Datasheet

Components & Accessories

FUD-4127, SM780-HP Optical Fiber

Product image of FUD-4127, SM780-HP Optical Fiber

Coherent FUD-4127 fibers are optimized for applications in the 780–970 nm wavelength range. With low attenuation, precise mode field control, and robust coatings, these fibers provide reliable performance in specialty optical systems.

Features and Benefits

  • Low attenuation at 780 nm - Enhanced performance
  • UV cured dual acrylate coating - Durable and reliable
  • RoHS compliant

Applications

  • Specialty optical systems
  • High-precision sensors
  • Distributed feedback (DFB)
Parameter FUD-4127
Optical Specifications
Operating Wavelength 780–970 nm
Core NA 0.11
Mode Field Diameter (Gaussian) 5.2–6.0 µm @ 780 nm
Cutoff 680–750 nm
Core Attenuation 0–4.0 dB/km @ 780 nm
Geometrical & Mechanical Specifications
Cladding Diameter 124–126 µm
Coating Diameter 230–260 µm
Prooftest Level 200–220 kpsi