Optical Fiber
TOP® MID-IR Silver-halide FiberTOP® MID-IR Silver-halide Fiber
This unique fiber is made of photosensitive compounds (AgCl, AgBr) and has extremely low attenuation in the mid-infrared (MIR) band.
Wavelength · Numerical Aperture (NA)
| Wavelength | Numerical Aperture (NA) |
|---|---|
| TOP® MID-IR 3 – 17 µm | Low 0.13 ± 0.02 · Standard 0.25 ± 0.02 · High 0.35 ± 0.02 |
Advantages
Optimised for CO and CO₂ laser applications
Low attenuation in the mid-infrared (MIR) band
Rugged and flexible
Non-hygroscopic, non-toxic materials
Available in core/cladding or core-only versions
Construction
Mixed silver-halide core · mixed silver-halide cladding · PEEK tube
Attenuation
The right-hand scale is transmission per metre
Technical Parameters
| Parameter | Specified value |
|---|---|
| Operating Temperature | -273 to +140 °C |
| Standard Diameter | Core/cladding (µm): 240/300 | 600/700 | 900/1000 |
| Laser Damage Threshold | CW CO₂ laser > 12 kW/cm² |
| Refractive Index (core) | 2.1 |
| Reflection Loss @ 10.6 µm | 25% |
