PM 1650nm Polarization Maintaining Fiber Isolator
The PM 1650nm Polarization Maintaining Fiber Isolator provides superior optical isolation with low insertion loss and minimal polarization sensitivity. Operating at 1650±20 nm, this component delivers reliable protection against back reflections while maintaining polarization integrity through precise slow-axis operation and epoxy-free optical design.
Ideal for CATV fiber optic links, optical amplifiers, telecommunications, and LAN systems, the isolator ensures stable performance across extended temperature ranges. Available in both single-stage and dual-stage configurations with isolation up to 55 dB, its compact design supports flexible customization including PM1550 fiber compatibility and multiple connector options for seamless integration into various optical communication systems.
Description
Features & Applications
| Features | Applications |
| High Isolation | CATV Fiberoptic Links |
| Low Insertion Loss | Fiberoptic Amplifiers |
| High Return Loss | Fiberoptic Systems Testing |
| Low Polarization Sensitivity | Fiberoptic LAN Systems |
| Epoxy free on optical path | Telecommunications |
Performance Specifications
| Parameter | Single | Dual |
| Operating Wavelength (nm) | 1650±20 | |
| Typical Isolation (dB) | 40 | 55 |
| Minimum Isolation (dB) | 26 | 45 |
| Typical Insertion Loss (dB) | 0.65 | 0.8 |
| Maximum Insertion Loss (dB) | 0.5 | 0.6 |
| Return Loss (In/Out) (dB) | 50 | 50 |
| Polarization Dependent Loss (dB) | 0.15 | 0.15 |
| Min. Extinction Ratio at 23℃ (PM Fiber Type) | 20 | 20 |
| Fiber Type | PM1550 | |
| Working Axis | Slow axis operation and fast axis cutoff | |
| Fiber Length (min) | 1M each end | |
| Maximum Power Handling (mW) | 300 | |
| Operating Temperature (℃) | -20~+75 | |
| Storage Temperature (℃) | -40~+85 | |
| Package Dimension (mm) | Φ5.5xL35/φ5.5×L50 | |
Ordering Information
| Product | Wavelength | Fiber Type | Connector | Fiber Length |
| Single stage | 1650NM | 1=Bare fiber | FC/PC | 0=0.5m |
| suppository | 2=900umLoose tube | FC/APC | 1=1m | |
| 3=PM1550 | SC/PC | 2=2m | ||
| SC/APC | ect. | |||
| ect. |




