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