Fabrication of Fiber Bragg Grating Coating with TiO₂ Nanostructured Metal Oxide for Refractive Index Sensor

Figure 9

The SEM pictures of the D-shaped fiber coated with nanostructured metal oxide material (TiO₂). (a) is an amplified image of (b). The mean values of the resultant thickness measurement are shown in Figure 10.

(a)

(b)