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Fiber Optics

机译:光纤

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摘要

A successor to the humble copper-wire telephone line, fiber optics carry all manner of data around the world in the form of light. Specialized fiber optics are also used in lasers, medical imaging, and underground sensors that detect faint vibrations or monitor temperature and pressure.At the preform stage-when the fiber is still a large, dense cylinder, about 15 centimeters in diameter and many meters long-it's treated with vaporized chemicals that affect the level of refraction and thus the movement of light through the fiber. Germanium, for example, might be applied to the core to concentrate the signal; fluorine on the cladding redirects the signal to the core. Each type of fiber, depending on its use, requires a unique cocktail.
机译:谦逊铜线电话线的继任者,光纤以光的形式携带各种数据的各种数据。专用光纤也用于激光,医学成像和地下传感器,可检测微弱的振动或监测温度和压力。在预成型阶段 - 当纤维仍然是一个大的,致密的圆柱,直径约15厘米,长时间长 - 它用蒸发的化学物质处理,这些化学物质影响折射水平,从而通过纤维的运动。例如,锗可能适用于核心以集中信号;包层上的氟将信号重定向到核心。每种类型的纤维,根据其使用,需要独特的鸡尾酒。

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