Photon Kinetics  

S14 Refractive Index Profiler

The ultimate diagnostic tool for optical fiber production

Product Photo

The S14 Refractive Index Profiler provides accurate, precise characterization of the refractive index profile of single-mode, multimode, and specialty fibers using the RNF (Refracted Near Field) technique. Fiber geometry parameters and mode field diameter at user-specified wavelengths can be calculated from the S14 index profile data. Manufacturers can also use the data to predict other fiber transmission parameters such as cut-off wavelength and chromatic dispersion.

Features and Benefits
  • Fast automatic fiber location
  • High speed sample scanning
  • Index profile, geometry, numerical aperture and mode field diameter
  • Calibration traceable to NPL
  • Multiple reuse of measurement cells

Repeatability Cladding Core (single-mode) Core (multimode)
Diameter ≤ 0.3 µm ≤ 0.15 µm ≤ 0.2 µm
Non-circularity ≤ 0.3% ≤ 2.5% ≤ 0.5%
Concentricity N/A ≤ 0.25 µm ≤ 0.25 µm
Refractive Index Delta 0.0002
Measurement Time < 1 sec (1-D Line Scan)

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