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Development and performance of fully fluorine-doped single-mode fibers
1988 / IEEE
This item was taken from the IEEE Periodical ' Development and performance of fully fluorine-doped single-mode fibers ' Fluorine doping has been used to obtain vapor-phase-axial-deposited (VAD) single-mode fibers with a loss less than 0.20 dB/km at 1.55 mu m. A nonshifted design in which fluorine dopant was added mainly to the cladding and only slightly to the pure silica core part was fabricated with high yield. A similar approach has been successfully applied to dispersion-shifted fibers with a dual-shape-core index profile with encouraging results for reducing the transmission loss down to 0.20 dB/km.<
Dual-shape-core Index Profile
Sio/sub 2/ Core
Optical Workshop Techniques
Photonics And Electrooptics
Communication, Networking And Broadcast Technologies