产品优势
● 更大的有效面积,可减小非线性效应,为传输系统提供更高的信号功率
● 实现长距离、多波长、高速传输
● 更低的衰减损耗,满足长距离传输要求
● 可减少中继器数量,实现 CAPEX、OPEX 最小化
● 更低的弯曲附加损耗,满足复杂的光缆布线条件和各种光缆结构的要求
● 良好的抗氢损性能,高 nd 值,以保证光纤光缆系统的可靠性
● 兼容当前系统,并满足未来系统和技术发展的要求
如何评估有效面积和衰减系数对传输的贡献?
根据 OSNR 的公式,更低的衰减系数和更大的有效面积会提高光传输系统的光信噪比。所以可以通过建立 FOM(品质因数)来量化计算有效面积和衰减对光信噪比的贡献。如下表所示,北亿纤通超强光纤可以提供比超低衰减光纤或低衰减大有效面积光纤更好的性能。
光纤类型 |
衰减 |
有效面积 |
品质因数 |
---|---|---|---|
SSMF(Ref.) |
0.2 |
80 |
/ |
LL |
0.18 |
80 |
1.6 |
ULL |
0.17 |
80 |
2.3 |
ULL |
0.15 |
80 |
3.8 |
LL-LAF |
0.18 |
130 |
4.9 |
ULL-LAF |
0.16 |
110 |
5.8 |
ULL-LAF |
0.16 |
130 |
规格参数
特性 |
条件 |
数据 |
单位 | ||
---|---|---|---|---|---|
光学特性 | |||||
有效面积典型值 |
1550nm |
110 |
125 |
[μm2] |
|
模场直径 |
1550nm |
11.4~12.2 | 12.0~13.0 |
[μm] |
|
衰减 |
1550nm |
≤0.17 |
[dB/km] |
||
1625nm |
≤0.20 |
[dB/km] |
|||
相对于波长的衰减变化 |
1525~1575nm,相对于1550nm |
≤0.02 |
[dB/km] |
||
1550~1625nm,相对于1550nm |
≤0.03 |
[dB/km] |
|||
色散系数 |
1550nm |
≤23 |
[ps/nm·km] |
||
1625nm |
≤27 |
[ps/nm·km] |
|||
色散斜率 |
1550nm |
0.050~0.070 |
[ps/nm2·km] |
||
偏振模色散(PMD) |
单根光纤最大值 |
-- |
≤0.1 |
[ps/√km] |
|
光纤链路值(M=20,Q=0.01%) |
-- |
≤0.06 |
[ps/√km] |
||
典型值 |
-- |
0.04 |
[ps/√km] |
||
光缆截止波长( λcc) |
-- |
≤ 1520 |
[nm] |
||
有效群折射率 |
1550nm |
1.463 |
1.465 |
-- |
|
点不连续性 |
1550nm |
≤0.05 |
[dB] |
||
几何特性 |
|||||
包层直径 |
-- |
125.0±1.0 |
[μm] |
||
包层不圆度 |
-- |
≤1.0 |
[%] |
||
涂层直径 |
-- |
235~255 |
[μm] |
||
涂层/包层同心度误差 |
-- |
≤12 |
[μm] |
||
涂层不圆度 |
-- |
≤6 |
[%] |
||
芯/包层同心度误差 |
-- |
≤0.6 |
[μm] |
||
翘曲度(半径) |
-- |
≥4 |
[m] |
||
交货长度1 |
-- |
最长25.2 |
[km/盘] |
||
环境特性 1550nm 和 1625nm |
|||||
温度附加衰减 |
-60℃ 到85℃ |
≤0.05 |
[dB/km] |
||
温度-湿度循环附加衰减 |
-10℃ 到85℃,98% 相对湿度 |
≤0.05 |
[dB/km] |
||
浸水附加衰减 |
23℃, 30 天 |
≤0.05 |
[dB/km] |
||
湿热附加衰减 |
85℃,85%相对湿度,30天 |
≤0.05 |
[dB/km] |
||
干热老化 |
85℃,30天 |
≤0.05 |
[dB/km] |
||
机械特性 |
|||||
筛选张力2 |
-- |
≥9.0 |
[N] |
||
-- |
≥1.0 |
[%] |
|||
-- |
≥100 |
[kpsi] |
|||
宏弯附加损耗 |
100圈,半径30mm |
1550nm |
≤0.10 |
[dB] |
|
1625nm |
≤0.10 |
[dB] |
|||
涂层剥离力 |
典型平均值 |
1.5 |
[N] |
||
峰值 |
1.3~8.9 |
[N] |
|||
动态疲劳参数(nd) |
-- |
≥20 |
-- |
备注: 1、可按照客户要求提供其它段长 2、可提供更高筛选张力
Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.