PCVD low water peak fiber
LLWL (low-low water level)
low-low water level switch
conventional single-mode fiber
cutoff wavlength of single-mode fiber
dispersion-flattened multiple-clad single-mode fiber
dispersion-flattened single-mode fiber
dispersion-shifted dual shape core single-mode fiber
dispersion-shifted single mode fiber
dispersion-unshifted single mode fiber
double clad single-mode fiber
double layer core dispersion-shifted single-mode fiber
double-clad single-mode fiber
doubly cladding single-mode fiber
erbium-doped single-mode fiber
germanium-doped silica core single mode fiber