长飞光纤采用等离子体激活化学气相沉积(简称PCVD)工艺制造。采用特殊的玻璃组分和后处理工艺,使光纤在
1310nm 和1550nm 窗口具有良好的抗辐射性能。PCVD 工艺制造的抗辐射单模光纤具有精准的折射率剖面,使
光纤具有良好的几何、衰减和色散性能。
光纤类型 |
波长(nm) |
条件 | RD 1310-G2(HT) | RD SM-G3 | RD SM-G3 (YH) | RD SM-G3(HD) | ||
---|---|---|---|---|---|---|---|---|
产品编号 |
RD1311-D | RD1012-A | RD1012-B | RD1012-C | ||||
光学性能 |
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衰减 (dB/km) |
1310 |
- | ≤0.45 | ≤0.4 | ≤0.4 | ≤0.4 | ||
1550 | - | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | |||
零色散波长 (nm) |
- |
- | 1287 ~ 1337 | 1300 ~ 1324 | 1300 ~ 1324 | 1300 ~ 1324 | ||
零色散斜率 (ps/(nm2·km)) |
- |
- | ≤0.1 | ≤0.091 | ≤0.091 | ≤0.091 | ||
单根光纤最大值 (ps/√km) |
- |
- | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 | ||
光纤链路值 (M=20,Q=0.01%)(ps/√km) |
- |
- | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 | ||
光缆截止波长 (λcc)(nm) |
- |
- |
≤1290 |
≤1260 | ≤1260 | ≤1260 | ||
模场直径 (MFD)(μm) |
1310 |
- | 7.5 ~ 9.5 | 8.6 ~ 9.6 | 8.6 ~ 9.5 | 8.6 ~ 9.5 | ||
1550 | - | 8.0 ~ 10.0 | 9.6 ~ 10.9 | 9.9 ~ 10.9 | 9.6 ~ 10.9 | |||
几何性能 |
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包层直径 (μm) |
- |
- | 125±1.0 | 125±1.0 | 124.5±0.4 | 125±1.0 | ||
包层不圆度 (%) |
- |
- | ≤0.7 | ≤1.0 | ≤1.0 | ≤1.0 | ||
涂层直径 (μm) |
- |
- | 245.0±10.0 | 245.0±10.0 | 245.0±5.0 | 245.0±10.0 | ||
涂层/包层同心度误差 (μm) |
- |
- | ≤12.0 | ≤12.0 | ≤8.0 | ≤12.0 | ||
涂层不圆度 (%) |
- |
- | ≤6.0 | ≤6.0 | ≤6.0 | ≤6.0 | ||
芯/包层同心度误差 (μm) |
- |
- |
≤0.6 |
≤1.0 | ≤0.6 | ≤1.0 | ||
翘曲度(半径) (m) |
- |
- | ≥2.0 | ≥2.0 | ≥2.0 | ≥2.0 | ||
环境特性 |
||||||||
温度-湿度循环附加衰减 (dB/km) | 1310, 1550 | -10℃ 到 85℃,相对湿度98% | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | ||
温度附加衰减 (dB/km) |
-65℃ 到 +85℃ | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | |||
浸水附加衰减 (dB/km) | 23℃,30天 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | |||
湿热附加衰减 (dB/km) | 85℃,相对湿度85%,30 天 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | |||
干热老化 (dB/km) | 85℃,30 天 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | |||
温冲测试 (dB/km) | -70℃ 到 +125℃, ≥40℃/分钟, 循环5次 | - | - | ≤0.3 | - | |||
储存温度测试 (dB/km) | -70℃,120小时;125℃ 120小时 | - | - | ≤0.3 | - | |||
温循测试(dB/km) | 70℃ 到 +125℃, 2~5℃/分钟, 循环5次 | - | - | ≤0.3 | - | |||
宏弯性能 | ||||||||
弯曲半径 | - | 圈数 | - | - | - | |||
30mm | 1310 | 100 | - | ≤0.1 | ≤0.1 | ≤0.1 | ||
1550 | - | ≤0.5 | ≤0.5 | ≤0.5 | ||||
机械性能 |
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筛选张力 (kpsi) |
- |
离线 |
≥100 | ≥100 | ≥100 | ≥100 | ||
涂层剥离力 (N) |
- |
平均值 |
1.0 ~ 5.0 | 1.0 ~ 5.0 | 1.0 ~ 5.0 | 1.0 ~ 5.0 | ||
- | 峰值 |
1.3 ~ 8.9 |
1.3 ~ 8.9 | 1.3 ~ 8.9 | 1.3 ~ 8.9 | |||
动态疲劳参数 (nd) |
- |
- |
≥20 |
≥20 | ≥20 | ≥20 | ||
辐照性能 | ||||||||
根据 TIA/EIA 455-64 |
1310 |
总剂量 50Krad,剂量率0.1rad/s(25℃)连续辐照条件下附加衰减 |
- | ≤0.3 | ≤0.3 | ≤0.3 | ||
1310, 1550 |
总剂量2000Gy,剂量率0.5Gy/s(25℃)连续辐照条件下附加衰减 |
≤0.9 | ≤0.8 | ≤0.8 | ≤0.5 | |||
1310 |
总剂量 200000Gy,剂量率0.5Gy/s(25℃)连续辐照条件下附加衰减 |
≤2.0 | ≤1.5 | ≤1.5 | ≤1.0 | |||
1550 | ≤2.5 | ≤2.0 | ≤2.0 | ≤1.5 | ||||
1310 | 总剂量 1MGy,剂量率1.25Gy/s(25℃)连续辐照条件下附加衰减 | - | - | - | ~ 1.2 | |||
1550 | - | - | - | ~ 1.8 |