Cover Picture: Ann. Phys. 1-2'2013


Femtosecond electron switch. A laser pulse causes diffractive scattering of a synchronous electron pulse from a plasmonic structure. The electrons can interact through the ponderomotive potential and the instantaneous electric field of the near-field enhanced laser pulse.

Picture: M. Becker et al., 10.1002/andp.201200206, p. L6 in this issue