The Polarization Beam Combiner/Splitter is a compact high performance light wave component that combines two orthogonal polarization signals into one output fiber. The most common application is combine the light of two pump lasers into a single fiber to double the pump power to an Erbium-Doped Fiber Amplifier (EDFA) or a Raman Amplifier. The typical configuration uses two PM fibers for the input and the SM fiber for the output. The device can also be used as a beam splitter.
Applications and Features - Fiber Optical Device: Polarization Beam Combiner/Splitter
Applications | Features |
Polarization MUX/Demur High power EDFA Optic sensor system Optic transmit system Test and measurement | Low insertion loss Low wavelength and temperature High return loss High power handling |
Performance Specifications - Fiber Optical Device: Polarization Beam Combiner/Splitter
Parameter | unit | Spec. |
grade |
| P | A |
Operating wavelength | nm | 1310 ， 1480 ， 1550 |
Operating bandwidth | nm | +/-50 | +/-50 |
Typical insertion loss | dB | < 0.4 | < 0.5 |
Max insertion loss | dB | 0.6 | 0.7 |
Return loss | dB | >55 | >55 |
Directivity | dB | >55 | >55 |
Typical Extinction Ratio | dB | 23 | 20 |
Handling power | Mw | 500(1550nm high power device option) |
Operating temperature | ℃ | -5 ~ 70 |
Storing temperature | ℃ | -40 ~ 85 |
Package dimension | mm | Ø5.5 x 35 or customer specified |
Note:
1. The PM fiber and the connector key are aligned to the slow axis.
2. For devices with connectors, insertion loss will be 0.3dB higher, RL will be 5dB lower, and ER will be 2dB lower
Ordering Information - Fiber Optical Device: Polarization Beam Combiner/Splitter
PBC | Wavelength | Grade | Fiber type(Port 1and2 ） | Fiber type(Port3 ） | Fiber length | Connector type |
Port 1 | Port 2 | Port 3 |
| 3=1480 4=1450 5=1550 6=1420 | P A | 1 2 | 1 3 4 5 | 1= 1m 2= 2m | 0=none 2=FC/SPC |
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