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


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


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


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


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


    Polyimide coated transmission and distributed sensing fiber


    Bend insensitive polyimide coated fiber for high reliability miniature coils


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


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


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


    “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