From the moment your morning video call stabilizes to the instant a global financial transaction clears, a slender strand of glass is working behind the scenes. A precise flame heats the area where the gases meet, causing them to deposit microscopic particles of glass onto the inside of the tube.
How Fiber Optic Is Made Step By Step
This is known as doping. Conversely, elements like fluorine can be added to the cladding, the outer layer, to lower its refractive index.
This buffered fiber, often called "bare fiber," is now strong enough to be handled during cable assembly. Over time, these layers build up to form a solid, preheated glass tube that will eventually become the fiber.
How Fiber Optic Is Made Step By Step: From Raw Materials to Buffered Fiber
Then, a secondary, thicker coating is applied through a separate die. First, a primary coating of acrylate polymer is applied in a liquid bath, which hardens quickly to provide initial flexibility and protection.
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