optical band gap 光禁带 ; 光学能隙 ; 光学禁带测试 ; 带隙
The optical band gap 光学带隙
wide optical band gap 较宽光学带隙
graded optical band gap 渐变光学带隙
apparent optical band gap 表观光学带隙
blue-shift of optical band gap 光学带隙蓝移
optical forbidden band gap 光学禁带宽度
Due to the increase in the fraction of rutile phase, the optical band gap value decreases from ~3.35 eV to ~3.29 eV.
金红石相含量的增加造成了多晶TiO_2薄膜结构的无序,使光学带隙值从～3.35 eV降低到～3.29 eV。
参考来源 - 多晶二氧化钛薄膜的制备、结构和光学性质Due to big carrier concentration and optical band gap, transparent conductive oxide thin films exhibit outstanding optical and electrical properties, such as low resistively and high transmittance in the visible range etc.
透明导电氧化物薄膜材料具有大的载流子浓度和光学禁带宽度因而表现出优良的光电特性,如:低的电阻率和高的可见光透过率等。
参考来源 - 制备ITO薄膜的工艺研究Its optical band gap has a close relationship with the structure, particularly the content of the sp~3 hybrid bonds and the C = C bonds.
薄膜光学带隙与薄膜的结构有很大关系,特别是与薄膜中sp~3杂化键以及C=C双键含量具有直接关系。
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 photonic band gap materials have wide potential applications in fabricating new type of optical devices.
光子晶体可以用来制备全新原理、高性能的光学器件，具有广阔的应用前景。
Meanwhile the composite exhibits the optical features of a semiconductor with direct band gap.
这种复合结构体系具有直接带隙半导体的光学特性。
The band gap, linear refractive indices and absorption coefficients fundamental optical constants of the film were obtained through optical transmittance measurements.
用光学透射测量方法得到了该薄膜材料的基本光学常数（带隙、线性折射率、线性吸收系数）。
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