ER35-7-PM
- Core Numerical Aperture
- Typ 0.22
- Background Loss @1200 nm (dB/km)
- ≤ 10
- Birefringence (x10E-04)
- ≥ 1.4
ER35-7 at a glance
Key specifications
-
35 ± 5
Core Absorption @ 1530 nm (nominal) (dB/m)
High absorption.
-
6.5 ± 0.5
MFD @ 1550nm (µm)
Width of the light distribution guided in the core.
-
Typ. 0.22
Core Numerical Aperture
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.
-
< 20.0
Background Loss @ 1200 nm (dB/km)
Low background losses.
-
5.50
Core Diameter (µm)
Diameter of the light-guiding core.
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
- Telecommunications
- Scientific
ER35-7
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 |
ER35-7
Get a quote
You want to know more about this product? Simply provide us with your information and requirements and we'll contact you as soon as possible.