...
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