保偏环形器(PMC)
产品介绍
保偏环形器是采用保偏光纤制作的光纤环形器。光环形器是一种多端口非互易光学器件,它的作用是使光信号只能沿着规定的端口顺序传输。典型的光环形器结构有三端口、四端口环形器。保偏环形器中包含偏振分束器、法拉第旋转镜、偏振器等可以保证光的偏振态沿着保偏光纤的慢轴传输。保偏环形器是保偏光路系统中的重要器件,可以用在高精度光纤传感、高速通信系统等众多领域中。
产品特点
● 高隔离度
● 低插入损耗
● 高稳定性
● 高可靠性
应用范围
● 偏振模色散补偿
● 掺铒光纤放大器和拉曼放大器
● 相干通信领域
● 干涉型传感领域
● 光纤激光器
产品参数
参数 |
单位 |
指标 |
||
级数 |
- |
单极 |
双极 |
|
工作波长 |
nm |
1310、1550 |
||
工作带宽 |
nm |
±20nm |
±30nm |
|
室温隔离度 |
dB |
≥20 |
≥40 |
|
室温插入损耗 |
dB |
≤0.8 |
≤1.0 |
|
全温出入损耗 |
dB |
≤1.2 |
≤1.5 |
|
插入损耗 |
dB,P级 |
|
|
|
插入损耗 |
dB,A级 |
≤1.0 |
≤1.2 |
|
回波损耗 |
dB |
≥50 |
||
方向性 |
dB |
≥50 |
||
消光比 |
dB |
≥20 |
≥22 |
|
承受功率 |
mW |
≤500 |
||
承受拉力 |
N |
≤5 |
||
光纤类型 |
- |
PM1310,PM1550小模场熊猫光纤 |
||
工作温度 |
℃ |
-5~+70 |
||
存储温度 |
℃ |
-40~+85 |
||
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 before they become applicable to any particular order or contract. In accordance with the F-tone 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 or others. Further details are available from any F-tone sales representative.