Description
1720/1550nm 1×2 PM Filter WDM
1720/1550nm 1×2 PM Filter WDM is a fiber component built with thin-film filter technology, it can be used to separate or combine 1720nm and 1550nm wavelength signal with PM Panda fiber, it’s widely used in Fiber Laser Systems and Testing Systems, the high power type is available upon request.
| Application: | Features: |  |
| Fiber Laser | Epoxy Free | |
| Testing System | High Isolation | |
| Optical Diffraction System | Low Insertion Loss | |
| Lab And Research | Optical Path Reversibility |
Specification:
| Parameter | Symbol | Value | Unit |
| Type | P1720 R1550 | nm | |
| Pass Band | λ | 1720 (1680-1800) | nm |
| Reflect Band | λ | 1550 (1500-1600) | nm |
| Max. Insertion Loss @Pass Channel | IL | 0.9 | dB |
| Max. Insertion Loss @Reflect Channel | IL | 0.9 | dB |
| Min. Isolation @Pass Channel | Iso | 25 | 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 | PM 1550 or PM 1950 on Common & Pass Port PM 1550 or SMF-28e 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-WWWW/WWW-A-FF-J-LL-CC |
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| WWWW/WWW | A | FF | J | LL | CC |
| Wavelength | Working Axis | Fiber Type on Reflect Port | Fiber Jacket | Fiber Length | Connector |
| 1720/1550 – 1720nm Pass, | F – Fast Axis Blocked | P5 – PM 1550 | B – 250um Bare Fiber | 05 – 0.5m | NE – None |
| 1550nm Reflect | Slow Axis Working | P1 – PM 1950 | 9 – 900um Loose Tube | 08 – 0.8m | FA – FC/APC |
| 1720/1560 – 1720nm Pass, | B – Both Axes Working | S2 – SMF-28e | 2 – 2mm Loose Tube | 10 – 1.0m | FU – FC/UPC |
| 1560nm Reflect | 3 – 3mm Loose Tube | 15– 1.5m | SA – SC/APC | ||
| 1720/1570 – 1720nm Pass, | 20 – 2.0m | SU – SC/UPC | |||
| 1570nm Reflect | LA – LC/APC | ||||
| 1720/1580 – 1720nm Pass, | LU – LC/UPC | ||||
| 1580nm Reflect | SS – Specify | ||||
Example: PFWDM-1720/1550-B-P5-9-10-FA is the PN for 1720/1550nm 1×2 PM Filter WDM, Both Axes Working, 1.0m PM 1550 Panda fiber on all port, FC/APC