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Step Index Multi-mode Fibre (SIMM)

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General Details

The silica-cladding multimode fibres (preforms) with step index profile are comprehensively optimized at both 850nm and 1300nm operating wavelengths. At both wavelengths, extremely low attenuation and high bandwidth could be achieved. To satisfy the demand of client to the most extent, a series of silica-cladding step index multimode fibres can be customized with different fibre designs, including core diameter, cladding diameter, fibre diameter and NA.

These fibres are manufactured with the advanced Plasma Activated Chemical Vapor Deposition (PCVD) process. Due to the inherent advantages of the process, YOFC fibres have extremely precise refractive index profiles (RIPs) to provide excellent geometrical, optical, environmental and mechanical properties.

We accept customization
●　Flexible Numerical Aperture (NA): 0.10~0.34
●　Flexible Core-Cladding Diameter Ratio (CCDR): 1.05~1.4
●　Core Diameter: 40μm-800μm
●　High strength fibre
●　Customized Preform and Fluorine doped Substrate Tube
●　Silicone or Polyimide coating is available to achieve high temperature fibre
●　Tight buffer with diameter 500μm or 900μm is available. PVC,ETFE and Hytrel are provided for the tight buffer material.

Features
  • High coupling efficiency to LED and laser sources
  • High power transmission
  • Good stripping performance
  • Low loss broad spectrum application,275~2100nm
Specifications

Typical Product – 1

Fibre Type SI 40/125-22/220 S1100/140-22/250 S1105/125-15/250 S1105/125-22/250 S1110/125-20/250
Part No. SI2014-E SI2014-H SI2012-J SI2014-D SI2013-A
Optical Properties
Numerical Aperture 0.22 ±0.02 0.22±0.02 0.15±0.02 0.22 ±0.02 0.20 ±0.02
Attenuation @850nm (dB/km) ≤3.0 ≤3.0 ≤8.0 ≤4.0 S8.0
Attenuatoin @1300nm(dB/km) ≤2.0 ≤1.2 ≤3.0 ≤2.0 ≤3.0
Geometrical Properties
Core Diameter (um) 40.0±2.0 100.0±3.0 105.0±2.0 105.0±3.0 110.0±3.0
Cladding Diameter (um) 125.0±2.0 140.0±3.0 125.0±3.0 125.0±3.0 125.0±3.0
Coating Diameter (um) 250.0± 10.0 250.0± 10.0 250.0± 10.0 250.0± 10.0 250.0± 10.0
Core Concentricity Error (um) ≤3.0 ≤3.0 ≤3.0 ≤3.0 ≤3.0
Mechanical Properties
Proof Test Levei (kpsi) 100 100 100 100 100
Spool Length (km) ≥0.5 ≥0.5 ≥0.5 ≥0.5 ≥0.5
Material Composition
Core Pure Silica Glass or Ge/F Doped Silica Glass
Cladding Pure Silica Glass or F Doped Silica Glass
Coating Dual-layer UV-Acrylate

Typical Product – 2

Fibre Type SI 200/220-22/500 SI 200/240-22/500 SI 400/440-22/730 SI 600/660-22/960 SI 800/840-22/1100
Part No. SI2024-P SI2014-Q SI2024-G SI2024-A SI2523-B
Optical Properties
Numerical Aperture 0.22 ± 0.02 0.22±0.02 0.22 ±0.02 0.22 ±0.02 0.22 ±0.02
Geometrical Properties
Core Diameter (um) 200.0 ±5.0 200.0 ±5.0 400.0 ±8.0 600.0± 10.0 800.0± 10.0
Cladding Diameter (um) 220.0 ±5.0 240.0 ±5.0 440.0 ±8.0 660.0± 10.0 840.0± 10.0
Coating Diameter (um) 500.0 ±20.0 500.0 ±20.0 730.0 ±30.0 960.0 ±30.0 1100.0±50.0
Core Concentricity Error (um) ≤3.0 ≤3.0 ≤3.0 ≤3.0 ≤3.0
Core Non-circularity (%) ≤3.0 ≤3.0 ≤3.0 ≤3.0 ≤3.0
Claddina Non-circularitv (%) ≤2.0 ≤2.0 ≤2.0 ≤2.0 ≤2.0
Mechanical Properties
Proof Test Level (kpsi) 100 100 100 100 100
Spool Length (km) ≥0.5 ≥0.5 ≥0.5 ≥0.5 ≥0.5
Material Composition
Core Pure Silica Glass or Ge/F Doped Silica Glass
Cladding Pure Silica Glass or F Doped Silica Glass
Coating Dual-layer UV-Acrylate
Applications
  • High coupling efficiency to LED and laser sources
  • High power transmission
  • Good stripping performance
  • Low loss broad spectrum application,275~2100nm
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