Datasheet

Components & Accessories

LMA-YDF-25/250-VIII, Polarization-Maintaining Yb-Doped Double Clad Optical Fiber

Product image of LMA-YDF-25/250-VIII, Polarization-Maintaining Yb-Doped Double Clad Optical Fiber

Coherent Large Mode Area (LMA) polarization-maintaining Yb-doped fibers are designed for laser and amplifier systems requiring linearly polarized output. With a 25 µm core diameter and a 250 µm cladding diameter, the VIII version ensures high pump absorption and robust beam quality. PANDA-style stress rods enhance birefringence, ensuring reliable polarization maintenance. The NuCOAT fluoroacrylate coating provides superior environmental durability and long-term reliability, making these fibers suitable for industrial, medical, and defense applications.

Features

  • PANDA-style stress rods - Maintains polarization with enhanced birefringence
  • NuCOAT fluoroacrylate coating - Provides superior environmental durability
  • Optimized for high power applications - Ensures beam quality
  • Proof tested to > 100 kpsi - Guarantees long-term reliability
  • RoHS compliant

Applications

  • High-power CW and pulsed lasers
  • Precision sensing systems
  • LIDAR systems
  • Medical laser systems
Parameter LMA-YDF-25/250-VIII
Optical Specifications
Operating Wavelength 1060 - 1115 nm
Core NA 0.060 ± 0.010
Cladding Attenuation ≤ 15.0 dB/km @ 1095 nm
Cladding Absorption 4.80 dB/m near 975 nm
Cladding NA ≥ 0.46
Geometrical & Mechanical Specifications
Cladding Diameter 250.0 ± 10.0 μm
Core Diameter 25.0 ± 2.5 μm
Coating Diameter 400.0 ± 20.0 μm
Coating Material Low Index Acrylate
Prooftest Level ≥ 100 kpsi (0.7 GN/m²)