|
Dimensional specifications
|
Unit
|
|
|
|
Glass geometry
|
|
Cladding diameter
|
µm
|
125.0 ± 1.0
|
|
Cladding non circularity
|
%
|
≤ 1.0
|
|
Core/cladding
concentricity error
|
µm
|
≤ 0.8
|
| |
|
Coating geometry
|
|
Outer coating diameter
|
µm
|
245 ± 5
|
|
Coating-cladding
concentricity error
|
µm
|
≤10
|
| |
|
Optical specifications
|
Unit
|
|
|
|
Attenuation coefficients
|
|
@ 1550 nm
|
dB/km
|
≤ 0.23
|
|
@ 1625 nm
|
dB/km
|
≤ 0.25
|
| |
|
Dispersion coefficients
|
|
In the range 1530 - 1565 nm
|
ps/(nm·km)
|
-10 ÷ -4.5
|
|
In the range 1565 - 1625 nm
|
ps/(nm·km)
|
-6.5 ÷ -0.1
|
|
Polarisation mode dispersion (PMD)
|
ps/
Ökm
|
≤ 0.1
|
| |
|
Mode Field Diameter
|
|
@1550 nm
|
µm
|
8.1 ± 0.5
|
| |
|
Typical effective area
(@1550 nm)
|
µm²
|
50
|
| |
|
Cable cut-off wavelength
|
nm
|
≤ 1260
|
