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125µm diameter SM specialty fibers - Operating at 1520nm - 1650nm

450nm to 1750nm Single-Mode Transmission

  • 125/245μm fiber for SM transmission from 450nm - 1750nm
  • 80/170μm fibers for high reliability, small form-factor telecom components
  • Ultra-low & low profile, bend-insensitive fiber for de-polarized FOGs, acoustic sensors & small form-factor sensor components
  • High NAs for enhanced bend-insensitivity
  • High Ge content offering intrinsic photosensitivity for FBG inscription without hydrogenation

Typical Applications:

  • Hydrophones/Geophones
  • Telemetry
  • Down-link fibers
  • FBGs
  • DTS/DAS/DSS
  • Laser diode pigtails
  • Biomedical probes
  • Couplers

    Comparison
    Model SM1500(4.2/125) SM1500(6.4/125) SM1500(7.8/125) SM1500(9/125)
    Operating Wavelength (nm) 1520 - 1650 1520 - 1650 1520 - 1650 1520 - 1650
    Cut-Off Wavelength (nm) 1350 - 1520 1350 - 1520 1350 - 1520 1300 - 1500
    Numerical Aperture 0.29 - 0.31 0.19 - 0.21 0.15 - 0.17 0.13 - 0.15
    Mode Field Diameter (μm) 4.0 - 4.5 @1550nm 6.0 - 6.8 @1550nm 7.4 - 8.6 @1550nm 8.5 - 9.9 @1550nm
    Attenuation (dB/km) ≤1.5 @1550nm ≤0.5 @1550nm ≤0.4 @1550nm ≤0.35 @1550nm
    Proof Test (%) 1, 2 or 3 (100, 200 or 300 kpsi) 1, 2 or 3 (100, 200 or 300 kpsi) 1, 2 or 3 (100, 200 or 300 kpsi) 1, 2 or 3 (100, 200 or 300 kpsi)
    Cladding Diameter (μm) 125 ± 1 125 ± 1 125 ± 1 125 ± 1
    Core Cladding Concentricity (μm) ≤0.50 ≤0.75 ≤0.75 ≤0.40
    Coating Diameter (μm) 245 ± 7 245 ± 7 245 ± 7 245 ± 7
    Coating Type Dual Acrylate Dual Acrylate Dual Acrylate Dual Acrylate
    Operating Temperature (°C) -55 to +85 -55 to +85 -55 to +85 -55 to +85
    Product Variants Explained

    SM1500(4.2/125)

    Highly bend insensitive and photosensitive fiber for FBG sensor arrays

    SM1500(6.4/125)

    Bend insensitive fiber for distributed sensors

    SM1500(7.8/125)

    “Bridging fiber” for reducing splice loss between sensor fibers and telecoms fibers

    SM1500(9/125)

    Low attenuation telecoms style fiber

    Operating Wavelength (nm) 1520 - 1650
    Cut-Off Wavelength (nm) 1350 - 1520
    Numerical Aperture 0.29 - 0.31
    Mode Field Diameter (μm) 4.0 - 4.5 @1550nm
    Attenuation (dB/km) ≤1.5 @1550nm
    Proof Test (%) 1, 2 or 3 (100, 200 or 300 kpsi)
    Cladding Diameter (μm) 125 ± 1
    Core Cladding Concentricity (μm) ≤0.50
    Coating Diameter (μm) 245 ± 7
    Coating Type Dual Acrylate
    Operating Temperature (°C) -55 to +85