Single Mode Bare Color Glass Optical Fiber G652D Optical Optic Fiber Suppliers
A bare fiber, a core with its cladding surrounded by a coating-is still very sensitive to the adverse environment regardless of
how perfect the coating is . Thus , in practice, you will find a fiber only in some protective enclosure, which is called fiber-optic cable,
Since optical fiber is the main transmission medium in modern telecommunications .
Nude Optical Fibers (Bare glass fibers) are based on silica or other glass materials. The glass surface is susceptible to abrasion and mechanical flaws. To protect the cable from the environment, the buffer coating or jacket fits over the core and cladding.
The diameter ranges from 250μm to 900μm, usually 250um for single mode and multimode fibers,
but 400um is also very common in polarization maintaining fibers.
It provides mechanical protection while allowing for flexibility in the fiber.
It provides mechanical protection while allowing for flexibility in the fiber.
The buffer coating is usually made of a soft or hard plastic such as acrylic or nylon.
Kevlar is a popular choice for the jacket material.
It is strong and used to bundle and protect the loose tubes or fibers in the cable.
Kevlar protects the fibers when the tension is placed on the cable.
The color of this jacket typically depends on the type of fiber, single mode fibers typically wear a yellow
jacket and multi-mode fibers wear an orange jacket.
G.652D Single Mode Optical Fiber (B1.3) |
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Zero-dispersion wavelength | | |
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| | PMD single fiber | | |
| PMD Q links | | |
| | 1310nm | | |
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Core-cladding concentricity error | | |
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Cladding/coating concentricity error | | |
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Macrobend attenuation (ф 50mm, 100 cycles) | | | |
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| Bending radius | | |
| Dynamic fatigue parameters | | |
Additional Attenuation @1310nm & @1550nm | Temperature cycling test:
(-60℃～85℃, 3 cycles) | | |
| Water soak test:
(23℃ for 30 days) | | |
| Damp heat test:
(85℃, 85%RH for 30 days) | | |
Thermal aging test (85℃ for 30 days) | | |
| Warm water soak test: (60℃ for 15 days) | | |
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| | 1310nm | ≤0.35 | dB/km |
| 1383nm | ≤0.33 | dB/km |
| 1550nm | ≤0.21 | dB/km |
| 1625nm | ≤0.24 | dB/km |
Attenuation wavelength characteristic 1285nm～1330nm VS 1310nm
1360nm～1410nm VS 1383nm
1525nm～1575nm VS 1550nm |
≤0.03
≤0.05
≤0.02
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| | 1288nm～1339nm | |D|≤3.4 | ps/(nm·km) |
| 1271nm～1360nm | |D|≤6.3 | ps/(nm·km) |
| 1550nm | ≤17.5 | ps/(nm·km) |
| Zero-dispersion wavelength | 1300～1324 | (nm) |
| Zero-dispersion slope | ≤0.092 | ps/(nm2•km) |
| | PMDsingle fiber | ≤0.15 | ps/√km |
| PMDQ links | ≤0.08 | ps/√km |
| cladding diameter | 125±1.0 | μm |
| Cladding non-circularity | ≤0.8 | % |
| Core-cladding concentricity error | ≤0.6 | μm |
| Coating diameter | 242±7 | μm |
| cladding/coating concentricity error | ≤10.0 | μm |
| cut-off wavelength | 1.18～1.33 | μm |
| Macrobend attenuation
(ф 50mm, 100 cycles) | 1550nm(dB) | ≤0.05 | dB |
| 1625nm(dB) | ≤0.05 | dB |
| bending radius | ≥5 | m |
| tensile strength
Wilbur probability level | ≥3.14 (15%) | Gpa |
| ≥3.80 (50%) |
| Dynamic fatigue parameters | ≥20 | nd |
| Fiber proof-tested | 1.3≤Fmin-max ≤8.9 | N |
| 1.0≤Fave.≤5.0 | N |
Temperature cycling test: (-60℃～85℃,3 cycles) | Attenuation @1310nm & @1550nm | ≤0.05 | dB/km |
| Watersoak test: (23℃ for 30 days) | ≤0.05 | dB/km |
| Damp heat test: (85℃,85 for 30 days) | ≤0.05 | dB/km |
| thermal aging test
(85℃ for 30 days) | ≤0.05 | dB/km |
| Warm water test
(60℃ for 15 days) | ≤0.05 | dB/km |
Ordering options:
*Patch cord or pigtail
*Fiber type:9/125um(SM),50/125um(MM),62.5/125um(MM)
*Endface type: PC, APC,UPC
*Cable number:duplex,simplex
*Cable diameter:0.9mm,2.0mm,3.0mm......
*Cable length: customized
*Cable material: PVC,LSZH,OFNR,OFNP
Glass Bare Fiber Info From Hicorpwell.pdf
