简介
熔融拉锥是将两根或多根光纤捆在一起,然后在拉锥机上熔融拉伸,并实时监控分光比的变化,分光比达到要求后结束熔融拉伸,其中一端保留一根光纤(其余剪掉)作为输入端,另一端则作多路输出端。目前成熟拉锥工艺一次只能拉1×4以下。1×4以上器件,则用多个1×2连接在一起。再整体封装在分路器盒中。
单模光纤宽带耦合器能使在光纤中传输的光信号在特殊结构的耦合区发生耦合,进行光功率的再分配。该产品分光比可任选,分单、双窗口两种类别。
产品符合Telcordia GR-1221的标准
应用领域:
CATV系统及其它光网络的扩容
光仪表、EDFA、DWDM系统
特点:
附加损耗低
工作带宽宽
分光比任选
性能指标:
50:50宽带耦合器 |
单位 |
单窗口 |
双窗口 |
|
插入损耗 |
dB |
≤3.3 |
≤3.4 |
|
均匀性 |
dB |
≤0.6 |
≤0.6 |
|
工作带宽 |
nm |
±40 |
±40 |
|
温度稳定性 |
dB |
≤0.10 |
≤0.10 |
|
偏振相关损耗 |
dB |
≤0.10 |
≤0.10 |
|
方向性 |
1x2 |
dB |
≥60{外部匹配} |
≥60{外部匹配} |
1x2 |
≥55{内部匹配} |
≥55{内部匹配} |
||
2x2 |
≥60 |
≥65 |
||
工作温度 |
℃ |
-40~+85 |
||
储存温度 |
℃ |
-40~+85 |
分光比和插入损耗对应表 |
||
插入损耗{dB} |
||
用户需要的分光比 |
单窗口 |
双窗口 |
50/50 |
3.3 |
3.4 |
40/60 |
4.4/2.5 |
4.5/2.5 |
30/70 |
5.6/1.8 |
5.8/1.9 |
20/80 |
7.4/1.1 |
7.7/1.2 |
10/90 |
10.8/0.6 |
10.8/0.6 |
5/95 |
13.7/0.4 |
13.7/0.4 |
3/97 |
15.6/0.3 |
15.8/0.35 |
1/99 |
21/0.2 |
21/0.2 |
封装和安装尺寸:
|
A |
B |
C |
D |
E |
外型尺寸 |
φ3x52 |
3.5X65 |
100X18X9 |
112X80X10.5 |
130x90x18 |
安装尺寸 |
|
|
65X11X2φ3.2 |
102x72x2φ3.2 |
65x11x2φ3.2 |
外壳 |
不锈钢管 |
不锈钢管 |
塑料盒 |
塑料盒 |
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.