Applications
G.652 standard single-mode fibre backbone and MAN communication systems
DWDM transmission system
SDH transmission system
CATV
Dispersion adjustment
Characteristics
Broad-band dispersion compensation and extremely
low residual dispersion in the DWDM system
80%~120% slope compensation in C/L-band
Low insertion loss and high negative dispersion coefficient
High figure of merit (FOM)
Low PMD
Excellent splicing characteristics of new DCF

Standard Products
DCF for G.652C band (Part No.: DM1012-A)
DCF for G.655C band (Part No.: DM1011-A)
DCF for CATV and high FOM (Part No.: DM1013-A)

Specifications
| Fibre type | TDCF-G.652C/170 | BD NDCF-G.652C/250 | BD SNDCF-G.652C/170 | DCF-G.655C/250 | SDCF-G.652C/170LD |
|---|---|---|---|---|---|
| Part No. | DM1010-D | DM1012-A | DM1012-D | DM1011-A | DM1013-A |
| Optical properties | |||||
| Operating wavelength (nm) | 1525 ~ 1565 | 1525 ~ 1565 | 1525 ~ 1565 | 1525 ~ 1565 | 1525 ~ 1565 |
| Attenuation at 1525-1565 nm (dB/km) | ≤0.62 | ≤0.62 | ≤0.62 | ≤1.4 | ≤0.6 |
| Dispersion coefficient at 1545 nm (ps/nm·km) | -100 ~ -250 | -100 ~ -200 | -100 ~ -200 | -160 ~ -360 | ≤-160 |
| Relative dispersion slope at 1545 nm (nm⁻¹) | 0.00309 ~ 0.00410 | 0.00309 ~ 0.00410 | 0.00309 ~ 0.00410 | 0.0176 ~ 0.0264 | 0.00309~0.00410 |
| Geometrical properties | |||||
| Cladding diameter (μm) | 87.0±4.0 | 120.0±10.0 | 120.0±10.0 | 110.0±10.0 | 120.0±10.0 |
| Coating diameter (μm) | 170.0±10.0 | 245.0±10.0 | 175.0±15.0 | 245.0±10.0 | 175.0±15.0 |
| Cladding non-circularity (%) | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 |
| Core/cladding concentricity error (μm) | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 |
| Coating material | Dual-layer, UV-cured acrylate | Dual-layer, UV-cured acrylate | Dual-layer, UV-cured acrylate | Dual-layer, UV-cured acrylate | Dual-layer, UV-cured acrylate |