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

High-power-laser-ready multimode fiber with a low-OH core and hermetic copper coating — 400 to 2200 nm, in 7 core sizes.

Datasheet

Copper-coated step index multimode optical fibers have all the benefits of 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 400 to 2200 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.

Fiber type; multimode; multimode; multimode; multimode; multimode; multimode; multimode Index profile; Step; Step; Step;Step; Step; Step ;Step Core diameter, µm; 50 ± 3 ;113 ± 2 ;200 ± 2; 300 ± 4; 400 ± 5; 600 ± 8; 800 ± 10 Clad diameter, µm ;125 ± 3; 125 ± 2; 220 ± 2; 330 ± 4 ;440 ± 5; 660 ± 8; 880 ± 10 Coating diameter, µm; 160 ± 10; 160 ± 10; 280 ± 10; 420 ± 10; 545 ± 10 ;775 ± 10 ;980 ± 10 Cladding offset, %; < 2; < 2; < 2; < 2; < 2; < 2; < 2 Coating offset, %; < 5; < 5; < 5; < 5; < 5; < 5; < 5 Attenuation at 800/1300 nm1, dB/km (See grapf Low OH); 14; the loss spectrum in the long wavelength region ( > 1um) is higher than that of the material;the loss spectrum in the long wavelength region ( > 1um) is higher than that of the material;the loss spectrum in the long wavelength region ( > 1um) is higher than that of the material;the loss spectrum is close to the material loss spectrum;the loss spectrum is close to the material loss spectrum;the loss spectrum is close to the material loss spectrum Wavelength range, nm (See grapf Low OH); 1000 - 1600; 400 - 1100; 400 - 1700; 400 - 1700; 400 - 2200;400 - 2200;400 - 2200 Coating material; Copper 99,99%; Copper 99,99%; Copper 99,99%; Copper 99,99%; Copper 99,99%; Copper 99,99%; Copper 99,99% Core material; Pure syntetic silica (low OH); Pure syntetic silica (low OH); Pure syntetic silica (low OH); Pure syntetic silica (low OH); Pure syntetic silica (low OH); Pure syntetic silica (low OH); Pure syntetic silica (low OH) Clad material; Doped silica (F-doped); Doped silica (F-doped); Doped silica (F-doped); Doped silica (F-doped); Doped silica (F-doped); Doped silica (F-doped); Doped silica (F-doped) Additional inner layer; Carbon; Carbon; Carbon; Carbon; Carbon; Carbon; Carbon Numerical Aperture (NA); 0.16 ± 0.02; 0.22 ± 0.02; 0.22 ± 0.02; 0.22 ± 0.02; 0.22 ± 0.02; 0.22 ± 0.02; 0.22 ± 0.02 Short-term bending radius; 60 times the fiber diameters; 60 times the fiber diameters; 60 times the fiber diameters; 60 times the fiber diameters; 60 times the fiber diameters; 60 times the fiber diameters; 60 times the fiber diameters Long-term bending radius; 120 times the fiber diameters; 120 times the fiber diameters; 120 times the fiber diameters; 120 times the fiber diameters; 120 times the fiber diameters; 120 times the fiber diameters; 120 times the fiber diameters Proof test, kpsi; 100; 100; 100; 100; 100; 100; 100 Min operating temperature2,3, C; -196; -196; -196; -196; -196; -196; -196 Max operating temperature (short time < 60s)2, C; 600; 600; 600; 600; 600; 600; 600 Max operating temperature (long time > 60s)2, C; < 400; < 400; < 400; < 400; < 400; < 400; < 400 Permissible rate of temperature change in the temperature range, C/min; 5; 5; 5; 5; 5; 5; 5

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

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