Just wait a Femtosecond -- COMPAMED Trade Fair

Just wait a Femtosecond


Image: Illustration of the new scanning tunneling microscopy system with the pump-probe laser; Copyright: University of Tsukuba

In the new technique, a "pump" laser is used to excite the material, followed quickly by a "probe" laser. The delay time is controlled by movable mirrors that change the distance the probe beam has to travel. At the speed of light, this translates into delay times on the order of femtoseconds.

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Image: Microscope; Copyright: Messe Düsseldorf