Multimode Collimator (WD 200mm)
This multimode collimator is designed for applications requiring a long working distance of 200mm, offering reliable performance with low insertion loss and good return loss. It is suitable for use in fiber lasers, amplifiers, LiDAR, and optical communication systems.
Compatible with 850nm and 1310nm wavelengths, the collimator uses 50/125 fiber and is available in various configurations including lens type, working distance, and connector options to support flexible integration in diverse optical setups.
Description
| Features: | Application |
| Low insertion loss | Fields Fiber laser |
| High return loss | Optical fiber amplifier |
| High reliability and stability. | Lidar |
| The field of optical communication | |
| The field of optical fiber sensing |
Product indicators
| Parameter | Unit | Value |
| Working wavelength | nm | 850/1310 |
| Work Distance | mm | 200 |
| Insertion Loss | dB | ≤3 |
| Return Loss | dB | ≥30 |
| Fiber type | 50/125 | |
| Fiber Length | M | 2.2±0.1 |
| Withstand power | w | 0.5 |
| Operating Temperature | ℃ | -20℃~+75℃ |
| Storage Temperature | ℃ | -40℃~+85℃ |
| Dimensions | mm | 2.4*16 |
Measured at 25°C. The above data is for connector-less conditions. Insertion loss with connectors is wavelength-dependent. Please contact us for detailed information.

Selection information
| Lens Type | WD | wavelength | Fiber Type | Connector | Fiber length |
| C-LENS
G-LENS |
1=1mm
10=10mm 50=50mm S-ect.
|
850nm
1310nm 1550nm S=ect. |
G657A1
50/125 62.5/125 S=ect. |
N-None
FP=FC/PC FA=FC/APC S=ect.
|
05=0.5m
10=1m 15=1.5m S=ect. |




