87222 ⎘
Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags; Manufacture of glass fibres or filaments; Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments; Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing by expanding radially, e.g. by forcing a mandrel through or axial pressing a tube or rod
METHOD FOR PRODUCING A PREFORM FOR A HOLLOW-CORE FIBER
#2METHOD FOR FABRICATING A HOLLOW-CORE FIBER AND FOR FABRICATING A PREFORM FOR A HOLLOW-CORE FIBER, AND PREFORM PRECURSOR THEREFOR
#3Ultra high numerical aperture optical fibers
#4Optical Fiber Preform With Improved Air/Glass Interface Structure
#5Ultra high numerical aperture optical fibers
#6PROCESS FOR PRODUCING OPTICAL FIBER
#7Ultra high numerical aperture optical fibers
#8Ultra high numerical aperture optical fibers
#9Optical fiber preform with improved air/glass interface structure
#10Method of producing higher-purity glass element, high-purity glass element, and production method and device for glass tube