Polarization maintaining Panda-type fiber

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PM Panda-type fiber

Count

  • Operating wavelength
  • 1550 nm
  • Numerical aperture
  •  0,18 ± 0,2 or 0,20 ± 0,2
  • Cut-off wavelength
  •  1,425 ± 0,075 μm
  • Attenuation at 1550 nm
  •  <1,5 dB/km
  • Birefringence
  •  >5,5×10-4
  • Description
  • Features
  • Recommendations
    for Use

Panda-type optical fiber with high birefringence and stability of geometrical parameters which provides high quality of fiber coils of gyroscopes.

Parameters of the fiber may be customized.

JSC «Leningrad Laser Systems» (LLS) offers full technical support and worldwide shipping of products. We guarantee you high quality and fast supply of components and equipment!

Features
  • Parameter
    Value
  • Operating wavelength
    1550 nm
  • Numerical aperture
     0,18 ± 0,2 or 0,20 ± 0,2
  • Cut-off wavelength
     1,425 ± 0,075 μm
  • Attenuation at 1550 nm
     <1,5 dB/km
  • Birefringence
     >5,5×10-4
  • h-parameter of  fiber in shipping spool
     <1,0×10-5 1/m
  • Extinction ratio of  freespool Ø 100 mm at 20 ℃ (for 100 m waveguide)
     >35 dB
  • Mode field diameter at 1550 nm
     7,4 ± 0,9 μm
  • Cladding diameter
     80 ± 2 μm
  • Variation of cladding diameter оn 1000 m coil ends
     0,5
  • Coating diameter
     165 ± 4 μm
  • Alteration of coating diameter at coil ends
     1,5 μm, max
  • Cladding/Coating concentricity
     <5 μm
  • Core/Cladding offset
     <0,5 μm
  • Prooftest
     0,6 %
  • Operating temperature range
     -60 to +60°C

Applications:

  • Fiber gyroscopes
  • Interferometry sensors
  • Superluminescent laser sources
  • Components for Raman amplifiers
  • Key component in super-long networks and wirh systems speeds from 40 Gbps and higher
  • Passive components such as optical splitters and switchers
  • Polarization Mode Dispersion Compensators (PMD) - for phase sensitive systems