OVD process:150mm G.652.D Fiber Optical Preform
Preform Specifications
Preform Dimensiones
Praeformatio dimensionis erit ut in Tabula 1.1 infra.
Table 1.1 Preform Dimensiones
Item | Requisita | Animadverte | |
1 | Mediocris Preform Diameter (OD) | 135 ~ 160 mm | (Note 1.1) |
2 | Maximum Preform Diameter (ODmax) | ≤ 160 mm | |
3 | Minimum Preform Diameter (ODmin) | ≥ 130 mm | |
4 | Tolerantia OD (intra Preform) | ≤ 20 mm. | |
5 | Preform Longitudo (including parte ansa) | 2600 ~ 3600 mm | (Note 1.2) |
6 | Longitudo efficax | ≥ 1800 mm | |
7 | lychnus longitudinis | ≤ 250 mm | |
8 | Diametro ad finem cerei | ≤ 30 | |
9 | Preform Non circulationis | ≤ 1% | |
10 | Concentricitas Error | ≤ 0.5 μm | |
11 | Aspectus | Nota 1.4 & 1.5. |
Figura 1.1 Figura Preform
Nota 1.4: Bullae in regione externa (cf. figura 1.2) permittantur, secundum magnitudinem; numerus bullarum per unitatem volumen non excedat has stipulationes in Tabula 1.2 infra.
Table 1.2 Bulla in Preform
Location et magnitudine Bullarum | Numerus / 1,000 cm3 | |
Core Regio (core + interior cladding) | (Vide Nota 1.5) | |
Exteriore Cladding Regio (Interface + exterioris cladding) | ~ 0.5 mm | Nullus Comes |
0.5 ~ 1.0 mm | ≤ 10 | |
1.0 ~ 1.5 mm | ≤ 2 | |
1.5 ~ 2.0 mm | ≤ 1.0 | |
2.1 mm ~ | (Vide Nota 1.5) |
Figure 1.2 Cross-sectional View of a Preform
Figure 1.2 Cross-sectional View of a Preform
Crimen pondus
Scopum Fiber Characteres
Cum condiciones ductae et condiciones mensurationis optimae et stabiles sint, praeparationes exspectandae sunt ut fibra specificationum scopo occurrat, ut in Tabula 2.1.
Mensa 2.1 Target Fibre Characteres
Item | Requisita |
| |
1 | Attenuation at 1310 nm | ≤ 0.34 dB/km |
|
Attentio ad 1383 nm | ≤ 0.34 dB/km | (Note 2.1) | |
Attenuation at 1550 nm | ≤ 0.20 dB/km |
| |
Attenuation at 1625 nm | ≤ 0.23 dB/km |
| |
Uniformitas Attenuation | ≤ 0.05 dB/km ad 1310&1550 nm |
| |
2 | Modus Field Diameter ad 1310 nm | 9.1± 0.4 µm |
|
3 | Cable Cutoff Necem (λcc) | ≤ 1260 nm |
|
4 | Nulla dispersio Necem (λ0) | 1300 ~ 1324 nm |
|
5 | Dispersio apud 1285~1340 nm | -3.8 ~ 3.5 ps/(nm·km) |
|
6 | Dispositio 1550 nm | 13.3 ~ 18.6 ps/(nm·km) |
|
7 | Dispositio 1625 nm | 17.2 ~ 23.7 ps/(nm·km) |
|
8 | Dispersio Clivo ad λ0 | 0.093 ~ 0.092 ps/(nm2·km) |
|
9 | Core Concentricitas Error | ≤ 0.6 µm |
Nota 2.1: Attenuatio ad 1383 um post hydrogenii experimentum senescit, in Tabula 2.1 non comprehenditur quia valde pendet a conditionibus extractionis fibra.