保偏光纤偏振合束/分束器
光纤偏振光束合束器(PBC)或偏振光束分束器(PBS)用于将两束正交偏振光耦合入一根光纤中,或将一根光纤中含有的 正交线偏振光分别耦合到两个保偏光纤中,且偏振方向平行于保偏光纤的慢轴。双纤端(Port1 和 Port2)为保偏光纤; 单纤端(Port 3) 为普通单模光纤,也可为保偏光纤
特性
ü 高消光比
ü 低插入损耗
ü 高稳定性
应用
偏振复用/解复用器
高功率 EDFA
光纤传感
光传输
Parameters |
Unit |
Values |
||||
Grade |
- |
P |
A |
P |
A |
|
Center Wavelength |
nm |
1310,1550 |
1064,980 |
|||
Operating Wavelength Range |
nm |
±40 |
±20 |
|||
Typ. Insertion Loss at 23℃ |
dB |
0.4 |
0.5 |
0.6 |
0.7 |
|
Max. Insertion Loss at 23℃ |
dB |
0.6 |
0.7 |
0.8 |
0.9 |
|
Min. Extinction Ratio at 23℃ |
dB |
22 |
20 |
22 |
20 |
|
Directivity |
dB |
50 |
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Min. Return Loss |
dB |
50 |
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Max. Optical Power(CW) |
mW |
300 |
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Max. Tensile Load |
N |
5 |
||||
Fiber Type |
Port 1 & 2 |
- |
PM Panda fiber |
|||
Port 3 |
SMF-28E, Hi1060 or PM Panda fiber |
|||||
Operating temperature |
°C |
-5~+70 |
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Storage temperature |
°C |
-40~+85 |
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For device with connector, IL is 0.3dB higher, RL is 5dB lower, ER is 2dB lower. |
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The default connector key is aligned to slow axis. |
PBC/S-1111-23456-777 |
||
1111 |
-Center Wavelength: |
1550=1550nm,1310=1310nm,......,850=850nm |
2 |
-Grade: |
P=Perfect grade, A=A grade |
3 |
-Fiber Type for Port 3: |
1=SMF-28E, 2=Hi1060, 3=Slow axis aligned to Port1, 4=Slow axis 45°aligned to Port1 |
4 |
-Fiber Type for Port 1,2: |
1=PM Panda fiber, 2=SMF-28E, 3=Hi1060, S=Specified |
5 |
-Pigtail Type: |
0=250μm bare fiber, 1=900μm loose tube |
6 |
-Fiber Length: |
0=0.8m,1=1m |
777 |
-Connector Type: |
0=FC/UPC,1=FC/APC,2=SC/UPC,3=SC/APC,4=LC/UPC,5=LC/APC |