Non-Contact Type Laser-to-Fiber Coupler - Adapter Interface
In non-contact laser-to-fiber couplers, there is a certain air gap between the fiber and the coupling lens. This design is very flexible, allowing the use of various types of lenses with various focal lengths. The distance between the fiber and the lens in this coupler can be adjusted to compensate for small changes in laser wavelength. In high-power multimode fiber coupling systems, the distance between the fiber and the lens can be adjusted for defocusing to avoid fiber damage.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Operating Wavelength Optional Range | 180-2000nm |
| Coupling Efficiency | Single-mode fiber: >60%; multimode fiber: >80%; polarization-maintaining fiber: >60% |
| Polarization Extinction Ratio | Typical: >20dB; 25dB; 30dB optional |
| Power Handling Capability | >1W CW for GRIN lenses >10 Watt CW for aspheric lenses >5 Watts CW for achromats lenses >100 Watts CW for fused silica or sapphire plano-convex and biconvex lenses |
| Focal Length | 25 |
| Lens Diameter | 12.5 |
| Optimized Beam Diameter (Single Mode (PM)) | 4-6.2 |
| Optimized Beam Diameter (Multimode) | 4-11 |
Datasheet
Supplier Information
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