粗波分复用器(CWDM)是一种面向城域网接入层的低成本WDM 传输技术。从原理上讲,CWDM 就是利用光复用器将不同波长的光信号复用至单根光纤进行传输,在链路的接收端,借助光解复用器将光纤中的混合信号分解为不同波长的信号,连接到相应的接收设备。采用薄膜滤光片技术,具有高隔离度、高可靠性的特点。
产品应用
● 粗波分复用系统
● 城域网和接入网
● CATV 网络
产品特点
● 低插损,高隔离度
● 优异的热稳定性
● 符合Telcordia 标准
● 符合RoHS 标准
规格参数
参数 |
指标 | ||||
---|---|---|---|---|---|
中心波长(nm) | 1271 ~ 1611 | ||||
通道通带(nm) | ±7.0 | ||||
通带@3dB(nm) | ≥15 | ||||
中心波长精度(nm) | ≤±1.0 | ||||
通道间隔( nm) | 20 | ||||
插入损耗 (dB) | 4CH | 6CH | 8CH | 12CH | 16CH |
≤1.4 | ≤1.8 | ≤2.2 | ≤3.0 | ≤4.0 | |
通带平坦度 (dB) | ≤0.5 | ||||
相邻隔离度 (dB) | ≥30 | ||||
非相邻隔离度 (dB) | ≥40 | ||||
偏振相关损耗 (dB) | ≤0.2 | ||||
偏振膜色散 (PS) | ≥0.15 | ||||
波长热稳定性(nm/℃) | ≥0.002 | ||||
温度相关损耗(dB/℃) | ≤0.007 | ||||
回波损耗 (dB) | ≥45 | ||||
方向性 (dB) | ≥50 | ||||
工作温度 (℃) | -10 ~ +70 | ||||
工作湿度 (%RH) | 5 ~ 90 | ||||
存储温度 (℃) | -40 ~ +85 | ||||
存储湿度 (%RH) | 0 ~ 95 | ||||
封装尺寸 (mm) | 定制 | ||||
光纤类型 | G657.A1 | ||||
连接器类型 | LC/UPC |
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.