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Beam Delivery Fibers

DCF-UN-50/400-12

Beam Delivery Optical Fiber

Coractive optical fiber spools – DCF-UN-50/400-12

DCF-UN-50/400-12 at a glance

Key specifications

  • 50 ± 5

    Core Diameter (µm)

    Diameter of the light-guiding core.

  • 0.12 ± 0.01

    Core Numerical Aperture

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

  • 400 ± 10

    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.

  • 560 ± 10

    Coating Diameter (µm)

    Outer diameter of the protective polymer coating.

Description

The DCF-UN-50/400-12 matches most industry-standard active fibers and is ideal as a beam delivery cable for high-power CW fiber lasers used in laser cutting applications.

Features & Benefits

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

Applications

  • Fiber laser beam delivery
  • Laser cutting & welding

DCF-UN-50/400-12

Specifications

Optical
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) 50 ± 5
Cladding Diameter (µm) 400 ± 10
Core/Cladding Concentricity Error (µm) ≤ 2.5
Coating Diameter (µm) 560 ± 10

DCF-UN-50/400-12

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