The UV-VIS spectrum shows that the transmission ratio of the DLC films reaches 98% in the visible light range, the films have strong absorption in the ultraviolet bands, and their optical band gaps vary in the range of 2.328～2.82eV.
薄膜的光学带隙在2.328～2.82eV范围。
参考来源 - 高光洁度类金刚石碳膜的制备与性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The optical band gaps of the grown thin films declined and dark electrical conductivity increased with increasing substrate temperature, respectively.
实验所得薄膜的光学带隙和暗电导也随衬底温度升高而分别降低和升高。
When these three-dimensionally ordered macroporous materials have pore dimensions comparable to the wavelength of visible light, they are of interest as photonic band gaps and optical stop-bands.
当这些三维的有序大孔材料具有孔维度和可见光的波长相当时，它们就可以作为光子带隙和带阻。
Photonic crystals were periodic optical structures that were capable of generating photonic band gaps, analogous to the way of electronic band gaps generated by periodic atomic structure.
光子晶体是周期性介电结构，它能象周期性原子结构中的电子禁带一样，产生光子禁带。
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