The manufacturing process consists of major steps, including glass deposition, preform fabrication, and fiber drawing, shown schematically below: Each step applies specialized techniques to realize the stringent requirements of optical signal transmission over transcontinental. The manufacturing process consists of major steps, including glass deposition, preform fabrication, and fiber drawing, shown schematically below: Each step applies specialized techniques to realize the stringent requirements of optical signal transmission over transcontinental. Which are the six main parts of optical fiber? The manufacturing process consists of major steps, including glass deposition, preform fabrication, and fiber drawing, shown schematically below: Each step applies specialized techniques to realize the stringent requirements of optical signal. At the Core As you know, there are two main types of optical fiber: single-mode and multimode. Both types of fiber are composed of only two basic concentric glass structures: the core, which carries the light signals, and the cladding, which traps the light in the core (Fig. Single-mode fiber. The production of optical fiber is a precision-driven process that transforms raw materials like silicon tetrachloride into ultra-thin, high-performance fibers capable of transmitting terabits of data over thousands of kilometers. In one embodiment, a method for modifying a process for manufacturing multi-mode optical fiber includes measuring at least one characteristic of a multi-mode optical fiber. Multi-mode links can be used for data rates up to 800 Gbit/s.