Datasheet

Components & Accessories

BD-G25/400-11FA, Passive Double Clad Optical Fiber

Product image of BD-G25/400-11FA, Passive Double Clad Optical Fiber

Coherent passive double clad optical fibers are specifically designed for high power fiber laser and amplifier applications. Featuring a 25 µm core diameter and a 400 µm cladding diameter, these fibers offer high pump absorption, excellent power handling capabilities, and reliable performance. The proprietary NuCOAT fluoroacrylate coating provides durability and longevity under extreme environmental conditions, making these fibers suitable for industrial, medical, and military applications.

Features

  • High power handling - Designed for demanding fiber laser applications
  • NuCOAT fluoroacrylate coating - Enhanced environmental durability
  • Large cladding diameter - Efficient pump absorption and excellent thermal management
  • RoHS compliant

Applications

  • High power fiber lasers
  • Material processing
  • Medical laser systems
  • Military laser systems
Parameter BD-G25/400-11FA
Optical Specifications
Operating Wavelength 800 - 2100 nm
Core NA 0.110 ± 0.010
First Cladding NA ≥ 0.460
Cladding Attenuation ≤ 15.0 dB/km @ 1095 nm
Geometrical & Mechanical Specifications
Cladding Diameter 400.0 ± 5.0 μm
Core Diameter 25.0 ± 1.5 μm
Coating Diameter 550.0 ± 15.0 μm
Core Clad Offset ≤ 2.00 μm
Coating Material Low Index Acrylate
Prooftest Level ≥ 100 kpsi (0.7 GN/m²)
Clad Non-Circularity ≤ 0.5 %