双窗耦合器(DWC)采用非对称耦合技术制造。普通器件带宽可达到±40nm,超宽带器件可扩展到±80nm。双窗宽带耦合器在1310nm和1550nm通信窗口上具有相同的耦合比,以及具有低插入损耗和低PDL。该产品广泛应用于通信系统、CATV和FTTH。
产品特性
● 低附加损耗,使器件运用时拥有较低的信号衰减,从而降低对信号发射器的功率要求。
● 双窗带宽,普通器件带宽可达到±40nm,超宽带器件可扩展到±80nm。
● 北亿纤通 的双窗耦合器具有成熟的生产工艺,支持-40℃~+85℃ 的恶劣环境下工作,性能稳定可靠。
● 北亿纤通的双窗光纤耦合器符合RoHS,满足TelcordiaGR-1209与GR-1221。
产品规格
参数 | 普通 | 超宽带 | |||
P级 | A级 | P级 | A级 | ||
工作波长 | 1310 and 1550 | ||||
工作带宽 | ±40 | ±80 | |||
典型附加损耗 | ≤0.07 | ≤0.1 | ≤0.07 | ≤0.1 | |
插入损耗 | 50/50 | ≤3.6 | ≤3.8 | ≤3.8 | ≤4.0 |
45/55 | ≤4.2/3.2 | ≤4.4/3.4 | ≤4.5/3.3 | ≤4.7/3.5 | |
40/60 | ≤4.7/2.7 | ≤4.9/2.9 | ≤5.0/2.8 | ≤5.2/3.0 | |
35/65 | ≤5.4/2.4 | ≤5.7/2.6 | ≤5.8/2.5 | ≤6.1/2.7 | |
33/67 | ≤5.7/2.2 | ≤6.0/2.4 | ≤6.1/2.3 | ≤6.4/2.5 | |
30/70 | ≤6.0/1.9 | ≤6.3/2.1 | ≤6.4/2.0 | ≤6.7/2.2 | |
25/75 | ≤7.0/1.7 | ≤7.3/1.9 | ≤7.3/1.7 | ≤7.7/1.9 | |
20/80 | ≤7.9/1.3 | ≤8.4/1.4 | ≤8.3/1.3 | ≤8.7/1.5 | |
15/85 | ≤9.5/1.0 | ≤10.0/1.2 | ≤9.6/1.0 | ≤10.1/1.2 | |
10/90 | 9.2~11.2/≤0.75 | 8.80~11.40/≤0.8 | 9.15~11.05/≤0.75 | 8.75~11.45/≤0.8 | |
5/95 | 12.05~14.15/≤0.4 | 11.60~14.60/≤0.5 | 12.00~14.25/≤0.45 | 11.50~14.70/≤0.5 | |
3/97 | 14.1~16.5/≤0.35 | 13.60~17.05/≤0.45 | 14.00~16.60/≤0.35 | 13.45~17.15/≤0.45 | |
2/98 | 15.75~18.45/≤0.3 | 15.15~19.00/≤0.4 | 15.60~18.60/≤0.3 | 14.95~19.20/≤0.4 | |
1/99 | 18.6~21.6/≤0.25 | 18.6~21.6/≤0.25 | 18.35~21.85/≤0.25 | 17.60~22.55/≤0.35 | |
偏振相关损耗 | ≤0.15 | ≤0.20 | ≤0.15 | ≤0.20 | |
方向性 | ≥55 | ||||
工作温度 | -40~+85 | ||||
储存温度 | -40~+85 |
*上述规格不含连接头
**上述规格中不包括 1380nm(水峰值)的插入损耗
应用环境
光纤耦合器(Coupler)又称分歧器(Splitter),是将光讯号从一条光纤中分至多条光纤中的元件,属於光被动元件领域,在电信网路、有线电视网路、用户回路系统、区域网路中都会应用到。
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.