Ultrafast Pump-Probe Setup for Nanostructures Composed by Graphene And/or Ultrathin Metallic Films (IMAGE)
Caption
Schematic representation of the envisioned pump-probe experiment on a graphene/ultrathin metallic film heterostructure. A very intense pump beam (depicted in red) is used to strongly heat up the electrons in graphene to several thousands of Kelvins. This increase in electronic temperature in graphene severely affects the optical properties of the system, allowing for an ultrafast modulation of a probe beam (depicted in green) impinging on the system.
Credit
by Eduardo J. C. Dias, Renwen Yu, F. Javier García de Abajo
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