The SCF-UN-25/250-10 single-clad passive fiber is designed for quasi-single-mode operation. It features excellent geometrical properties and is used for manufacturing passive components. With its low background losses, this fiber is well-suited for the design of fiber lasers and amplifiers used in material processing or sensing applications.

Features & Benefits
  • Compatible with industry-standard active fibers
  • Low background losses
  • Excellent geometrical properties
  • Passive component manufacturing
  • Fiber lasers and amplifiers
  • Material processing
  • Sensing
Core Numerical Aperture
0.10 ± 0.01
Background Loss @ 1550 nm (dB/km)
< 25.0
Geometrical & Mechanical
Core Diameter (µm)
25 ± 1.5
Cladding Diameter (µm)
250 ± 5
Core/Cladding Concentricity Error (µm)
≤ 2.5
Coating Diameter (µm)
390 ± 20

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