Supply, integration of laser-optical components and equipment. Resident of ITMO Technopark
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Supply, integration of laser-optical components and equipment. Resident of ITMO Technopark

High Birefringence Spun Panda Fiber

Count

  • Operating wavelength
  • 1550 nm
  • Cut-off wavelength
  • 1.425±0.050 μm
  • Attenuation at 1550 nm
  •  < 5  dB/km
  • Length of polarization beats on non-twisted fiber
  •  7 ± 2 mm
  • The polarization beat length on twisted fiber
  •  100 ± 30 mm
  • Description
  • Features

Panda-type circular polarized fibers are used for fiber optic current sensors based on Faraday effect. Highly stable fiber drawing process guarantees high stability of twisting pitch and geometrical parameters.

Parameters

Cladding diameter, μm 125±2 80±2
Coating diameter, μm   
250 ± 10 170 ± 10
Cladding/coating concentricity, μm   
<12,0 <5,0
Core/cladding offset, μm <2 <1

Parameters of the fiber may be customized.

SC «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
  • Cut-off wavelength
    1.425±0.050 μm
  • Attenuation at 1550 nm
     < 5  dB/km
  • Length of polarization beats on non-twisted fiber
     7 ± 2 mm
  • The polarization beat length on twisted fiber
     100 ± 30 mm
  • Mode field diameter at 1550 nm
     7.4 ± 0.5 μm
  • Cladding diameter 
    125±2 μm or 80±2 μm
  • Coating diameter
     250 ± 10 μm or 170 ± 10 μm
  • Cladding/coating concentricity
     <12.0 μm or <5.0 μm
  • Core/cladding offset
     <2 μm or <1 μm
  • Twisting pitch
     (3 – 10) mm ± 10 %  (calculated value)
  • Prooftest
     0.5 % minimum
  • Operating temperature range
    -60 to +60°C

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