Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the same

Substantially dry, silica-containing soot, fused silica and optical fiber soot preforms, apparatus, methods and burners for manufacturing same

Method for fabricating porous silica preform

Optical fiber, method for manufacturing same and optical transmission channel

Method for manufacturing a bar-shaped preform as well as a method for manufacturing optical fibres from such a bar-shaped preform

Optical fiber containing an alkali metal oxide and methods and apparatus for manufacturing same

Low loss optical fiber and method for fabricating an optical fiber preform

Multimode optical fibre having a refractive index profile, optical communication system using same and method for manufacturing such a fibre

Synthetic quartz glass member and method for producing the same

High rate deposition for the formation of high quality optical coatings

Cladding-pumped optical fiber and methods for fabricating

Method of manufacture of low water peak single mode optical fiber