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Polyimide Coated SM Fiber

For embedded and high temperature applications

  • Polyimide coated enabling survival at temperatures up to 300°C
  • Ultra-low and low profile, bend insensitive fiber for downhole Seismic geophone sensors and high temperature distributed pressure and temperature sensors
  • Enhanced photosensitivity
  • Maintains composite material strength when embedded

Typical Applications:

  • Downhole sensors
  • Geophones
  • DTS, DAS, DSS and DPS
  • Embedded sensors
  • FBGs
  • Biomedical in vivo sensors
  • High temperature sensors

    Product Variants Explained

    SM1250(10.4/125)P

    Single-mode fiber designed for use at 1310nm and 1550nm with polyimide coating.

    SM1500(4.2/125)P

    Bend insensitive and highly photosensitive high temperature fiber for coiled sensors and FBG sensors in high temperatures

    SM1500(6.4/125)P

    Highly germanium doped fiber for sensor applications up to +300°C

    SM1500(7.8/125)P

    High temperature bridging fiber for use up to +300°C

    SM1500(9/125)P

    Polyimide coated transmission and distributed sensing fiber

    SM1500(4.2/50)P

    Bend insensitive polyimide coated fiber for high reliability miniature coils

    SM1500(4.2/80)P

    High temperature bend insensitive and photosensitive fiber for embedded and coiled sensors

    SM1500(5.3/80)P

    Bend insensitive coiled sensor fiber for micro-acoustic “fracking sensors”

    SM1500(6.4/80)P

    Reduced cladding diameter coiled sensor fiber for micro-acoustic “fracking sensors”

    SM1500(7.8/80)P

    “Bridging fiber” for reduced splice losses between sensor fibers and telecoms fibers

    Operating Wavelength (nm) 1260 - 1650
    Cut-Off Wavelength (nm) 1190 - 1330
    Numerical Aperture 0.11 - 0.14
    Mode Field Diameter (μm) 9.6 - 11.2 @1550nm
    Attenuation (dB/km) ≤0.7 @1310nm
    ≤0.6 @1550nm
    Proof Test (%) 1 or 2 (100 or 200 kpsi)
    Cladding Diameter (μm) 125 ± 2
    Core Cladding Concentricity (μm) ≤0.75
    Coating Diameter (μm) 155 ± 5
    Coating Type Polyimide
    Operating Temperature (°C) -55 to +300
    Technical Bulletins