The DCF-UN-6/125-12 passive fiber is used for the manufacture of passive components such as pump combiners or isolators. These components are part of high-power fiber lasers and amplifiers designed for industrial applications.

Features & Benefits
  • Compatible with industry-standard active fibers
  • Low background losses
  • Excellent geometrical properties
  • Passive component manufacturing
  • Fiber laser systems
Core Numerical Aperture
0.12 ± 0.01
Cladding Numerical Aperture
> 0.45
Background Loss @ 1200 nm (dB/km)
< 10.0
Geometrical & Mechanical
Core Diameter (µm)
6.5 ± 0.5
Cladding Diameter (µm)
125 ± 2
Core/Cladding Concentricity Error (µm)
< 0.8
Coating Diameter (µm)
260 ± 20

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