Second-Order Nonlinear Optical Microscopy of a H–Si(111)1 × 1 Surface in Ultra-High Vacuum Conditions

<table>SFG intensity spectra of a H–Si(111)1 × 1 surface before (black squares), 10 minutes after (dark gray triangles), and 18 hours after (light gray circles) IR light pulse irradiation.</table>

Physics Research International

fig5

Figure 5

Figure 5: Second-Order Nonlinear Optical Microscopy of a H–Si(111)1 × 1 Surface in Ultra-High Vacuum Conditions 