Coherent Large Mode Area (LMA) Er/Yb co-doped fibers are designed for high-power amplifiers and lasers operating at 1550 nm. With a 30 µm core diameter and a 250 µm cladding diameter, these fibers ensure high pump conversion efficiency and excellent beam quality. The HE version offers enhanced performance under demanding conditions, making it ideal for industrial, medical, and defense applications. The proprietary NuCOAT fluoroacrylate coating provides environmental durability and long-term reliability.
Parameter | LMA-EYDF-30P/250-HE |
---|---|
Optical Specifications | |
Operating Wavelength | 1530 - 1625 nm |
Core NA | 0.09 |
First Cladding NA | ≥ 0.46 |
Cladding Attenuation | ≤ 30.0 dB/km @ 1095 nm |
Core Absorption | 100.0 ± 20.0 dB/m near 1530 nm |
Cladding Absorption | 6.00 ± 1.00 dB/m at 915 nm |
Geometrical & Mechanical Specifications | |
Cladding Diameter | 250.0 ± 8.0 μm |
Core Diameter | 30.0 ± 3.0 μm |
Coating Diameter | 350.0 ± 10.0 μm |
Core Clad Offset | ≤ 3.00 μm |
Coating Material | Low Index Acrylate |
Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |