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Double-clad Fibers

DCF-UN-25/250-10

Double-Clad Passive Optical Fiber

Coractive optical fiber spools – DCF-UN-25/250-10

DCF-UN-25/250-10 at a glance

Key specifications

  • 25 ± 1.5

    Core Diameter (µm)

    Diameter of the light-guiding core.

  • 0.10 ± 0.01

    Core Numerical Aperture

    Light-acceptance angle of the core; with the core size, it sets how many modes are guided.

  • 250 ± 5

    Cladding Diameter (µm)

    Outer diameter of the glass cladding.

  • > 0.45

    Cladding Numerical Aperture

    High-NA cladding that captures and guides the pump light.

  • < 10.0

    Background Loss @ 1200 nm (dB/km)

    Low background losses.

  • 375 ± 20

    Coating Diameter (µm)

    Outer diameter of the protective polymer coating.

Description

The DCF-UN-25/250-10 passive fiber has excellent geometrical properties and low background losses. It is designed to match industry-standard active fibers. It is used for manufacturing passive components required in material processing or sensing applications.

Features & Benefits

  • Compatible with industry standards
  • Low background losses
  • Excellent geometrical properties

Applications

  • Passive component manufacturing
  • Fiber laser systems
  • Laser beam delivery

DCF-UN-25/250-10

Specifications

Optical
Core Numerical Aperture 0.10 ± 0.01
Cladding Numerical Aperture > 0.45
Background Loss @ 1200 nm (dB/km) < 10.0
Geometrical & Mechanical
Core Diameter (µm) 25 ± 1.5
Cladding Diameter (µm) 250 ± 5
Core/Cladding Concentricity Error (µm) < 2.5
Coating Diameter (µm) 375 ± 20

DCF-UN-25/250-10

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