ER50-7 at a glance
Key specifications
-
50 ± 5
Core Absorption @ 1530 nm (dB/m)
High absorption.
-
6.5 ± 0.5
MFD @ 1550nm (μm)
Width of the light distribution guided in the core.
-
Typ 0.21
Numerical Aperture - Core
Light-acceptance angle of the core; with the core size, it sets how many modes are guided.
-
1375 ± 125
Cutoff Wavelength (nm)
Wavelength above which the core guides a single mode.
-
<= 10
Background Loss @1200 nm (dB/km)
Low background losses.
-
125 ± 2
Cladding diameter (μm)
Low splice loss.
Description
This 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
ER50-7
Specifications
| Optical | |
|---|---|
| Background Loss @1200 nm (dB/km) | <= 10 |
| Core Absorption @ 1530 nm (dB/m) | 50 ± 5 |
| Cutoff Wavelength (nm) | 1375 ± 125 |
| MFD @ 1550nm (μm) | 6.5 ± 0.5 |
| Numerical Aperture - Core | Typ 0.21 |
| Geometrical & Mechanical | |
| Cladding diameter (μm) | 125 ± 2 |
| Coating Diameter (μm) | 245 ± 10 |
| Core/Cladding Concentricity Error (μm) | <= 1 |
| Proof Test (kpsi) | >= 100 |
| Environmental | |
| Storage Temperature (°C) | -40 to +85 |
ER50-7