Time-Resolved 2PPE and Time-Resolved PEEM as a Probe of LSP's in Silver Nanoparticles
Figure 14
PEEM images of a silver particle pair array (diameter: 50 nm, height:
40 nm, and grating constant: 740 nm)
with a centre-to-centre distance of 130 nm: (a) 1P-PEEM image taken at a photon
energy of 4.9 eV; (b) 2P-PEEM image taken at a photon energy of 3.1 eV
(p-polarised light, light coming from the right).