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• Mode division multiplexing(MDM)
• Communication
• Sensing
• Test
Few-mode Fibre (FMF)
YOFC FMFs take advantages of PCVD process which is able to manufacture complex index-profile accurately and optical waveguide structure flexibility to get various types of core layer structure, such like Step-Index, Graded-Index etc.
Details
Documents
Applications
Characteristics
• Strictly controlled optical and geometrical parameters
• Customized waveguide is available
Specification
|
Geometrical Parameter |
Specifications |
|---|---|
|
Cladding Diameter(μm) |
124.5±1.0 |
|
Cladding Non-circularity(%) |
≤0.7 |
|
Core/Clad Concentricity Error(μm) |
≤1.0 |
|
Coating Diameter(μm) |
242±10 |
|
Coat/Clad Concentricity Error(μm) |
≤12 |
|
Curl(radius)(m) |
≥4 |
|
Delivery Length(km/reel) |
2 ~ 25 |
|
Mechanical Properties |
|
| Proof Test Level（kpsi） |
≥100 |
|
|
≥1.0 |
|
|
≥9 |
|
nd |
≥20 |
Two Mode Fibre (Step-Index)
|
|
|
Typical value |
range |
Unit |
|---|---|---|---|---|
|
Core Diameter |
|
|
14±0.5 |
μm |
|
Core Refractive Index@1550nm |
|
|
1.4485 |
--- |
|
Cladding Diameter |
|
|
125±0.7 |
μm |
|
Cladding Non-circularity |
|
|
＜0.7 |
% |
|
Coating Diameter |
|
|
245±5 |
μm |
|
Dispersion@1550nm |
LP01 |
21 |
＜22 |
ps/(nm·km) |
|
LP11 |
19.5 |
＜21 |
ps/(nm·km) |
|
|
Dispersion Slope@1550nm |
LP01 |
0.08 |
＜0.1 |
ps/(nm2·km) |
|
LP11 |
0.07 |
＜0.1 |
ps/(nm2·km) |
|
|
Effective Area@1550nm |
LP01 |
130 |
＞100 |
μm2 |
|
LP11 |
220 |
＞200 |
μm2 |
|
|
Attenuation Coefficient@1550nm |
LP01 |
0.19 |
＜0.21 |
dB/km |
|
LP11 |
0.19 |
＜0.21 |
dB/km |
|
|
Differential Group Delay |
LP11-LP01 |
1.9 |
＜2.1 |
ps/m |
Four Mode Fibre (Step-Index)
|
|
|
Typical Value |
Scope of value |
Unit |
|---|---|---|---|---|
|
Diameter |
|
|
19±1 |
μm |
|
Core Refractive Index@1550nm |
|
|
1.4499 |
--- |
|
Cladding Diameter |
|
|
125±0.7 |
μm |
|
Cladding Non-circularity |
|
|
＜0.7 |
% |
|
Coating Diameter |
|
|
245±5 |
μm |
|
Dispersion@1550nm |
LP01 |
22 |
＜23 |
ps/(nm·km) |
|
LP11 |
23 |
＜24 |
ps/(nm·km) |
|
|
LP21 |
21 |
＜22 |
ps/(nm·km) |
|
|
LP02 |
11 |
＜12 |
ps/(nm·km) |
|
|
Dispersion Slope@1550nm |
LP01 |
0.09 |
＜0.10 |
ps/(nm2·km) |
|
LP11 |
0.09 |
＜0.10 |
ps/(nm2·km) |
|
|
LP21 |
0.07 |
＜0.09 |
ps/(nm2·km) |
|
|
LP02 |
0.01 |
＜0.02 |
ps/(nm2·km) |
|
|
Effective Area@1550nm |
LP01 |
190 |
＞170 |
μm2 |
|
LP11 |
270 |
＞240 |
μm2 |
|
|
LP21 |
310 |
＞290 |
μm2 |
|
|
LP02 |
200 |
＞180 |
μm2 |
|
|
Attenuation Coefficient@1550nm |
LP01 |
0.20 |
＜0.21 |
dB/km |
|
LP11 |
0.20 |
＜0.21 |
dB/km |
|
|
LP21 |
0.20 |
＜0.21 |
dB/km |
|
|
LP02 |
0.20 |
＜0.21 |
dB/km |
|
|
Differential Group Delay |
LP11-LP01 |
-1.2 |
＜3 |
ps/m |
|
LP21-LP01 |
1.3 |
＜3 |
ps/m |
|
|
LP02-LP01 |
0.2 |
＜3 |
ps/m |
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