二、1525~1565nm色散补偿光纤的特点：
DWDM系统宽波段色散补偿和极低的残余色散三、1525~1565nm色散补偿光纤的应用领域：
G.652标准单模光纤骨干和城域通信系统四、1525~1565nm色散补偿光纤标准产品
1、G.652C波段色散补偿光纤4、CATV和高品质因子用DCF
五、色散补偿光纤系列(DCF)的参数：
| 光纤类型 | TDCF-G.652C/170 | BD NDCF-G.652C/250 | BD SNDCF-G.652C/170 | DCF-G.655C/250 | SDCF-G.652C/17OLD |
| 工作波长(nm) | 1525~1565 | 1525~1565 | 1525~1565 | 1525~1565 | 1525~1565 |
| 模场直径(1m) | 5.0±1.0@1550nm | 5.0±1.0@1550nm | 5.0±1.0@1550nm | 4.5±1.0@1550nm | 5.0±1.0@1550nm |
| 1525~1565nm衰减 (dB/km) | ≤0.62 | ≤0.62 | ≤0.62 | ≤14 | ≤0.6 |
| 1545nm色散系数(ps/nm.km) | -100~-250 | -100~-200 | -100~-200 | -160~-360 | ≤-160 |
| 1545nm相对色散斜率(nm-1) | 0.00309~0.00410 | 0.00309~0.00410 | 0.00309~0.00410 | 0.0176~0.02674 | 0.00309~0.00410 |
| 包层直径(um) | 87.0±4.0 | 120.0±10.0 | 120.0±10.0 | 110.0±10.0 | 120.0±10.0 |
| 涂覆层直径(um) | 170.0±10.0 | 245.0±10.0 | 175.0±15.0 | 245.0±10.0 | 175.0±15.0 |
| 包层不圆度(%) | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 |
| 芯/包同心度误差(m) | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 |
| 涂覆层结构 | 双层紫外固化丙烯酸树脂 | 双层紫外固化丙烯酸树脂 | 双层紫外固化丙烯酸树脂 | 双层紫外固化丙烯酸树脂 | 双层紫外固化丙烯酸树脂 |
六、光纤光栅色散补偿模块用于SDH系统
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