四川光发科技有限公司生产的单模SM/多模MM耦合器由非对称耦合技术构建,该正常耦合器的工作带宽扩展到±40nm，单模耦合器在1310nm和1550nm通信窗口上具有相同的耦合比。同时可提供单窗口、双窗口、三窗口1x2、2x2、1x4多种型号产品(封装方式及规格可按客户需求定制)，并具有低插入损耗和低偏振相关损耗。 单模耦合器广泛用于通信系统，广电网络和光纤到户应用。多模光纤耦合器用于多模光纤局域网络系统。
Features特性
Low excess loss低附加损耗
Low PDL ƒ 低偏振相关损耗
High stability and reliability 高可靠性和稳定性
Coupling ratio on customer request 分光比可定制
Applications应用
CATV ƒ广电网络
FTTH 光纤到户
Optical Test System光纤测试系统
Fiber Sensor Systems光纤传感系统
Optical communication systems光通信系统
|
参数Parameter |
单模Single mode |
多模Multi-Mode | ||
|
P级 |
A级 |
P级 | ||
|
工作波长Operating wavelength (nm) |
Standard Coupler：1310±15 or 1550±15 Dual window：1310 ±40 and 1550±40 Three window：1310±40 and1490±10 and 1550±40 |
850±40& 1310±40 | ||
|
附加损耗Typical excess loss (dB) |
0.07 |
0.10 |
0.4~0.7 | |
|
分光比 Coupling ratio% & 插入损耗 Insertion loss (dB) |
50/50 |
≤3.6 |
≤3.8 |
≤3.8 |
|
45/55 |
≤4.2/3.2 |
≤4.4/3.4 |
≤4.4/3.4 | |
|
40/60 |
≤4.7/2.7 |
≤4.9/2.9 |
≤4.9/2.9 | |
|
35/65 |
≤5.4/2.4 |
≤5.7/2.6 |
≤5.7/2.6 | |
|
33/67 |
≤5.7/2.2 |
≤6.0/2.4 |
≤6.0/2.4 | |
|
30/70 |
≤6.0/1.9 |
≤6.3/2.1 |
≤6.3/2.1 | |
|
25/75 |
≤7.0/1.7 |
≤7.3/1.9 |
≤7.3/1.9 | |
|
20/80 |
≤7.9/1.3 |
≤8.4/1.4 |
≤8.4/1.4 | |
|
15/85 |
≤9.5/1.0 |
≤10.0/1.2 |
≤10.0/1.2 | |
|
10/90 |
9.2~11.2/≤0.75 |
8.80~11.40 /≤0.8 |
≤11.6/1.2 | |
|
5/95 |
12.05~14.15/≤0.4 |
11.60~14.60 /≤0.5 |
≤15.0/1.1 | |
|
3/97 |
14.1~16.5/≤0.35 |
13.60~17.05/≤0.45 |
≤17.5/1.0 | |
|
2/98 |
15.75~18.45/≤0.3 |
15.15~19.00/≤0.4 |
≤19.4/0.9 | |
|
1/99 |
18.6~21.6 /≤0.25 |
17.95~22.25/≤0.35 |
≤22.8/0.8 | |
|
PDL 偏振相关损耗(dB) |
≤0.15 |
≤0.20 |
≤0.20 | |
|
Directivity 方向性DIR(dB)/ Return Loss回波损耗RL(dB) |
≥55 |
≥35 | ||
|
Fiber type光纤类型 |
Corning SMF-28e -Ultra 250um bare fiber |
50/125&62.5/125 | ||
|
Fiber Length光纤长度(m) |
1 meter, others on request | |||
|
Loose tube松套管 |
0.9mm&2.0mm&3.0mm | |||
|
Connector Type连接器型号 |
SC/ FC/LC (PC&APC) | |||
|
Operating temperature 工作温度(℃) |
-40 ~ +85 | |||
Notes: Above specification are for device without connector, Insertion loss of one pair connector is less than 0.3dB.
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