Abstract
Optical preforms and fibres manufacturing face numerous challenges with the demand for novel fibre designs with complex geometries using single or multiple materials. The multi-step approach currently followed to produce complex structures can endanger the mechanical integrity of the preform and add optical losses to the fibre. Often these complex and multi-step fabrication processes are time-consuming and yields are compromised. A novel fabrication process that has been gaining attractiveness in industries is the additive manufacturing (3D printing). Despite some progresses have been done with 3-D printing of glas, the work was demonstrated with a low melting temperature glass, such as soda lime, which was thermal fused before being extruded by a nozzle in heat building chamber [1]. An alternative approach, which has been used for 3-D printing glass is based in a feeding system of a quartz rod that is fused by a laser beam [2, 3]
© 2019 IEEE
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