O437 99042461研究分子非线性光学特性的新技术—超瑞利散射技术=A newly developed hyper—Rayleigh scattering(HRS)technique for the study of the nonlinearoptical properties of molecules[刊,中]/汪昕,崔一平(东南大学分子与生...O437 99042461研究分子非线性光学特性的新技术—超瑞利散射技术=A newly developed hyper—Rayleigh scattering(HRS)technique for the study of the nonlinearoptical properties of molecules[刊,中]/汪昕,崔一平(东南大学分子与生物分子电子学实验室,光电子技术实验室.江苏,南京(210096))//中国激光.—1999,26(1).—15—20介绍了九十年代发展起来的超瑞利散射(HRS)技术的简史、理论,研究意义以及作者目前的研究工作。HRS是溶液或气体分子的二阶或高阶非相干散射,通过HRS技术不仅可以测定分子的超极化率,可以了解分子结构和分子间的相互作用。给出了HRS技术的实验装置及分析方法,并总结了其优越于传统的电场诱导二次谐波产生(EFISHG)技术的特点。图5表1参17(赵桂云)O437 99042462采用电光调制的强散射介质的扩散光子密度波取象研究=Diffusive photon density waves imaging ofobjects in highly scattering media by used electro—optic modulation[刊,中]/王桂芬,马根源,张存渊,张光寅(南开大学物理系.天津(300071))//中国学术期刊文摘(科技快报).—1999,5(4).—图1参5采用电光调制器对入射的连续光进行强度调制,使其成为声频和超声频正弦调制光,射入模拟的生物组织中进行探测。展开更多
Based on the angular spectrum method and the circular Gaussian distribution(CGD) model of scattering media,we numerically simulate light focusing through strongly scattering media.A high contrast focus in the target a...Based on the angular spectrum method and the circular Gaussian distribution(CGD) model of scattering media,we numerically simulate light focusing through strongly scattering media.A high contrast focus in the target area is produced by using feedback optimization algorithm with binary amplitude modulation.It is possible to form the focusing with one focus or multiple foci at arbitrary areas.The influence of the number of square segments of spatial light modulation on the enhancement factor of intensity is discussed.Simulation results are found to be in good agreement with theoretical analysis for light refocusing.展开更多
文摘O437 99042461研究分子非线性光学特性的新技术—超瑞利散射技术=A newly developed hyper—Rayleigh scattering(HRS)technique for the study of the nonlinearoptical properties of molecules[刊,中]/汪昕,崔一平(东南大学分子与生物分子电子学实验室,光电子技术实验室.江苏,南京(210096))//中国激光.—1999,26(1).—15—20介绍了九十年代发展起来的超瑞利散射(HRS)技术的简史、理论,研究意义以及作者目前的研究工作。HRS是溶液或气体分子的二阶或高阶非相干散射,通过HRS技术不仅可以测定分子的超极化率,可以了解分子结构和分子间的相互作用。给出了HRS技术的实验装置及分析方法,并总结了其优越于传统的电场诱导二次谐波产生(EFISHG)技术的特点。图5表1参17(赵桂云)O437 99042462采用电光调制的强散射介质的扩散光子密度波取象研究=Diffusive photon density waves imaging ofobjects in highly scattering media by used electro—optic modulation[刊,中]/王桂芬,马根源,张存渊,张光寅(南开大学物理系.天津(300071))//中国学术期刊文摘(科技快报).—1999,5(4).—图1参5采用电光调制器对入射的连续光进行强度调制,使其成为声频和超声频正弦调制光,射入模拟的生物组织中进行探测。
基金supported by the National Natural Science Foundation of China(Nos.61178015 and 11304104)
文摘Based on the angular spectrum method and the circular Gaussian distribution(CGD) model of scattering media,we numerically simulate light focusing through strongly scattering media.A high contrast focus in the target area is produced by using feedback optimization algorithm with binary amplitude modulation.It is possible to form the focusing with one focus or multiple foci at arbitrary areas.The influence of the number of square segments of spatial light modulation on the enhancement factor of intensity is discussed.Simulation results are found to be in good agreement with theoretical analysis for light refocusing.
