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Specialty Fiber

  • High Temperature Acrylate Coated Single Mode Fiber

    TFO’s high temperature acrylate coated single-mode fibers are designed for continuous use at +150℃. The fibers are available with different Numerical Aperture (NA) ranges to give various levels of macro and bend losses and Mode Field Diameters(MFDs) to give optimum choice depending on the application.
    High temperature acrylate coated fiber is primarily designed as a low attenuation fiber for use as a distributed sensor for Distributed Temperature Sensing (DTS), Distributed Pressure Sensing (DPS), Distibuted Strain Sensing (DSS) and Distributed Acoustic Sensing (DAS) applications. The higher cut-off wavelength than standard telecoms fibers allows this fiber to offer improved bend losses over standard single-mode fibers.

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Geometrical Specification

Classification Specification
Operating Wavelength 1550µm
Cut-Off Wavelength 1350 – 1520 nm
Numerical Aperture 0.13 – 0.15
Attenuation ≤ 0.35dB/km @1550nm
Mode Field Diameter 8.5 – 9.9 @1550nm
Cladding Diameter 125 ± 1µm
Coating Diameter 245± 15µm
Core Cladding Concentricity ≤0.75µm
Coating Type High Temperature Acrylate

Mechanical Specification

Classification Specification
Fiber proof test level 100 kpsi (1%)
Maximum Temperature 150℃ Long Term