Figure 2. Diagram of chalcogenide glass preform manufacture using the moulding technique [10]

From

Microstructured Optical Fibers Made of Chalcogenide Glass for the Generation of Optical Functions

M. Ndiaye, N. M. Ndiaye, B. D Ngom

American Journal of Materials Science and Engineering. 2021, 9(1), 21-26 doi:10.12691/ajmse-9-1-4