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PM Fibers

Yb-DCOF-15/125-08-2.7-PM

Ytterbium-doped polarisation maintaining fiber

Coractive optical fiber spools – Yb-DCOF-15/125-08-2.7-PM

Yb-DCOF-15/125-08-2.7-PM at a glance

Key specifications

  • 2.7 ± 0.3

    Cladding Absorption @ 915 nm (dB/m)

    High absorption for short amplifier length, high energy per pulse.

  • ≥ 1.8 x 10-4

    Birefringence

    High birefringence.

  • 15 ± 1

    Core Diameter (μm)

    Diameter of the light-guiding core.

  • 0.08 ± 0.01

    Core Numerical Aperture

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

  • 125 ± 1

    Silica Cladding Diameter (μm)

    Outer diameter of the glass cladding.

  • > 0.47

    Cladding Numerical Aperture

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

Description

Developed by our key partner INO, the Yb-DCOF-15/125-08-2.7-PM fiber is a PM, double clad fiber, featuring a 15 µm core diameter and high absorption, with a low photodarkening core glass host ensuring long term performances. Its near diffraction limited output design makes it the perfect choice for pulsed fiber lasers and amplifiers requiring superior beam quality.

Features & Benefits

  • Near diffraction limited output design
  • High birefringence
  • High absorption for short amplifier length, high energy per pulse
  • Low photodarkening

Applications

  • Pulsed fiber amplifiers and lasers
  • Frequency Conversion
  • Material Processing

Yb-DCOF-15/125-08-2.7-PM

Specifications

Optical
Cladding Absorption @ 915 nm (dB/m) 2.7 ± 0.3
Cladding Absorption @ 975 nm (nominal) (dB/m) 10
Core Numerical Aperture 0.08 ± 0.01
Cladding Numerical Aperture > 0.47
Birefringence ≥ 1.8 x 10-4
Geometrical & Mechanical
Optical Cladding Double
Core Diameter (μm) 15 ± 1
Silica Cladding Diameter (μm) 125 ± 1
Coating Diameter (μm) 245 ± 5
Cladding Geometry Round
Core/Cladding Concentricity Error (µm) < 0.5
Screen Proof tested (kpsi) ≥ 100
Confined Core No
Depressed Cladding No

Yb-DCOF-15/125-08-2.7-PM

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