Table 1 Differential reflectivity, normalized to pump fluence Φ, and experimentally determined σ(2) extracted using the model of14 for three geometries (a), (b) and (c). For all geometries λprobe = 617.53 nm.
From: Origins of All-Optical Generation of Plasmons in Graphene
Geometry | θ pump | θ probe | λpump (nm) | \(\frac{{\omega }_{3}}{2\pi }\) (THz) | \(\frac{{\rm{\Delta }}R}{R{\rm{\Phi }}}\) (mJ−1 cm2) | σ(2) (fAmV−2) |
|---|---|---|---|---|---|---|
(a) | 45° | 55° | 607 | 7.0 | −0.0097 | 24 |
(b) | 50° | 70° | 597 | 15.3 | −0.025 | 75 |
(c) | 125° | 15° | 587 | 23.8 | 0.062 | 180 |