The covering material that encases the core of an optical fiber. the cladding material usually has a lower index of refraction than the core material and may be either glass or plastic.

一种包装光纤芯的保护材料。保护材料的折射率通常比光纤芯的折射率低，它一般是玻璃或塑料。

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Fluorogallate glass is a favorable kind of material for optical fiber lasers with transmitting infrared light at longer wavelength and lower phonon energy.

含镓氟化物玻璃具有较其它氟化物玻璃更宽的红外透过范围和更低的声子能量，显示出其是一种优质的激光基质材料。

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A substrate plate of plastic material instead of glass for the manufacture of a metal mold for the production of optical registration carriers of plastic material.

塑性材料的基片替代了玻璃基片用于制造一种金属模具以生产塑性材料的盘状光学存储载体。

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