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测量了多孔硅的光反射谱，并进行了分析和讨论，得出了其能带展宽等特性。利用K－K关系，计算得出了多孔娃的折射率n等光学常数，并结合单晶硅的相应光学常数进行了比较和分析．
The light reflectance spectra of porous silicon were measured and analyzed and discussed. The band broadening characteristics were obtained. Using the K-K relationship, the optical constants such as refractive index n of the porous silicon were calculated and compared with the corresponding optical constants of monocrystalline silicon.