All-Optical Surface Micropatterning by Electric Field Intensity Gradient

Figure 8

(a, b) AFM pictures of three-beam holographic recording in As₄S_1.5Se_4.5 sample and (c) its comparison with the theoretical light interference intensity distribution. In this case all three beams are with the same polarization direction; hexagon shaped structure is highlighted in each picture.

(a)

(b)

(c)