Datasheet

Components & Accessories

FUD-4295, PM1550-GDF Optical Fiber

Product image of FUD-4295, PM1550-GDF Optical Fiber

Coherent FUD-4295 fibers are polarization-maintaining fibers optimized for distributed feedback (DFB) and Bragg grating applications in the 1550–1625 nm wavelength range. These fibers feature high birefringence, low attenuation, and robust coatings for consistent performance in high-power systems.

Features and Benefits

  • High birefringence - Ensures polarization stability
  • Low attenuation at 1550 nm - Optimized for high-power applications
  • UV cured dual acrylate coating - Provides robust protection
  • RoHS compliant

Applications

  • Distributed feedback (DFB)
  • Bragg gratings
  • Polarization-maintaining systems
Parameter FUD-4295
Optical Specifications
Operating Wavelength 1550–1625 nm
Core NA 0.15
Mode Field Diameter (Gaussian) 11.5–12.5 µm @ 1550 nm
Cutoff 1450–1520 nm
Birefringence 0.00035
Geometrical & Mechanical Specifications
Cladding Diameter 124–126 µm
Coating Diameter 230–260 µm
Prooftest Level 100–120 kpsi