Attenuating fibers Erbium Doped fibers Double Clad fibers
ATN General EDF General Erbium/Ytterbium DCOF
  EMP 980 High Power Erbium doped
  Erbium/Ytterbium DCOF Ytterbium double clad optical fiber
  HCO 4000  
  High Flatness  
  High Power Erbium doped
EDF Er 25-05 PM  



Infrared fibers UV Sensitive fibers INO Specialty Optical Fiber
Infrared IRT General UVS General High Attenuation Fibers with CMS
Infrared IRT-SU-50-01   Multimode High Attenuation Fibers
Infrared IRT-SE-06-01   Photosensitive Fibers
    Double Clad Rare-Earth Doped Fibers (Er, Yb, Er/Yb, Nd) and Relay Fibers
    Single Clad Rare-Earth Doped Fibers
            Erbium
            Ytterbium
            Erbium-Ytterbium
            Tm, Tm-Ho, Sm, Nd, Tb, Yb
    Single Clad Singlemode Fibers
    Single Clad Multimode Fibers