Hollow-core photonic bandgap fibers and methods of manufacturing the same

ERN Fokoua, F Poletti, DJ Richardson, Y Chen… - US Patent …, 2021 - Google Patents
A method of fabricating a hollow-core photonic-bandgap fiber, comprising the steps of:
providing a stack of capillaries, wherein the stack has a hollow core and the capillaries at a …

Methods for producing a hollow-core fiber and for producing a preform for a hollow-core fiber

M Rosenberger, M Hünermann, M Trommer… - US Patent …, 2024 - Google Patents
Methods are known for producing an anti-resonant hollow-core fiber which has a hollow
core extending along a fiber longitudinal axis and an inner jacket region that surrounds the …

Method and device for manufacturing a hollow-core optical fibre

F Benabid, F Gerome, F Armani… - US Patent App. 17 …, 2022 - Google Patents
A method for manufacturing an optical fibre, in which a preform is inserted into a furnace; the
preform is drawn via an outlet of the furnace; and the drawn preform has a working area …