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DCF-YB-20/128E

Ytterbium-doped fiber for pulsed lasers

  • Pulsed lasers & amplifiers
  • Power amplification section of multi-stage high-power amplifiers
  • Lasers for marking & engraving
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DCF-YB-20/128E at a glance

Key specifications

3.0 ± 0.3
Cladding Absorption @ 915 nm (dB/m)
(12)
Cladding Absorption @ 975 nm (nominal) (dB/m)
0.080 ± 0.005
Core Numerical Aperture
Min 0.46
Cladding Numerical Aperture
<= 50
Background Loss @1100 nm (dB/km)
20.0 ± 1.0
Core Diameter (µm)
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Ytterbium-doped fiber for pulsed lasers

DCF-YB-20/128E

Description

Specifications
Specifications

The DCF-YB-20/128E shows excellent photodarkening resistance performance ensuring high reliability and long-term stability. This fiber shows high absorption and excellent beam quality and is ideal for high-power pulsed fiber lasers and amplifiers used for industrial applications.

Features & Benefits

  • High effective pump absorption for length reduction and nonlinear effect mitigation
  • Low photodarkening at high power – ensures long-term stability
  • Batch-to-batch consistency for high-volume production

Applications

  • Pulsed lasers & amplifiers
  • Power amplification section of multi-stage high-power amplifiers
  • Lasers for marking & engraving

DCF-YB-20/128E

Optical fiber specifications

Optical
Cladding Absorption @ 915 nm (dB/m)
3.0 ± 0.3
Cladding Absorption @ 975 nm (nominal) (dB/m)
(12)
Core Numerical Aperture
0.080 ± 0.005
Cladding Numerical Aperture
Min 0.46
Background Loss @1100 nm (dB/km)
<= 50
(dB/km)
<= 50
Geometrical & Mechanical
Core Diameter (µm)
20.0 ± 1.0
Cladding Diameter (µm)
128 ± 3
Core/Cladding Concentricity Error (µm)
≤ 1.0
Coating Diameter (µm)
260 ± 20
Proof test (kpsi)
>= 100
Cladding geometry
Octagonal
Environmental
Storage Temperature (°C)
-40 to +85
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