Datasheet

Components & Accessories

PLMA-YDF-25/400-VIII, Polarization-Maintaining Yb-Doped Double Clad Optical Fiber

Product image of PLMA-YDF-25/400-VIII, Polarization-Maintaining Yb-Doped Double Clad Optical Fiber

Coherent's PLMA-YDF-25/400-VIII fibers are engineered for high-power laser and amplifier systems requiring linearly polarized output. Featuring a 25 µm core diameter and a 400 µm cladding diameter, these fibers ensure high pump absorption and robust beam quality. The 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 ideal for industrial, medical, and defense applications.

Features

  • PANDA-style stress rods - Ensures enhanced birefringence and polarization stability
  • 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 PLMA-YDF-25/400-VIII
Optical Specifications
Operating Wavelength 1060 - 1115 nm
Core NA 0.060 ± 0.010
First Cladding NA ≥ 0.46
Cladding Absorption 2.40 dB/m near 975 nm
Birefringence nominal 3.5 x 10⁻⁴
Geometrical & Mechanical Specifications
Cladding Diameter 400.0 ± 15.0 μm
Core Diameter 25.0 ± 2.5 μm
Coating Diameter 550.0 ± 20.0 μm
Coating Material Low Index Acrylate
Prooftest Level ≥ 100 kpsi (0.7 GN/m²)