|
|
Item |
|
Unit |
Index |
Testing method |
|
Geometric dimensions |
Fiber diameter |
A1a
A1a |
μm |
50.0±3.0
62.5±3.0 |
|
|
Cladding diameter |
|
μm |
125.0±2.0 |
|
|
Core/cladding concentricity |
|
μm |
≤3.0 |
|
|
Core non-circularity |
|
％ |
≤6.0 |
GB/T 15972.2－A2 |
|
Cladding non-circularity |
|
％ |
≤12.5 |
|
|
First coating diameter |
|
μm |
245.0±5.0 |
|
|
Cladding/coating concentricity error |
|
μm |
≤12.5 |
|
|
Optical and
Transmission
performance |
Numerical aperture |
A1a
A1b |
NA |
0.20-0.22±0.02
0.29±0.03 |
GB/T 15972.4－C6 |
|
Only used at 850nm
Only used at 1300nm
Only used at 850nm and 1300nm |
A1a
A1b |
dB/km |
3.0
0.8
2.5/0.8
3.0/0.7 |
GB/T 15972.4－C1 |
|
Band width |
850nm
1300nm |
MHZ.km |
≥150、200、500、800
≥200、500、800、1000 |
GB/T 15972.4－C2 |
|
Mechanical performance |
Fiber curling
Proof stress
ND（nd value）
Coating remove force |
|
m
Gpa
—
N |
≥4
≥0.69
≥20
average：1.0-5.0
peak：1.3-8.9 |
GB/T 15972.3－B8
GB/T 15972.3－B1
GB/T 15972.3－B7
GB/T 15972.3－B6
|
