PM Fiber

PMF,Polarization-maintaining fiber

PMF for Fibre Coil

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Polarization-Maintaining Fiber (PMF) coils are precision optical sensing elements used to preserve the polarization state of light in demanding navigation and sensing devices like fiber-optic gyroscopes (FOGs).
PMF,Polarization-maintaining fiber

Product Details

Applications:
  • FOGs
  • Polarization-maintaining fused-fibre couplers
  • Polarization-sensitive components
  • Laser pigtails
  • Polarization-based sensors

  • Characteristics:
    • Short beat length
    • High birefringence
    • Excellent polarization maintaining performance
    • Excellent geometrical uniformity and low attenuation
    • Excellent bending stability
    • Double UV coating structure
    • High service stability and reliability

    Specifications

    Fibre type PM 1310_125-16/250 PM 1310_80-16/165 PM 1310_80-16/135 PM 1310_60-16/100 PM 1310_80-16/135_HT PM 1550_125-18/250 PM 1550_80-18/165 PM 1550_80-18/135 PM 1550_80-18/135_HT PM 1550_60-18/100
    Part No. PMI016-A PMI016-B PMI016-G PMI016-M PMI016-GT PMI017-A PMI017-B PMI017-G PMI017-GT PMI017-M
    Optical properties
    Operating wavelength (nm) 1310 1310 1310 1310 1310 1550 1550 1550 1550 1550
    Fibre cutoff wavelength (nm) 1100~1290 1100~1290 1100~1290 1100~1290 1100-1290 1290~1520 1290~1520 1290~1520 1290-1520 1290~1520
    Mode field diameter (μm)  6.0±0.5@1310nm 6.0±0.5@1310nm 6.0±0.5@1310nm 6.0±0.5@1310nm 6.0±0.5@1310nm 6.5±0.5@1550nm 6.5±0.5@1550nm 6.5±0.5@1550nm 6.5±0.5@1550nm 6.5±0.5@1550nm
    Attenuation (dB/km) ≤0.6 ≤0.6 ≤0.6 ≤0.6 ≤0.6 ≤0.5 ≤0.5 ≤0.5 ≤0.5 ≤0.5
    Beat length (mm) ≤3.0 ≤3.0 ≤2.5 ≤3.0 ≤2.5 ≤3.5 ≤3.5 ≤3.0 ≤3.0 ≤3.5
    Polarization Dependent Loss@1000m (dB) ≤-30@1310nm ≤-30@1310nm ≤-25@1310nm ≤-15@1310nm ≤-25@1310nm ≤-30@1550nm ≤-30@1550nm ≤-25@1550nm ≤-25@1550nm ≤-15@1550nm
    Geometrical properties
    Cladding diameter (μm) 125.0±1.0 80.0±1.0 80.0±1.0 60.0±1.0 80.0±1.0 125.0±1.0 80.0±1.0 80.0±1.0 80.0±1.0 60.0±1.0
    Coating diameter (μm) 245.0±5.0 165.0±5.0 135.0±5.0 100.0±5.0 135.0±5.0 245.0±5.0 165.0±5.0 135.0±5.0 135.0±5.0 100.0±5.0
    Cladding non-circularity (%) ≤1.0 ≤1.0 ≤1.0 ≤1.0 ≤1.0 ≤1.0 ≤1.0 ≤1.0 ≤1.0 ≤1.0
    Core/cladding concentricity error (μm) ≤0.5 ≤0.5 ≤0.5 ≤0.5 ≤0.5 ≤0.5 ≤0.5 ≤0.5 ≤0.5 ≤0.5
    Coating material Dual-layer, UV-cured acrylate Dual-layer, UV-cured acrylate Dual-layer, UV-cured acrylate Dual-layer, UV-cured acrylate Dual-layer, UV-cured acrylate Dual-layer, UV-cured acrylate Dual-layer, UV-cured acrylate Dual-layer, UV-cured acrylate Dual-layer, UV-cured acrylate Dual-layer, UV-cured acrylate
    Mechanical performance
    Operating temperature range (°C) -45~85 -45~85 -45~85 -55~95 -55~95 -45~85 -45~85 -45~85 -55~95 -55~95
    Proof test level (kpsi) 100 100 100 100 100 100 100 100 100 100

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