Double-Clad Thulium-Doped Fiber TDF-20/250-DC
Double-clad thulium-doped fiber uses optimized fabrication and high-performance glass. This active fiber serves 2 μm fiber lasers and amplifiers, offering high absorption and high optical conversion efficiency under 793 nm pumping. Applications include plastics processing, medical and research uses.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Operating wavelength | 1900-2100 nm |
| Fiber core Numerical aperture | 0.09±0.01 |
| Cladding Numerical Aperture | ≥0.46 |
| Cladding absorption [@793 nm] | 3.0±0.5 dB/m |
| Fiber Core Optical Loss [@860 nm] | ≤20.0 dB/km |
| Fiber Core Diameter | 20.0±1.5 μm |
| Cladding diameter | 250.0±5.0 μm |
| Coating Diameter | 390.0±10.0 μm |
| Fiber Core Cladding Concentricity | ≤2.0 μm |
| Coating Material | Low-refractive-index coating / Low index acrylate |
| Proof-Test Strength | ≥100 kpsi |
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