This phosphosilicate Yb-doped double-clad fiber features high and flattened pump absorption with photodarkening-free performance. This fiber is the ideal solution for a wide range of demanding high peak power pulsed fiber laser and amplifier applications in the industrial and medical markets
Ytterbium-Doped Fiber for Pulsed Lasers
DCF-YB-20/128P-08-FA-G2
Description
Features & Benefits
- Large core diameter with high pump absorption – allows a shorter fiber length for a more compact and less expensive design while reducing non-linear effects
- Photodarkening-free – ensures stable long-term operation
- Wide, flat absorption from 910 nm to 970 nm – reduces pump cooling and allows 940-960 nm pumping
- Batch-to-batch consistency in beam quality performance
Applications
- High-energy / high peak power pulsed lasers & amplifiers for MOPA configuration
- Laser marking and engraving
- Medical
Optical fiber specifications
Optical
Background loss @1200 nm (dB/km)
<= 100
Cladding Absorption @ 915 nm (dB/m)
5.0 ± 0.5
Cladding Absorption @ 974 nm (dB/m)
Typ. 30
Core Numerical Aperture
0.08 ± 0.01
Cladding Numerical Aperture
Min 0.45
Geometrical & Mechanical
Core Diameter (µm)
20 ± 2
Cladding Diameter (µm)
128 ± 3
Core/Cladding Concentricity Error (µm)
< 1.5
Coating Diameter (µm)
260 ± 20
Proof Test (kpsi)
>= 100
Cladding Geometry
Octagonal
Environmental
Storage Temperature (°C)
-40 to +85
