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Er/Yb Fibers

DCF-EY-25/250P-ASEF

Erbium/Ytterbium co-doped double-clad fiber

DCF-EY-25/250P-ASEF at a glance

Key specifications

  • <= 20

    Background Loss @1200 nm (dB/km)

    Fiber loss outside the absorption bands.

  • 2.75 ± 0.45

    Cladding Absorption @ 915 nm (dB/m)

    High absorption and power conversion efficiency (PCE).

  • 100 ± 15

    Core Absorption @ 1535 nm (dB/m)

    Light absorbed per metre by the doped core at the stated wavelength.

  • Min 0.45

    Numerical Aperture - Cladding

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

  • Typ. 0.09

    Numerical Aperture - Core

    Large mode area and high output power.

  • 250 ± 5

    Cladding diameter (μm)

    Outer diameter of the glass cladding.

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Erbium/Ytterbium co-doped double-clad fiber

DCF-EY-25/250P-ASEF

Description

Coractive’s new Erbium/Ytterbium co-doped fibre designed for EYDFA applications requiring high output power, high efficiency and low 1 μm parasitic ASE emission. Featuring a large mode area, high doping concentration and high efficiency, DCF-EY-25/250P-ASEF is the solution fo high poer lasers at 1.5 μm, eye-safe fiber lasers and amplifiers, LiDAR and spectroscopy.

Features & Benefits

  • High absorption and power conversion efficiency (PCE)
  • Large mode area and high output power
  • Excellent suppression of 1 μm ASE emission

Applications

  • High power lasers at 1.5 μm
  • Optical communications
  • Sensing and spectroscopy
  • LiDAR

DCF-EY-25/250P-ASEF

Optical fiber specifications

Optical
Background Loss @1200 nm (dB/km)
<= 20
Cladding Absorption @ 915 nm (dB/m)
2.75 ± 0.45
Core Absorption @ 1535 nm (dB/m)
100 ± 15
Numerical Aperture - Cladding
Min 0.45
Numerical Aperture - Core
Typ. 0.09
Geometrical & Mechanical
Cladding diameter (μm)
250 ± 5
Cladding geometry
Oct.
Coating Diameter (μm)
375 ± 20
Core Diameter (μm)
25 ± 2
Core/Cladding Concentricity Error (μm)
<= 2
Proof Test (kpsi)
>= 100
Environmental
Storage Temperature (°C)
-40 to +85

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