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

Table 1

Different concentrations of sol-gel preparation for thickness measurements.

Ethanol (g)	TiCl4 (g)	F-127 (g)	HCl (g)
4.5	0.48	0.5	0.7
7.5	0.48	0.5	1.18
9.5	0.48	0.5	1.4
10.5	0.48	0.5	1.42