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Copper-coated step index multimode optical fibers (High OH)

Copper-coated step index multimode optical fibers (High OH)
Copper-coated step index multimode optical fibers have all the benefits of silica-silica fibers. Additional significant improvements include increased mechanical strength and greater fatigue resistance compared to non-hermetic and polymer-clad fibers (PCS). Their transmittance covers a spectral range of 250 to 1200 nm, and also remains stable in corrosive chemicals that normally react to silica glass. The temperature range is from -196C to +600C . Hermetically metal-coated optical fibers are the optimum candidate when used in high vacuum and harsh environmental conditions.

FEUTURES:

  • Greatly enhanced resistance to high power laser radiation.
  • Higher core-to-clad ratio and enlarged NA optimized for coupling to high-energy lasers.
  • Better fiber cooling due to the heat-conducting metal coating.
  • Excellent mechanical strength and flexibility compared to polymer coated fibers.
  • The metal coating can be soldered and will not outgas.

 

General Properties
Core diameter, µmClad diameter, µmCoating diameter, µmCladding offset, %Coating offset, %
200 ± 2220 ± 2280 ± 10< 2< 5

 

General Properties
Core diameter, µmClad diameter, µmCoating diameter, µmCladding offset, %Coating offset, %
200 ± 2220 ± 2280 ± 10< 2< 5

 

General Properties
Core diameter, µmClad diameter, µmCoating diameter, µmCladding offset, %Coating offset, %
200 ± 2220 ± 2280 ± 10< 2< 5

 

Optical Properties
Core materialClad materialIndex profileWavelength range, nmAttenuation at 800/1300 nm1, dB/km
Pure syntetic silicaDoped silica (F-doped)Step250 - 1200the loss spectrum in the long wavelength region ( > 1um) is higher than that of the material

 

Optical Properties
Core materialClad materialIndex profileWavelength range, nmAttenuation at 800/13001, dB/km
Pure syntetic silicaDoped silica (F-doped)Step250 - 1200the loss spectrum in the long wavelength region ( > 1um) is higher than that of the material

 

Optical Properties
Core materialClad materialIndex profileWavelength range, nmAttenuation at 800/13001, dB/km
Pure syntetic silicaDoped silica (F-doped)Step250 - 1200the loss spectrum in the long wavelength region ( > 1um) is higher than that of the material

 

Operating conditions
Proof test, kpsiMin operating temperature2,3 CShort-term/Long-term bending radius,mmMax operating temperature (time < 60s)/(time > 60s)2 CPermissible rate of temperature change in the temperature range, C/min
100-19660 times/120 times the fiber diameters600/< 4005

 

Operating conditions
Proof test, kpsiMin operating temperature2,3 CShort-term/Long-term bending radius,mmMax operating temperature(time < 60s)/(time > 60s)2 CPermissible rate of temperature change in the temperature range, C/min
100-19660 times/120 times the fiber diameters600/< 4005

 

Operating conditions
Proof test, kpsiMin operating temperature2,3 CShort-term/Long-term bending radius,mmMax operating temperature(time < 60s)/(time > 60s)2 CPermissible rate of temperature change in the temperature range, C/min
100-19660 times/120 times the fiber diameters600/< 4005
1- under normal climatic conditions
2- in inert environment
3- at the minimum operating temperature, the integrity of the optical fiber is guaranteed
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