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ER35-7

Erbium-Doped Single-Clad Optical Fiber

  • Pre-amp stage of erbium-doped fiber lasers & amplifiers
  • Sensing & spectroscopy
  • Telecommunications
  • Scientific
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ER35-7 at a glance

Key specifications

35 ± 5
Core Absorption @ 1530 nm (nominal) (dB/m)
Typ. 0.22
Core Numerical Aperture
< 20.0
Background Loss @ 1200 nm (dB/km)
1375 ± 125
Cutoff Wavelength (nm)
6.5 ± 0.5
MFD @ 1550nm (µm)
5.50
Core Diameter (µm)
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Erbium-Doped Single-Clad Optical Fiber

ER35-7

Description

Specifications
Specifications

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
  • Telecommunications
  • Scientific

ER35-7

Optical fiber specifications

Optical
Core Absorption @ 1530 nm (nominal) (dB/m)
35 ± 5
Core Numerical Aperture
Typ. 0.22
Background Loss @ 1200 nm (dB/km)
< 20.0
Cutoff Wavelength (nm)
1375 ± 125
MFD @ 1550nm (µm)
6.5 ± 0.5
Geometrical & Mechanical
Core Diameter (µm)
5.50
Cladding Diameter (µm)
125 ± 2
Core/Cladding Concentricity Error (µm)
≤ 1.0
Coating Diameter (µm)
245 ± 10
Environmental
Storage Temperature (°C)
-40 to +85
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PM Fibers

ER35-7-PM

Core Numerical Aperture
Typ 0.22
Background Loss @1200 nm (dB/km)
≤ 10
Birefringence (x10E-04)
≥ 1.4
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