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Telecoms PM Fiber - Ultra-Short Beat-Length

For EDFA pumps, Raman pump Lyot depolarizers, and telecommunications applications

  • Ultra-short beat-length variants for superior polarization performance
  • Splice compatible with both standard SM fibers and other PM fibers
  • Available in both 245μm and 400μm coating diameters
  • Tested in accordance with Telecordia GR-20-CORE
  • Excellent geometry for splicing

Typical Applications:

  • Pump diode pigtails
  • Erbium Doped Fiber Amplifier (EDFA)
  • Cable Television (CATV)
  • Interferometric sensors
  • Lyot depolarizers
    Comparison
    HB980T(6.6/125)HB1250T(9/125)HB14XXT
    Operating Wavelength (nm)980-13101260-16501300-1650
    Cut-Off Wavelength (nm)870-9701100-12501100-1290
    Numerical Aperture0.11-0.130.11-0.130.11-0.13
    Mode Field Diameter (μm)6.1-7.1 @980nm8.1-9.9 @1310nm9.5-11.5 @1465nm
    Attenuation (dB/km) ≤2 @980nm≤2 @1310nm≤2 @1480nm
    Beat-Length (mm) @633nm≤1.2≤1.2≤1.2
    Proof Test (%)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 ± 1125 ± 1
    Core Cladding Concentricity (μm)≤0.4≤0.4≤0.6
    Coating Diameter (μm)245 ± 7245 ± 7245 ± 7
    Coating TypeDual Layer AcrylateDual Layer AcrylateDual Layer Acrylate
    Operating Temperature (ºC)-55 to +85-55 to +85-55 to +85
    Product Variants Explained
    HB980T(6.6/125) Short beat-length PM fiber for 980nm telecoms applications
    HB1250T(9/125) Short beat-length PM fiber for 1310nm telecoms applications
    HB14XXT Short beat-length 14XXnm fiber for Raman depolarizers
    Technical Bulletins