Datasheet

Components & Accessories

LMA-EYDF-30P/250-HE, Large Mode Area Er/Yb-Doped Double Clad Optical Fiber

Product image of LMA-EYDF-30P/250-HE, Large Mode Area Er/Yb-Doped Double Clad Optical Fiber

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.

Features

  • Large Mode Area (LMA) design - Ensures excellent beam quality
  • NuCOAT fluoroacrylate coating - Superior environmental durability
  • High pump conversion efficiency - Optimized for high power operation
  • Proof tested to > 100 kpsi - Long-term reliability
  • RoHS compliant

Applications

  • High-power fiber amplifiers
  • Industrial laser systems
  • Medical laser systems
  • Defense laser systems
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)