The Polarization Maintaining Filter DWDM is characterized with low insertion loss, high return loss, high extinction ratio and excellent environmental stability and reliability. They are ideal for polarization maintaining fiber amplifiers, DWDM network, and high-speed communication system and instrumentation applications.
| Parameters | Unit | Values |
|---|---|---|
| Channel Number | / | 4CH | 8CH | 16CH |
| Center Wavelength | nm | ITU Grid |
| Channel Spacing | GHz | 50GHz; 100GHz; 200GHz |
| Channel Passband (@-0.5dB) | nm | 50GHz: >0.1; 100GHz: >0.22; 200GHz: >0.5 |
| Insertion Loss | dB | ≤2.0 | ≤3.2 | ≤5.0 |
| Isolation | dB | Adjacent: ≥25 Non-adjacent: ≥35 |
| Extinction Ratio | dB | ≥18 |
| Return Loss | dB | ≥50 |
| Wavelength Thermal Stability | nm/℃ | ≤0.003 |
| Insertion Loss Thermal Stability | dB/℃ | ≤0.005 |
| Max Power Handling (CW) | W | 0.3, 1, or 2 |
| Tensile Load | N | ≤5 |
| Operating Temperature | ℃ | -5~+75 |
| Storage Temperature | ℃ | -40~+85 |
| Package Dimension | mm | 100x80x10 | 100x80x10 | 120x80x18 |
| Option | Specifications |
|---|---|
| ① Channel Spacing | 050=50GHz; 100=100GHz; 200=200GHz |
| ② Channel Number | 04=1x4; 08=1x8; 16=1x16 |
| ③ First Channel Wavelength | C21=1560.61nm; C23=1558.98nm; S=Specify |
| ④ Last Channel Wavelength | C21=1560.61nm; C23=1558.98nm; S=Specify |
| ⑤ Working Axis | B=Both axis working; F=Slow Axis working, Fast axis blocked |
| ⑥ Fiber Type | PM1550; S=Specify |
| ⑦ Power Handling | 0L=0.3W; 01=1W; 02=2W |
| ⑧ Package Dimensions | A1=100x80x10mm; A2=120x80x18mm; S=Specify |
| ⑨ Pigtail Type | 00=bare fiber; 09=900um loose tube |
| ⑩ Fiber Length | 08=0.8m; 10=1m; S=Specify |
| ⑪ Connector Type | FA=FC/APC; FP=FC/UPC; SA=SC/APC; SP=SC/UPC; S=Specify |