Unbiased fiber collimator
This unbiased fiber collimator delivers excellent optical performance with low insertion loss and minimal beam divergence. It features an epoxy-free optical path, low polarization-dependent loss, and high stability across a wide operating wavelength range.
Ideal for use in isolators, circulators, WDM systems, and precision optical sensing, the collimator supports various fiber types and is available with multiple lens options, working distances, and connector types to meet diverse application 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 | P Grade | A Grade | |
| Wavelength (nm) | 1310nm、1550nm、850nm、1250-1650nm | ||
| Insertion Loss (Typ.) (dB) | 0.18 | 0.2 | |
| Insertion Loss (Max.) (dB) | 0.21 | 0.25 | |
| Return Loss (dB) | 65 | 62 | |
| Beam Diameter (mm) | < 0.5 | ||
| Operating Temperature (°C) | -20℃~＋75℃ | ||
| Storage Temperature (°C) | -40℃~＋85℃ | ||
| Optical fiber model | 28E、50/125OM2、OM3、OM4、62.5/125 | ||
| Polarization Dependent Loss (dB) | ≤0.15 | ||
| Directivity (dB) | ≤0.1 | ||
| Beam divergence angle(°) | ≤ 0.1° | ||
| Maximum Power Handling (mW) | 500 | ||
| Dimensions (mm) | 1.4*8、2.78*8、3.2*9、1.8*8 | ||
| 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 | SC/PC | 2=2m | ||
| ….. | 980nm | SC/APC | ect. | ||
| 200=200mmWD | ect. | ||||
