Description
637nm Low Loss Polarization Beam Combiner/Splitter
637nm Low Loss Polarization Beam Combiner/Splitter is a fiber passive component which can combine the two orthogonal polarization light into one output fiber or split the orthogonal polarization light to two output fiber, it’s widely used in，Quantum Communication System and Fiber Optic Diffraction field, the high power type is available upon request.
| Application: | Features: |  |
| Quantum Communication | High Extinction Ratio | |
| Fiber Optic Sensor | Low Insertion Loss | |
| Laser System | Optical Path Reversibility | |
| Fiber Optic Diffraction | High Reliability |
Specification:
| Parameter |
Symbol | Value | Unit | |
| Wavelength |
λ | 637 | nm | |
| Bandwidth |
BW | ±10 | nm | |
| Typ. Insertion Loss |
IL | 0.6 | dB | |
| Max. Insertion Loss |
IL | 0.8 | dB | |
| MIn. Extinction Ratio |
ER | 20 | dB | |
| Min. Directivity | 50 | dB | ||
| Min. Return Loss |
RL | 50 | dB | |
| Max. Optical Power (CW) |
P | 300 | mW | |
| Max. Tensil Load | 5 | N | ||
| Fiber Type |
For Port 1 and Port 2 | PM 630-HP Panda fiber | – | |
| For Port 3 | PM 630-HP Panda fiber or SM 630-HP fiber | – | ||
| Operating Temperature |
T | -5~70 | ℃ | |
| Storage Temperature |
T | -40~85 | ℃ | |
| Package Dimension | – | |||
| Notice: Above specifications are tested at center wavelength without connector in room temperature @23℃. |
| For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower, ER will be 2dB lower, slow axis is default aligned to the connector key. |
Drawing:
Ordering Information (Part Number):
| LPBCS-WWW-FF-J-LL-CC | ||||
| WWW | FF | J | LL | CC |
| Wavelength | Fiber Type on Port 3 | Fiber Jacket | Fiber Length | Connector |
| 633 – 633nm | 4H – 460-HP Fiber | B – 250um Bare Fiber | 05 – 0.5m | NE – None |
| 635 – 635nm | PM – PM Panda Fiber, | 9 – 900um Loose Tube | 10 – 1.0m | FA – FC/APC |
| 637 – 637nm | Slow Axis Aligned to Port 1 | 2 – 2.0mm Loose Tube | 15 – 1.5m | FU – FC/UPC |
| 640 – 640nm | P4 – SM fiber on input port | 3 – 3.0mm Loose Tube | 20 – 2.0m | SA – SC/APC |
| 650 – 650nm | Slow Axis 45° Aligned to Port 1 | SS – Specify | SU – SU/APC | |
| 670 – 670nm | LA – LC/APC | |||
| 680 – 680nm | LU – LC/UPC | |||
| SSS – Specify | SS – Specify | |||
Example: LPBCS-637-PM-9-10-FA is the PN for 637nm Low Loss PBCS, PM fiber on all ports, slow axis aligned to Port 1, 900um loose tube, 1.0m fiber length, FC/APC connector
