Then, a secondary, thicker coating is applied through a separate die. Gravity pulls the material downward, and a precision machine, known as a drawing tower, pulls the strand out at a controlled speed.
How UV Curing Solidifies the Fiber Optic Coating
At the top, the preform melts, and the molten glass begins to soften. A precise flame heats the area where the gases meet, causing them to deposit microscopic particles of glass onto the inside of the tube.
Doping for Refraction To control how light travels through the fiber, specific elements are introduced during the deposition process. The final step is curing, where the coated fiber is passed through UV ovens to solidify the coating completely.
How UV Curing Completes and Solidifies the Fiber Coating
This is the same fundamental material found in common sand, but the purity and precision required are extraordinary. Over time, these layers build up to form a solid, preheated glass tube that will eventually become the fiber.
More About How fiber optic is made
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