DCF-YB-30/250EH

Description

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
Spécifications
Optical
Cladding Absorption @ 915 nm (dB/m)
2.1 ± 0.3
Cladding Absorption @ 975 nm (nominal) (dB/m)
(6.8)
Core Numerical Aperture
0.062 ± 0.005
Cladding Numerical Aperture
> 0.45
Geometrical & Mechanical
Core Diameter (µm)
30.0 ± 2.0
Cladding Diameter (µm)
250 ± 5
Core/Cladding Concentricity Error (µm)
≤ 1.5
Coating Diameter (µm)
375 ± 20

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