Connector Return Loss

Chia sẻ: Mai Phuong | Ngày: | Loại File: PDF | Số trang:3

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Connector Return Loss

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Fiber optic connectors are produced by polishing their endfaces to create a smooth domed shape. If the shape or endface geometry is precisely controlled, the result will be physical contact between fiber cores when two connectors are mated together. The polishing process creates a very small damaged layer at the tip of the fiber that has a higher index of refraction (index layer) than the glass before the damaged layer. Since reflections in optical fiber are caused by changes in index of refraction, it is the index layer that causes the return loss associated with a mated pair of connectors....

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