Table 2 Types and lengths of fibers for the proposed comb filter structure.
Sample Number | Fiber 1 | Fiber 2 | Extinction Ratio(dB) | ||
---|---|---|---|---|---|
Material | Length (mm) | Material | Length (mm) | ||
a | AFS105/125 | 4.0 | ANDREW55 | 0.6 | 17.01 |
b | AFS105/125 | 5.3 | ANDREW55 | 1.6 | 12.06 |
c | NC61.5 | 20.1 | ANDREW55 | 2.1 | 11.15 |
d | AFS50/125 | 8.3 | ANDREW55 | 3.0 | 12.75 |
e | NC125 | 7.0 | ANDREW55 | 3.3 | 11.51 |
f | SM460 | 7.2 | SM460 | 3.6 | 10.17 |