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S14 Refractive Index Profiler
The ultimate diagnostic tool for fiber 
The S14 Refractive Index Profiler complements optical fiber preform analysis measurements by providing highly accurate and precise
characterization of the refractive index profile of drawn single-mode,
multimode, and specialty fibers using the RNF (Refracted Near Field)
technique. The S14 index profile data produces fiber geometry information
directly. Manufacturers can also use S14 data for the prediction of fiber
transmission parameters such as mode field diameter, cut-off wavelength,
and chromatic dispersion.
Features and Benefits
- Fast automatic fiber location
- High speed sample scanning
- Index profile, geometry & NA
- Calibration traceable to NPL
- Multiple reuse of measurement cells
Specifications
| Repeatability |
Cladding |
Core (single-mode) |
Core (multimode) |
| Diameter |
< 0.05 µm |
< 0.05 µm |
< 0.05 µm |
| Ovality |
< 0.3% |
< 0.5% |
< 0.5% |
| Concentricity Error |
N/A |
< 0.05 µm |
< 0.05 µm |
| Refractive Index Delta |
0.0002 |
| Measurement Time |
2 µm pitch: 3 min. (120 cladding edge points)
10 µm pitch: 1 min. (12 cladding edge points) |
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