FUD-3793 MM-GDF-25
The Coherent/Nufern passive series multimode double-clad fiber is an ideal fiber for all-fiber integrated fiber lasers and amplifiers. This series of fibers is based on a 25um core diameter, 400um cladding diameter and low numerical aperture (0.11) design, used to match the active 25/400 large mode area thulium-doped fiber, specially designed for the long-wavelength eye-safe window of 1900-2100nm.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Operating Wavelength (Normal Conditions) | 1900-2100 |
| Cladding Numerical Aperture (5%) | ≥0.46 |
| Cladding Loss @ near 1100nm | ≤18dB/m |
| Strength Test Level (Radius Bend Method) | ≥100kpsi (0.7GN/m^2) |
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