Sensitivity Enhancement of Heterocore Macrobend Fiber Optics by Adding a ZnO Film

Figure 3

Graph of electric field and power flow at Port 1 (input) and Port 2 (output) when the refractive index of cladding is (a)  = 1.4612, (b)  = 1, and (c)  = 1.709.

(a)

(b)

(c)