Aluminum-coated single-mode optical fibers

ARTICLE OK-9/125AL

Aluminum-coated single-mode optical fibers have all the benefits of optical fibers include increased mechanical strength and greater fatigue resistance. Their transmittance covers a spectral range of 1300 to 1600 nm, and also remains stable in corrosive chemicals that normally react to silica glass. The temperature range is from -196C to +400C.


FEATURES:

  •  Excellent mechanical strength and flexibility compared to polymer coated fibers.
  •  Radiation resistant construction.
  •  Capability to feed the fibers into a high vacuum: the metal coating can be soldered and will not outgas.

 

FIBER SPECIFICATIONS

Aluminum-coated single-mode optical fiber ОК-9/125AL
Mode type SM
Core diameter,  µm 9 ± 0.5
Clad diameter, µm
125 ± 1
Cladding offset, % < 2
Coating offset, % < 5
Attenuation at 1300 nm, dB/km 9.5
Wavelength range, nm 1300 - 1600
Material of hermetic protective coating (Coating material) Aluminium
Additional inner layer Carbon
Core material Ge-doped
Clad material Silica
Numerical Aperture (NA) 0.14 ± 0.02
Short-term bending radius, mm > 10
Long-term bending radius, mm > 25
Proof test, kpsi 100
Min operating temperature, C -196
Max operating temperature, C 400

Aluminum-coated single-mode optical fibers

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