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1845年法拉第发现,光在媒质中的传播方式受外场影响.特别是当在光传播方向加上磁场后,入射到一块玻璃上的平面偏振光振动面发生旋转,这种效应称为法拉第效应.它反映了电磁波和光的内在联系,在早期揭示和认识光的本质上起着重要的历史作用.法拉第效应还有很多实际应用价值.比如,由于碳氢化合物有它自己的磁致旋转,因此可以利用法拉第效应来分析不同的碳氢化合物;在光谱学的研究中,可以用它来得
Faraday discovered in 1845 that the way in which light propagates through the medium is affected by the external field, especially when the magnetic field is applied in the direction of light propagation. The plane-polarized light incident on a piece of glass rotates. This effect is called the Faraday effect. It reflects the intrinsic relationship between electromagnetic waves and light and plays an important historical role in revealing and understanding the nature of light early on. The Faraday effect has many practical applications as well. For example, since hydrocarbons have their own magnetization rotation, Use the Faraday effect to analyze different hydrocarbons; in spectroscopy, you can use it to