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词汇 Optical path
分类 英语词汇 英语翻译词典
释义

Optical path

英语百科

Optical path

The path that light takes in traversing an optical is often called the optical path. The physical length of an optical device can be reduced to less than the length of the optical path by using folded optics. The optical path length as defined in optics is the length of the path multiplied by the index of refraction of the medium.

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