Fibre optique
Fibre optique monomode
G.652.D
ITU-T G.652.D · faible pic d'eau · spectre complet 1260–1625 nm
Fibre monomode standard à pic d'eau supprimé : toute la fenêtre 1260–1625 nm, bande E comprise, est exploitable. Le choix par défaut pour les liaisons longue distance, le métro et le CWDM.
Points clés
- (1) Comply to or superior to the ITU-T G.652D recommendation and IEC 60793-2-50 B1.3 specification.
- (2) Designed for operation over 1260nm to 1625nm wavelength spectrum.
- (3) Outstanding optical performance supporting high-speed transmission requirement of DWDM and CWDM.
- (4) Excellent PMD performance, supporting high-speed and long repeater spacing transmission system.
- (5) Compatible with existing 1310nm equipment.
Qualité & conformité
G.652.D
Normes & certifications
ITU-T G.652.DIEC 60793-2-50
Points forts qualité
- Attenuation @ 1310 nm: ≤ 0.34 dB/km
- Attenuation @ 1383 nm: ≤ 0.31 dB/km (after hydrogen ageing)
- Attenuation @ 1550 nm: ≤ 0.20 dB/km
- Chromatic dispersion @ 1550 nm: ≤ 18 ps/(nm·km)
- Zero dispersion wavelength: 1300 – 1324 nm
Caractéristiques techniques
G.652.D
| Attenuation @ 1310 nm | ≤ 0.34 dB/km |
|---|---|
| Attenuation @ 1383 nm | ≤ 0.31 dB/km (after hydrogen ageing) |
| Attenuation @ 1550 nm | ≤ 0.20 dB/km |
| Chromatic dispersion @ 1550 nm | ≤ 18 ps/(nm·km) |
| Zero dispersion wavelength | 1300 – 1324 nm |
| Cable cut-off wavelength λcc | ≤ 1260 nm |
| PMD link design value | ≤ 0.06 ps/√km |
| Mode field diameter @ 1310 nm | 9.2 ± 0.4 µm |
|---|---|
| Cladding diameter | 125.0 ± 0.7 µm |
| Coating diameter | 242 ± 5 µm |
| Core / cladding concentricity error | ≤ 0.5 µm |
| Cladding non-circularity | ≤ 0.7 % |
| Proof test | ≥ 100 kpsi (0.69 GPa) |
|---|---|
| Macrobend (100 turns, Ø50 mm, 1625 nm) | ≤ 0.05 dB |
| Operating temperature | -60 °C ~ +85 °C |
| Standards | ITU-T G.652.D, IEC 60793-2-50 type B1.3 |
| Characteristics | Unit | Value | |
|---|---|---|---|
| Geometrical | Cladding Diameter | μm | 125.0±1.0 |
| Cladding Non-circularity | % | ≤1.0 | |
| Core-Cladding Concentricity Error | μm | ≤0.6 | |
| Core Non-circularity | % | ≤12 | |
| Coating Diameter | μm | 243±0.5 | |
| Coating-Cladding Concentricity Error | μm | ≤12 | |
| Curl Radius | m | ≥4 | |
| Attenuation | 1310nm | dB/km | ≤0.35 |
| 1383nm | dB/km | ≤0.33 | |
| 1550nm | dB/km | ≤0.21 | |
| 1625nm | dB/km | ≤0.24 | |
| Attenuation vs Wavelength Max Difference | 1285nm ~ 1330nm vs 1310nm | dB/km | ≤0.04 |
| 1525nm ~1575nm vs 1310nm | dB/km | ≤0.03 | |
| 1485nm ~1580nm vs 1550nm | dB/km | ≤0.04 | |
| Dispersion Coefficient | 1285nm~1340nm | ps/(nmkm) | ≥-3.5 ≤3.5 |
| 1271nm~1360nm | ps/(nmkm) | ≥-5.3 ≤5.3 | |
| 1480nm~1580nm | ps/(nmkm) | ≤20 | |
| 1550nm | ps/(nmkm) | 13.3-18 | |
| 1625nm | ps/(nmkm) | 17.2-23 | |
| Zero Dispersion Wavelength λ0 | nm | 1300-1324 | |
| Zero Dispersion Slope S0 | ps/(nm²km) | 0.073-0.092 | |
| Typical Value | ps/(nm²km) | ≤0.086 | |
| PMD | Maximum Individual Fiber | ps/√km | ≤0.06 |
| Link (M=20, Q=0.01%) | ps/√km | ≤0.06 | |
| Typical Value | ps/√km | ≤0.04 | |
| Cable Cut-off Wavelength λcc | nm | 1180-1330 | |
| MFD | 1310nm | μm | 9.1±0.4 |
| 1550nm | μm | 10.4±0.5 | |
| Effective Group Index of Refraction | 1310nm | 1.4672 | |
| 1550nm | 1.4683 | ||
| Point Discontinuity | 1310nm | dB | ≤0.05 |
| 1550nm | dB | ≤0.05 | |
| Temperature Cycling | -60ºC ~+85ºC | dB/km | ≤0.03 |
| Temperature Humidity Cycling | 85ºC, RH 85%, 30 Days | dB/km | ≤0.03 |
| Water Immersion | 23ºC, 30 Days | dB/km | ≤0.03 |
| Dry Heat Aging | 85ºC, 30 Days | dB/km | ≤0.03 |
| Proof Test | % | ≥1 | |
| N | ≥9.1 | ||
| Gpa | ≥0.73 | ||
| Coating Strip Force | Peak Force | N | 1.3-8.9 |
| Typical Value | N | 1.9 | |
| Dynamic Fatigue Nd | ≥20 | ||
| Macro-bend Induced Attenuation | 1 turn around a mandrel of Φ 32 mm ,1310nm | dB | ≤0.05 |
| 100 turns around a mandrel of Φ 60 mm 1550nm | dB | ≤0.05 | |
| 100 turns around a mandrel of Φ 60 mm , 1625nm | dB | ≤0.05 | |
| Length per reel | km | 24.4/48.8/50.4 | |
Illustration
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