The DCF-UN-8/125-14 passive fiber has been designed to match active fibers such as the DCF-EY-6/128 and the DCF-EY-10/128H in order to minimize splicing losses. Moreover, it can be used for manufacturing passive components used in the design of fiber lasers and amplifiers.

Features & Benefits
  • Compatible with industry-standard active fibers
  • Low background losses
  • Excellent geometrical properties
  • Passive component manufacturing
  • Fiber lasers and amplifiers
  • Telecom
  • Sensing
Core Numerical Aperture
0.14 ± 0.02
Cladding Numerical Aperture
> 0.45
Background Loss @ 1550 nm (dB/km)
< 10.0
Geometrical & Mechanical
Core Diameter (µm)
8 ± 1
Cladding Diameter (µm)
125 ± 1
Core/Cladding Concentricity Error (µm)
≤ 0.8
Coating Diameter (µm)
260 ± 20

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