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一、光纤维光导玻璃纤维简单地说是由一根芯和一层包层构成的。芯玻璃的折射率比包层璃玻的折射率高。通过光纤维的激光束,由于玻璃介面的全反射而抑制了有可能从侧面射出的这一光束。(这已从固体激光器得到证明)
First, optical fiber Optical glass fiber is simply composed of a core and a layer of cladding. The refractive index of the core glass is higher than that of the cladded glass. The laser beam passing through the optical fiber suppresses the light beam that may be emitted from the side due to the total reflection of the glass interface. (This has been proven from solid-state lasers)