ER35-7

Description

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.

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
  • Scientific
Spécifications
Optical
Core Absorption @ 1530 nm (nominal) (dB/m)
35 ± 5
Core Numerical Aperture
0.22
Background Loss @ 1200 nm (dB/m)
< 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

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