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band gap

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以下为句子列表:
英文: Photonic band gap (PBG) crystals endow people the power to control and manipulate photons, but fabrication of photonic crystals, especially those that work at the near-infrared and visible wavelength is a hard work, requiring high-quality materials.

中文: 光子带隙晶体使人们可以有效地控制和操纵光子,但是构建光子晶体,尤其是近红外及可见光区域的光子晶体是一个困难的工作,它对材料提出了很高的要求。        更详细...
英文: The photonic band gap (PBG) property of a one-dimensional photonic crystal with a defect layer under pressure is studied, accordingly an improved model of pressure sensor is described.

中文: 摘要通过研究带缺陷的一维光子晶体受压力后光带隙性能的变化,提出了改进型光子晶体压力传感器的理论模型。        更详细...
英文: The photonic band gap of 1-D photonic crystals with graded single refractive index layer is investigated using the method of the characteristic matrix.

中文: 摘要利用特征矩阵方法研究了一类周期厚度变化的-维光子晶体的能带特性。        更详细...
英文: Two-dimensional photonic crystals with heterostructure is proposed. Its band gap was calculated by the finite difference time domain method. The numerical analysis showed that the band gap is enlarged.

中文: 摘要提出异质结构的二维光子晶体模型,用时域有限差分法计算其带隙,数值计算结果表明,其带隙宽度变大。        更详细...
英文: Because the band gap is very narrow in visible light band, we have to pile up several stacks of low and high index film systems with the finalstructure of ( HL) ( HL) ( H L ) H, which gets good effects in practice.

中文: 由于在可见光波段,禁带比较窄,为获得一个较宽的禁带,我们采用几个膜堆迭加的结构,即结构为(H_L_)~(H_L_)~(H_ L_ )~H的膜系,并取得较好的效果。        更详细...
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