Description
1550/775nm 1×2 Filter WDM
1550/775nm 1×2 Filter WDM is a fiber component built with thin-film filter technology, it can be used to separate or combine 1550nm and 775nm wavelength signal, it’s widely used in Fiber Laser Systems and Fiber SHG Systems, the high power type is available upon request.
| Application: | Features: |  |
| Fiber Laser | Epoxy Free | |
| Fiber SHG | High Isolation | |
| Optical Diffraction System | Low Insertion Loss | |
| Lab And Research | Optical Path Reversibility |
Specification:
| Parameter | Symbol | Value |
Unit |
| Type | P1550 R775 | nm | |
| Pass Band | λ | 1550 (1510-1580) | nm |
| Reflect Band | λ | 775 (770-790) | nm |
| Max. Insertion Loss @Pass Channel | IL | 0.9 | dB |
| Max. Insertion Loss @Reflect Channel (SMF-28e) | IL | 0.9 | dB |
| Min. Isolation @Pass Channel | Iso | 30 | dB |
| Min. Isolation @Reflect Channel | Iso | 15 | dB |
| Max. Insertion Loss Temperature Sensitivity | 0.5 | dB | |
| Max. Polarization Dependent Loss | PDL | 0.1 | dB |
| Min. Directivity | 50 | dB | |
| Min. Return Loss | RL | 50 | dB |
| Max. Optical Power (CW) | 500 or customized | mW | |
| Max. Tensil Load | P | 5 | N |
| Fiber Type | SMF-28e on Common & Pass Port SMF-28e 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, RL will be 5dB lower. |
Drawing:
Ordering Information (Part Number):
| FWDM-WWWW/WWW-FF-J-LL-CC |
||||
| WWWW/WWW | FF | J | LL | CC |
| Wavelength | Fiber Type on all Port | Fiber Jacket | Fiber Length | Connector |
| 1550/775 – 1550nm Pass, 775nm Reflect | S2 – SMF-28e | B – 250um Bare Fiber | 05 – 0.5m | NE – None |
| 1550/780 – 1550nm Pass, 780nm Reflect | H7 – HI 780 | 9 – 900um Loose Tube | 08 – 0.8m | FA – FC/APC |
| 1560/780 – 1560nm Pass, 780nm Reflect | SS – Specify | 2 – 2mm Loose Tube | 10 – 1.0m | FU – FC/UPC |
| 3 – 3mm Loose Tube | 15– 1.5m | SA – SC/APC | ||
| 20 – 2.0m | SU – SC/UPC | |||
| LA – LC/APC | ||||
| LU – LC/UPC | ||||
| SS – Specify | ||||
Example: FWDM-1550/775-S2-9-10-FA is the PN for 1550/775nm 1×2 Filter WDM, SMF-28e on all port, 1.0m fiber length, FC/APC