Second-Order Nonlinear Optical Microscopy of a H–Si(111)1 × 1 Surface in Ultra-High Vacuum Conditions
Figure 8
SFG intensity as a function of the probe delay time of the visible and IR pulses with respect to the pump visible pulses. The IR light wavenumbers are (a) 2019 cm−1 and (b) 2084 cm−1. Solid curves represent a guide to the eye.
