| 利用光子晶体测量透明液体折射率 |
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| 引用本文： | 李斌斌,王爱军.利用光子晶体测量透明液体折射率[J].物理实验,2010,30(1). |
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| 作者姓名： | 李斌斌 王爱军 |
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| 作者单位： | 1. 中国石油大学(北京)化学科学与工程学院,北京,102249
2. 中国石油大学(北京)数理系,北京,102249 |
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| 摘 要： | 设计了用反Opal结构光子晶体测量透明液体折射率的实验.根据布拉格公式推导了用反Opal光子晶体测量透明液体折射率的公式.利用紫外-可见分光光度计分别测得光子晶体处于空气和透明液体中的透射谱,由透射谱分别确定光子晶体处于2种介质中的禁带中心波长,将中心波长代入测量公式即可得到透明液体折射率.实验测量了水和甘油的折射率,得到了与公认值相吻合的结果.
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| 关 键 词： | 折射率 反Opal光子品体 透射谱 禁带 |
Refractive index of transparent liquid determined by photonic crystals |
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| LI Bin-bin,WANG Ai-jun.Refractive index of transparent liquid determined by photonic crystals[J].Physics Experimentation,2010,30(1). |
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| Authors: | LI Bin-bin WANG Ai-jun |
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| Institution: | LI Bin-bina,WANG Ai-junb(a.Chemical Science , Engineering Faculty,b.Department of Mathematics , Physics,China University of Petroleum-Beijing,Beijing 102249,China) |
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| Abstract: | A method to measure the refractive index of transparent liquid using an inverse opal photonic crystal is presented.The refractive indexes of the water and the glycerol are measured by this method and the results are in accordance with the widely accepted values. |
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| Keywords: | refractive index inverse opal photonic crystal transmission spectrum band gaps |
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