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DCF-YB-30/250EH

Ytterbium-Doped Fiber for Pulsed Lasers

  • Pulsed lasers & amplifiers
  • Amplifier section of multi-stage high-power amplifiers
  • Lasers for marking
  • Low energy laser cleaning
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DCF-YB-30/250EH at a glance

Key specifications

2.2 ± 0.3
Cladding Absorption @ 915 nm (dB/m)
(6.8)
Cladding Absorption @ 975 nm (nominal) (dB/m)
0.061 ± 0.002
Core Numerical Aperture
Min. 0.45
Cladding Numerical Aperture
30.0 ± 2.0
Core Diameter (µm)
250 ± 5
Cladding Diameter (µm)
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Ytterbium-Doped Fiber for Pulsed Lasers

DCF-YB-30/250EH

Description

Specifications
Specifications

Coractive’s DCF-YB-30/250EH Yb fiber shows excellent photodarkening resistance performance ensuring high reliability and long-term stability. This fiber shows high absorption as well as excellent beam quality and is ideal for high-power pulsed fiber lasers and amplifiers used for industrial applications.

Features & Benefits

  • High effective pump absorption – length reduction and nonlinear effect mitigation
  • Low photodarkening at high power – ensures long-term stability
  • Higher energy saturation threshold – increases energy per pulse

Applications

  • Pulsed lasers & amplifiers
  • Amplifier section of multi-stage high-power amplifiers
  • Lasers for marking
  • Low energy laser cleaning

DCF-YB-30/250EH

Optical fiber specifications

Optical
Cladding Absorption @ 915 nm (dB/m)
2.2 ± 0.3
Cladding Absorption @ 975 nm (nominal) (dB/m)
(6.8)
Core Numerical Aperture
0.061 ± 0.002
Cladding Numerical Aperture
Min. 0.45
Geometrical & Mechanical
Core Diameter (µm)
30.0 ± 2.0
Cladding Diameter (µm)
250 ± 5
Cladding geometry
Octogonal
Core/Cladding Concentricity Error (µm)
≤ 1.5
Coating Diameter (µm)
375 ± 20
Proof Test (kpsi)
<=100
Environmental
Storage Temperature (°C)
-40 to +85
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Double-clad Fibers

DCF-UN-30/250-070

Core Numerical Aperture
0.070 ± 0.005
Cladding Numerical Aperture
> 0.45
Background Loss @ 1200 nm (dB/km)
< 15.0
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