Description
780/1550nm 1×2 PM Filter WDM
780/1550nm 1×2 PM Filter WDM is a fiber component built with thin-film filter technology, it can be used to separate or combine 780nm and 1550nm wavelength signal with PM Panda fiber, it’s widely used in Quantum Communication Systems and Fiber SHG Systems, the high power type is available upon request.
| Application: | Features: |  |
| Quantum Communication | Epoxy Free | |
| Fiber SHG | High Isolation | |
| Optical Diffraction System | Low Insertion Loss | |
| Lab And Research | Optical Path Reversibility |
Specification:
| Parameter | Symbol | Value | Unit |
| Type | P780 R1550 | nm | |
| Pass Band | λ | 780 (770-790) | nm |
| Reflect Band | λ | 1550 (1510-1580) | nm |
| Max. Insertion Loss @Pass Channel | IL | 0.9 | dB |
| Max. Insertion Loss @Reflect Channel (PM780-HP fiber) | IL | 0.9 | dB |
| Min. Isolation @Pass Channel | Iso | 25 or customized | dB |
| Min. Isolation @Reflect Channel | Iso | 15 | dB |
| Max. Channel Flatness | 0.3 | dB | |
| Min. Extinction Ratio | ER | 20 | dB |
| Min. Directivity | 50 | dB | |
| Min. Return Loss | RL | 50 | dB |
| Max. Optical Power (CW) | P | 500 or customized | mW |
| Max. Tensil Load | 5 | N | |
| Fiber Type | PM780-HP fiber on Common & Pass Port PM 1550, PM780-HP or HI 780 fiber on Reflect Port |
– | |
| Operating Temperature | T | -5~75 | ℃ |
| Storage Temperature | T | -40~85 | ℃ |
| Package Dimension | Φ5.5×L35 | mm |
| Notice: Above specifications are tested at center wavelength without connector in room temperature @23℃. |
| For devices with connectors, IL will be 0.3dB higher, ER will be 2dB lower, slow axis is default aligned to the connector key. |
Drawing:
Ordering Information (Part Number):
| PFWDM-WWW/WWWW-A-FF-J-LL-CC |
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| WWW/WWWW | A | FF | J | LL | CC |
| Wavelength | Working Axis | Fiber Type on Reflect Port | Fiber Jacket | Fiber Length | Connector |
| 775/1550 – 775nm Pass, | F – Fast Axis Blocked | P7 – PM780-HP | B – 250um Bare Fiber | 05 – 0.5m | NE – None |
| 1550nm Reflect | Slow Axis Working | P8 – PM 850 | 9 – 900um Loose Tube | 08 – 0.8m | FA – FC/APC |
| 780/1550 – 780nm Pass, | B – Both Axes Working | P5 – PM 1550 | 2 – 2mm Loose Tube | 10 – 1.0m | FU – FC/UPC |
| 1550nm Reflect | H7 – HI 780 | 3 – 3mm Loose Tube | 15– 1.5m | SA – SC/APC | |
| 780/1560 – 780nm Pass, | A5 – PM 1550 on all ports | 20 – 2.0m | SU – SC/UPC | ||
| 1560nm Reflect | A7 – PM780-HP on all ports | LA – LC/APC | |||
| LU – LC/UPC | |||||
| SS – Specify | |||||
Example: PFWDM-780/1550-B-A7-9-10-FA is the PN for 780/1550nm 1×2 PM Filter WDM, Both Axes Working, 1.0m PM780-HP Panda fiber on all port, FC/APC