Datasheet

Components & Accessories

GF1B, Photosensitive Optical Fiber

Product image of GF1B, Photosensitive Optical Fiber

Coherent GF1B fibers are high-performance photosensitive fibers designed for WDM and specialty optical applications. These fibers offer enhanced photosensitivity, low splice loss, and tight geometrical tolerances for reliable and efficient grating-writing processes.

Features and Benefits

  • Enhanced photosensitivity - Shorter grating writing time
  • Mode-matched to transmission fibers - Low splice loss
  • Tightly controlled specifications - Excellent uniformity
  • RoHS compliant

Applications

  • WDM
  • Gain flattening filters
  • Dispersion compensators
  • Pump stabilizers
Parameter GF1B
Optical Specifications
Operating Wavelength 1500–1600 nm
Core NA 0.13
Mode Field Diameter (Gaussian) 8.8–9.8 µm @ 1550 nm
Cutoff 1185–1335 nm
Geometrical & Mechanical Specifications
Cladding Diameter 123.5–126.5 µm
Coating Diameter 230–270 µm
Prooftest Level ≥ 100 kpsi (0.7 GN/m²)