Semi Loose Cable, Tight-Buffered Fiber Optic, Multimode, Graded Index
Semi Loose Cable, Tight-Buffered Fiber Optic, Multimode, Graded Index
Optical fibres and hybrids (optical + electrical) in harsh environment
更多内容Description
Description
Standards
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ProductNexans specification
Applications
With these high mechanical, chemical and optical properties, this cable has been designed for harsh environments such as :
- Aeronautical
- Geophysics,
- Space,
- Missile,
- Chemical industry.
Construction
- OPTICAL FIBER
Core + cladding + coating + upcoating
Type 62.5/125/250/400 μm
- PRIMARY JACKET
Copolymer zero halogen high temperature
Diameter : 0.90 ± 0.05 mm
- MECHANICAL STRENGTH
Polymer aromatic / glass fiber braid
- OUTER JACKET
Fluoropolymer
Diameter : 1.80 ± 0.10 mm
Minimum bend radius
Storage > 40 mm
Long term > 18 mm
Short term (installation) > 8 mm
Main Data
| Maximum pulling force : Long term : 10 daN Short term : 30 daN |
Effective index of refracttion : at 850 nm : 1.4970 at 1300 nm : 1.4919 |
| Tensile strength : > 100 daN | Numerical aperture : 0.275 +/- 0.015 |
| Nominal weight : < 4.65 kg/km | Cable Bandwith (MHz.km) : at 850 nm : > 400 at 1310 nm : > 1000 |
| Maximum attenuation at 20°C : at 850 nm : < 6 dB/km at 1310 nm : < 3 dB/m |
STRONG POINTS
| Mechanical properties : | Optical properties : |
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Chemical properties :
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CONNECTION
Stripping of primary jacket, buffer and coating.
If mechanical stripping is used , we highly recommend :
- To strip directly from primary jacket to silica
- To carefully clean silica with a solvent such as MEK (Methylethylketone).
Residues of silicone can be removed with a wet tissue by wiping off of different angles in order to clean all the circumference of the silica.
If you dip bare fiber into solvent, take care to avoid contact between solvent and other part of the cable such as strength members, silicone and jacket.
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