Datasheet

Components & Accessories

PLMA-YDF-25/250-M, Matched Yb-Doped Double Clad Optical Fiber

Product image of PLMA-YDF-25/250-M, Matched Yb-Doped Double Clad Optical Fiber

Coherent's PLMA-YDF-25/250-M fibers are optimized for laser and amplifier systems requiring low splice loss and superior beam quality. With a 25 µm core diameter and a 250 µm cladding diameter, the M version ensures seamless integration with active fibers, delivering high pump absorption and robust performance. The NuCOAT fluoroacrylate coating enhances environmental durability, making these fibers ideal for industrial, medical, and defense applications.

Features

  • Matched (M) design - Ensures low splice loss
  • NuCOAT fluoroacrylate coating - Provides superior environmental durability
  • 25 µm core and 250 µm cladding - Optimized for high-power applications
  • Proof tested to > 100 kpsi - Guarantees long-term reliability
  • RoHS compliant

Applications

  • High-power CW and pulsed lasers
  • Material processing
  • Medical laser systems
  • Defense applications
Parameter PLMA-YDF-25/250-M
Optical Specifications
Operating Wavelength 1060 - 1115 nm
Core NA 0.065 ± 0.005
First Cladding NA ≥ 0.46
Cladding Attenuation ≤ 15.0 dB/km @ 1095 nm
Cladding Absorption 5.25 dB/m near 975 nm
Birefringence nominal 2 x 10⁻⁴
Geometrical & Mechanical Specifications
Cladding Diameter 255.0 ± 5.0 μm
Core Diameter 25.0 ± 1.5 μm
Coating Diameter 395.0 ± 15.0 μm
Core Clad Offset ≤ 2.00 μm
Coating Material NuCOAT fluoracrylate
Prooftest Level ≥ 100 kpsi (0.7 GN/m²)