Copper Coated Silica Fibers

Main features:

  • Working temperatures* up to 600°C
  • Excellent mechanical strength and flexibility
  • No outgassing under high vacuum conditions
  • Solderable into connectors (epoxy-free option)
  • Effective heat rejection along metal coating
  • Steaming, ETO, steam, e-beam or gamma sterilizable

* Working temperatures range is valid for using in non-oxidizing atmospheres

For more information see data and downloads available below

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art photonics’ Copper-alloy Coated Silica Fibers are the optimal solution for applications in high temperature, vacuum and harsh environment conditions.

Cu-alloy coated fibers have all benefits of silica-silica fibers. Additional significant advantages include a superior mechanical strength and better fatigue resistance compared to polymer coated fibers.

The transmission range spans 220 to 2400 nm depending on UV or NIR silica fiber core choice. The working temperature range* is from -270°C to 600°C; humidity – up to 100%.

For more information please visit our “Downloads” section and find relative articles at our “Publications” page.

 

Specification of Cu-alloy coated Fibers
Core/ Cladding material Step Index Pure Fused Silica Core / Fluorine Doped Silica Cladding
Graded Index Germanium Doped Fused Silica Core / Pure Fused Silica
Fiber core diameters, μm 9; 50; 62.5; 100; 200; 400; 600
Cu-alloy coating thickness, μm 15 – 50 (depending on fiber diameter)
Standard Numerical Aperture (NA) 0.22 ± 0.02
Available Numerical Aperture (NA) 0.12 ± 0.02
0.26 ± 0.02
Min operating temperature, °C -270
Max operating temperature, °C +600
Humidity Range Up to 100%
Minimal bending radius (long term) 200 x fiber outer diameter
Minimal bending radius (short term) 100 x fiber outer diameter
 Tensile strength (short gauge), GPa 3.5 – 6
 Two point bending strength, GPa >10
Static fatigue parameter >100

 

Parameters of standard Cu-alloy coated Fibers
Code Type Core, μm Cladding, μm Coating Cu, μm NA
100/110 Cu Step Index Multimode 100 ± 2% 110 ± 2% 145 ± 5% 0.22
200/220 Cu Step Index Multimode 200 ± 2% 220 ± 2% 270 ± 5% 0.22
400/440 Cu Step Index Multimode 400 ± 2% 440 ± 2% 535 ± 5% 0.22
600/660 Cu Step Index Multimode 600 ± 2% 660 ± 2% 745 ± 5% 0.22
50/125 Cu Graded Index Multimode 50 ± 2% 125 ± 2% 165 ± 2% 0.22
9/125 Cu Single mode 9 ± 5% 235 ± 5% 165 ± 2% 0.13
  • High temperature environments
  • Harsh Chemical environments
  • Nuclear radiation resistant devices
  • Down-hole sensing for oil and gas industry
  • High Power Laser delivery
  • Medical applications
  • Soldered fiber bundles
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