The ER35-7 Er-doped single-clad fiber features a high absorption, which is ideal for the design of multi-stage erbium amplifiers with minimal nonlinear effects. Its high quantum efficiency helps minimize the pump power requirements, making this fiber the recommended choice for fiber lasers in a broad range of applications.
Erbium-doped single-clad optical fiber
ER35-7
Description
Features & Benefits
- High absorption
- Low background losses
- High doping concentration – provides highly efficient energy transfer, minimizing pump power requirements
- Low splice loss
Applications
- Pre-amp stage of erbium-doped fiber lasers & amplifiers
- Sensing & spectroscopy
- Telecommunications
- Scientific
Optical fiber specifications
Optical
Core Absorption @ 1530 nm (nominal) (dB/m)
35 ± 5
Core Numerical Aperture
0.22
Background Loss @ 1200 nm (dB/km)
< 20.0
Geometrical & Mechanical
Core Diameter (µm)
5.50
Cladding Diameter (µm)
125 ± 2
Core/Cladding Concentricity Error (µm)
< 1.0
Coating Diameter (µm)
245 ± 10
