PM Four Fibers Collimator
This polarization-maintaining four-fiber collimator delivers multi-channel optical connectivity with low insertion loss and excellent polarization preservation. It operates across a wide wavelength spectrum from 630nm to 1550nm and features an epoxy-free optical path for high reliability.
Suited for isolators, circulators, WDM systems, and optical sensing applications, the collimator offers various configuration options including lens type, working distance, connector style, and fiber length to accommodate diverse system requirements.
Description
| Features | Applications |
| Low Insertion Loss | Isolators |
| Wide pass band | Circulators |
| Low PDL | Switches |
| High stability and reliability | WDM |
| Epoxy free on optical path | Signal processing |
| Optical sensing | |
| VR | |
| Optical fiber slip ring |
| Performance Specifications | ||||
| Parameters | Value | |||
| Wavelength (nm) | 630/780/850/980/1064/1310/1550 | |||
| Insertion Loss (Typ.) (dB) | 0.2 | |||
| Insertion Loss (Max.) (dB) | 0.25 | |||
| Return Loss (dB) | 60 | |||
| Min. Extinction Ratio at 23℃ | 20 | |||
| Beam Diameter (mm) | < 0.5 | |||
| Operating Temperature (°C) | 10℃~+50℃ | |||
| Storage Temperature (°C) | 0℃~+85℃ | |||
| Directionality | Fast axis, slow axis | |||
| Optical fiber model | PM630/PM780/PM850/PM980/PM1060/ PM1310/PM1550 | |||
| Polarization Dependent Loss (dB) | ≤0.15 | |||
| Directivity (dB) | ≤0.1 | |||
| Maximum Power Handling (mW) | 300 | |||
| Dimensions (mm) | 2.78*8、3.2*9、 | |||
| Ordering Information | |||||||
| Lens Type | Working Distance | wavelength | Fiber Type | Connector | Fiber length | ||
| SCL=C-Lens | 1=1mmWD | 850nm | 1=Bare fiber | FC/PC | 0=0.5m | ||
| SGL=G-Lens | 1=2mmWD | 1310nm | 2=900umLoose tube | FC/APC | 1=1m | ||
| 1=3mmWD | 1550nm | 3=PM630 | SC/PC | 2=2m | |||
| ….. | 980nm | 3=PM780 | SC/APC | ect. | |||
| …. | …… | ect. | |||||






