P427.1 2001021489CCD摄像技术在大气光学传输特性监测研究上的应用=Application of CCD cameras to monitoringand research of the atmospheric optical transmissioncharacteristics[刊,中]/谢兴生,陶善昌,刘亦风(中国科技大学大气...P427.1 2001021489CCD摄像技术在大气光学传输特性监测研究上的应用=Application of CCD cameras to monitoringand research of the atmospheric optical transmissioncharacteristics[刊,中]/谢兴生,陶善昌,刘亦风(中国科技大学大气光学遥感实验室.安徽,合肥(230027))//光学技术.—2000,26(5).-403-405,409介绍以CCD摄像机为光学图像传感系统,通过定量量测景物亮度的大气传输衰减,来测定白天大气的光学传输特性的一种光学图像测量方法。展开更多
The tunable micro-cavity based on one-dimensional(1D) photonic crystal doped by KTP is designed.The optical transmission properties in the doped one-dimensional defect photonic crystals are analyzed using transfer mat...The tunable micro-cavity based on one-dimensional(1D) photonic crystal doped by KTP is designed.The optical transmission properties in the doped one-dimensional defect photonic crystals are analyzed using transfer matrix method(TMM).According to the electro-optic effect,the refractive index ellipsoid equation is established with the applied alternating current at both coordinate axes,and the characteristics of temperature-optics and modulation are studied.Numerical calculations and experimental results show that the tuning range is ～40 nm.展开更多
利用溶剂引导的无序-有序相转变的方法制备了二噻吩并[3,2-b:2',3'-d]噻吩-2,5-二羧酸(A)和二噻吩并[2,3-b:3',2'-d]噻吩-2,5-二羧酸(B)的自组织薄膜.利用原子力显微镜(atomic force microscopy,AFM)研究了两种化合物...利用溶剂引导的无序-有序相转变的方法制备了二噻吩并[3,2-b:2',3'-d]噻吩-2,5-二羧酸(A)和二噻吩并[2,3-b:3',2'-d]噻吩-2,5-二羧酸(B)的自组织薄膜.利用原子力显微镜(atomic force microscopy,AFM)研究了两种化合物分子在基底上的排列方式,发现化合物A分子在云母基底上以一定角度取向排列,而化合物B单分子层在云母基底上以"平卧"式排列.结合紫外可见(ultra violet-visible,UV-Vis)吸收光谱、荧光光谱和导电原子力显微镜(conductive atomic force microscopy,C-AFM)对化合物A和化合物B薄膜的光学性质以及微区电子传输行为进行了研究.结果表明,形成J-聚集体的化合物A与化合物B相比,其吸收峰值和发光峰位都发生较大红移,并且化合物A比化合物B的微区电导大三个数量级以上,在基底上的不同聚集结构和取向是导致两种分子微区电导巨大差异的主要原因.展开更多
文摘P427.1 2001021489CCD摄像技术在大气光学传输特性监测研究上的应用=Application of CCD cameras to monitoringand research of the atmospheric optical transmissioncharacteristics[刊,中]/谢兴生,陶善昌,刘亦风(中国科技大学大气光学遥感实验室.安徽,合肥(230027))//光学技术.—2000,26(5).-403-405,409介绍以CCD摄像机为光学图像传感系统,通过定量量测景物亮度的大气传输衰减,来测定白天大气的光学传输特性的一种光学图像测量方法。
基金supported by the National Natural Science Foundation of China(No.60877047)the Natural Science Fund of Hebei Province(Nos.F2008000873 and F2010002002)the Special Research Fund for the Doctoral Program of Ministry of Education of China(No.20070216004)
文摘The tunable micro-cavity based on one-dimensional(1D) photonic crystal doped by KTP is designed.The optical transmission properties in the doped one-dimensional defect photonic crystals are analyzed using transfer matrix method(TMM).According to the electro-optic effect,the refractive index ellipsoid equation is established with the applied alternating current at both coordinate axes,and the characteristics of temperature-optics and modulation are studied.Numerical calculations and experimental results show that the tuning range is ～40 nm.
文摘利用溶剂引导的无序-有序相转变的方法制备了二噻吩并[3,2-b:2',3'-d]噻吩-2,5-二羧酸(A)和二噻吩并[2,3-b:3',2'-d]噻吩-2,5-二羧酸(B)的自组织薄膜.利用原子力显微镜(atomic force microscopy,AFM)研究了两种化合物分子在基底上的排列方式,发现化合物A分子在云母基底上以一定角度取向排列,而化合物B单分子层在云母基底上以"平卧"式排列.结合紫外可见(ultra violet-visible,UV-Vis)吸收光谱、荧光光谱和导电原子力显微镜(conductive atomic force microscopy,C-AFM)对化合物A和化合物B薄膜的光学性质以及微区电子传输行为进行了研究.结果表明,形成J-聚集体的化合物A与化合物B相比,其吸收峰值和发光峰位都发生较大红移,并且化合物A比化合物B的微区电导大三个数量级以上,在基底上的不同聚集结构和取向是导致两种分子微区电导巨大差异的主要原因.
