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Dual Band SM Fiber

  • Hermetic coating
  • High operating temperature, up to 150°C and 300°C
  • Low attenuation
  • Excellent core cladding concentricity
  • Hydrogen resistant
  • Improved fatigue resistance

Typical Applications:

  • Distributed temperature sensors (DTS)
  • Distributed acoustic sensors (DAS)
  • Distributed strain sensors (DSS)

    Comparison
    SM1250(10.4/125)HTSM1250(10.4/125)CHTSM1250(10.4/125)PSM1250(10.4/125)CP
    Operating Wavelength (nm)1260-16501260-16501260-16501260-1650
    Cut-Off Wavelength (nm)1190-12901190-12901190-12901190-1290
    Numerical Aperture0.11-0.140.11-0.140.11-0.140.11-0.14
    Mode Field Diameter (μm)9.6 - 11.2 @1550nm9.6 - 11.2 @1550nm9.6 - 11.2 @1550nm9.6 - 11.2 @1550nm
    Attenuation (dB/km)≤0.6 @1310nm ≤0.4 @1550nm≤0.6 @1310nm ≤0.4 @1550nm≤0.7 @1310nm ≤0.6 @1550nm≤0.7 @1310nm ≤0.6 @1550nm
    Proof Test (%)1 or 2 (100 or 200 kpsi)1 or 2 (100 or 200 kpsi)1 or 2 (100 or 200 kpsi)1 or 2 (100 or 200 kpsi)
    Cladding Diameter (μm)125 ± 1125 ± 2125 ± 1125 ± 2
    Core Cladding Concentricity (μm)≤1.0≤1.0≤0.75≤1.0
    Coating Diameter (μm)245 ± 15245 ± 15155 ± 5155 ± 5
    Coating TypeHigh Temperature AcrylateCarbon High TemperaturePolyimideCarbon Polyimide
    Operating Temperature (ºC)-55 to +150-55 to +150-55 to +300-55 to +300
    Product Variants Explained

    SM1250(10.4/125)HT

    Single-mode fiber designed for use at 1550nm with

    high temperature acrylate coating

    SM1250(10.4/125)CHTSingle-mode fiber designed for use at 1550nm with

    carbon high temperature
    SM1250(10.4/125)PSingle-mode fiber designed for use at 1310nm & 1550nm with polyimide
    SM1250(10.4/125)CPSingle-mode fiber designed for use at 1310nm & 1550nm
    Operating Wavelength (nm) 1260 - 1650
    Cut-Off Wavelength (nm) 1190 - 1290
    Numerical Aperture 0.11 – 0.14
    Mode Field Diameter (μm) 9.6 - 11.2 @1550nm
    Attenuation (dB/km) <0.6 @1310nm
    <0.4 @1550nm
    Proof Test (%) 1 or 2 (100 or 200 kpsi)
    Cladding Diameter (μm) 125 ± 1
    Core Cladding Concentricity (μm) ≤1.0
    Coating Diameter (μm) 245 ± 15
    Coating Type High Temperature Acrylate
    Operating Temperature (°C) -55 to +150
    Technical Bulletins