Single-mode Optical Fiber G.652.D
This specification corresponds to fibers optimized for transmission in the wavelengths of 1310 nm to 1550 nm, including the region of 1383 nm and according to subcategory G.652.D of ITU-T.
The core comprises doped silicon dioxide, surrounded by a silicon dioxide coating, the coating is composed of two layers of acrylate cured by UV.
Optical and geometric specifications
Optical parameters | Fiber not wired | Wired fiber |
Attenuation at 1310 nm | ≤ 0,35 dB/Km | ≤ 0,37 dB/Km |
Attenuation at 1383 nm | ≤ 0,35 dB/Km | ≤ 0,37 dB/Km |
Attenuation at 1550 nm | ≤ 0,21 dB/Km | ≤ 0,24 dB/Km |
Attenuation at 1625 nm | ≤ 0,23 dB/Km |
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Attenuation at 1285-1625 nm | ≤ 0,40 dB/Km |
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Max. discontinuity point in 1310 y 1550 nm | ≤ 0,05 dB |
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Cutoff wavelength | 1100 - 1320 nm | ≤ 1260 nm |
Zero dispersion point | 1300-1324 nm | |
Zero dispersion slope | ≤ 0,090 ps/nm2.Km | |
Chromatic Dispersion in 1285 –1330 nm | ≤ 3,5 ps/nm.Km | |
Chromatic Dispersion in 1550 nm | ≤ 18,0 ps/nm.Km | |
Chromatic Dispersion in 1625 nm | ≤ 22,0 ps/nm.Km | |
PMD single fiber | ≤ 0,15 ps/√Km | |
PMDq (Q=0,01%, N=20) | ≤ 0,08 ps/√Km | |
Geometric parameters | |
Modal field diameter 1310 nm | 9,20 ± 0,40 µm |
Modal field diameter 1550 nm | 10,40 ± 0,50 µm |
Concentricity error core/cladding | ≤ 0,4 µm |
Cladding diameter | 125,0 ± 0,50 µm |
Concentricity error coating/cladding | ≤ 12 µm |
Non-Circularity coating | ≤ 10 % |
Coating diameter (colored) | 250 ± 15 µm |
Mechanical and environmental specifications
Mechanical specifications | |
Prooftest level | 1,2 % (120 kpsi, 0,86 GPa) |
Minimum bending radius | 30 mm |
Macrobend Induced attenuation: | |
1 turn over 32 mm at 1550 nm | ≤ 0,50 dB |
100 turns over 50 mm at 1310 nm | ≤ 0,05 dB |
100 turns over 50 mm at 1550 nm | ≤ 0,10 dB |
100 turns over 60 mm at 1625 nm | ≤ 0,50 dB |
Peeling force (F) (peak value) | 1,3 N ≤ F ≤ 8,9 |
Peeling force (F) (mean value) | 1 N ≤ F ≤ 5 |
Dynamic fatigue (nd) | 20 (typical value) |
Static fatigue (ns) | 20 (typical value) |
Environmental specifications | |
Induced attenuation at 1310, 1550 and 1625 nm: | |
-60ºC ~+85ºC temperature cycle | ≤ 0,05 dE/Km |
-10ºC ~+85ºC/ until 98% RH. Temperature and humidity cycle | ≤ 0,05 dE/Km |
+85ºC +/- 2º C. Dry heat | ≤ 0,05 dB/Km |
+23ºC +/- 2º C. Water Immersion | ≤ 0,05 dB/Km |
Typical values
Refractive index of effective group | |
1310 / 1383 nm | 1,466 |
1550 nm | 1,467 |
1625 nm | 1,470 |