Development of the solid-state imaging system for the spatio-temporal motion analysis of small particles

用于小颗粒时空运动分析的固态成像系统的开发

基本信息

  • 批准号:
    04555008
  • 负责人:
  • 金额:
    $ 6.14万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Developmental Scientific Research (B)
  • 财政年份:
    1992
  • 资助国家:
    日本
  • 起止时间:
    1992 至 1993
  • 项目状态:
    已结题

项目摘要

By using a function of the high speed and precision sampling of time-varying intensity distributions in both spatial and temporal regions in a solid-state imaging system, a novel system was developed for obtaining and analyzing images of time-varying small objects with high spatial and temporal resolutions. The system was forther developed for simultaneous measurements of position, size, and refractive index of moving small particles, using the new theory of light scattering by small particles. Main results are summarized in the following :1. Principles of the space-time-resolved acquisition of images in a solid-state imaging system were proposed and revealed by computer simulations based on a mathematical model, and factors were evidently given for affecting a spatial resolution of the system.2. By using the new light scattering theory based on geometrical optics, relations between the characteristics of obtained images and the objective particles were given in simple forms as interference fringes and were revealed experimentally.3. A trial system was realized and applied to measurements of freely falling small glass spheres, and was shown to give the time-resolved information about the size and the one-dimensional position of moving particles.4. By introducing the information about the phase of obtained fringe-like images for analysis, the system was further developed for measuring the two-dimensional motion of particles.5. The developed system was applied to analyze the effects of laser radiation pressure on the particle motion in the laser manipulation. As a result, a new method was proposed for the optical particle sizing utilizing a induced motion of particles by the laser radiation pressure.6. By applying the theory of light scattering based on geometrical optics, a new optical system was proposed for overcoming the defects in the phase/Doppler particle analyzer, and its validity was revealed experimentally.
利用固态成像系统对空间和时间区域的时变强度分布进行高速、精确采样的功能,开发了一种新的高时空分辨率的时变小目标图像获取和分析系统。利用小颗粒光散射的新理论,进一步发展了一种同时测量运动小颗粒的位置、大小和折射率的系统。主要研究成果总结如下:1.提出了固态成像系统中图像的时空分辨采集原理,并在数学模型的基础上进行了计算机仿真,给出了影响系统空间分辨率的因素。利用基于几何光学的新的光散射理论,以干涉条纹的简单形式给出了所获得的图像特征与目标粒子的关系,并从实验上揭示了它们之间的关系。实现了一个实验系统,并将其应用于自由落体小玻璃球的测量,给出了运动粒子的大小和一维位置的时间分辨信息。通过引入用于分析的条纹状图像的位相信息,进一步开发了测量粒子二维运动的系统。利用该系统分析了激光操控过程中激光辐射压力对粒子运动的影响。因此,提出了一种利用激光辐射压力诱导粒子运动来测量光学粒子大小的新方法。应用基于几何光学的光散射理论,提出了一种新的光学系统,以克服相位/多普勒粒子分析仪的缺陷,并通过实验验证了该系统的有效性。

项目成果

期刊论文数量(18)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Yasuhiro Harada: "Determination of size and refractive index of single spherical particles on the basis of geometrical optics" Pure and Applied Optics. 1. 77-90 (1992)
Yasuhiro Harada:“基于几何光学的单个球形颗粒的尺寸和折射率的测定”《纯粹与应用光学》。
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Y.Harada, T.Asakura, and K.Enomoto: "Effects of the radiation pressure of laser beams in photon carrelation spectroscopy" Proc.SPIE. 1983. 323-324 (1993)
Y.Harada、T.Asakura 和 K.Enomoto:“光子相关光谱中激光束的辐射压力的影响”Proc.SPIE。
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Y.Harada and T.Asakura: "Effects of the laser radiation pressure on optical particle sizing by means of photon correlation spectroscopy" Proc.3rd Int'l Congress on Optical Particle Sizing. 89-95 (1993)
Y.Harada 和 T.Asakura:“通过光子相关光谱分析激光辐射压力对光学粒度的影响”Proc.3rd 国际光学粒度测定大会。
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Y.Harada and T.Asakura: "Effects of the laser radiation pressure in photon correlation spectroscopy" Opt.Commun.(to be published). (1994)
Y.Harada 和 T.Asakura:“光子相关光谱中激光辐射压力的影响”Opt.Commun.(待出版)。
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Yasuhiro Harada: "Effects of the laser radiation pressure in photon correlation spectroscopy" Optics Communications. (to be published). (1994)
Yasuhiro Harada:“光子相关光谱中激光辐射压力的影响”光学通讯。
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ASAKURA Toshimitsu其他文献

ASAKURA Toshimitsu的其他文献

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{{ truncateString('ASAKURA Toshimitsu', 18)}}的其他基金

Dynamics and light-scattering properties of Brownian particles in suspensions under laser radiation pressure
激光辐射压力下悬浮液中布朗粒子的动力学和光散射特性
  • 批准号:
    09450024
  • 财政年份:
    1997
  • 资助金额:
    $ 6.14万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Development of Dynamic Light Scattering Method using Radiation Pressure-Induced Motion of Particles in Suspension
利用辐射压力引起悬浮颗粒运动的动态光散射方法的发展
  • 批准号:
    06555009
  • 财政年份:
    1994
  • 资助金额:
    $ 6.14万
  • 项目类别:
    Grant-in-Aid for Developmental Scientific Research (B)
Study on the Multiple Scattering Phenomena of Coherent Light by High Concentration Media
高浓度介质对相干光多重散射现象的研究
  • 批准号:
    06650044
  • 财政年份:
    1994
  • 资助金额:
    $ 6.14万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (C)
Statistical Properties of Dynamic Multiple Scattering Phenomena of Laser Light
激光动态多重散射现象的统计特性
  • 批准号:
    04452098
  • 财政年份:
    1992
  • 资助金额:
    $ 6.14万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)
Optical Information Processing of Fractal Objects
分形物体的光学信息处理
  • 批准号:
    02452078
  • 财政年份:
    1990
  • 资助金额:
    $ 6.14万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)
RESEARCH ON LANGUAGES OF MINORITIES IN SAKHALIN - AINU, UILTA, NIVKH -
萨哈林少数民族语言研究 - AINU、UILTA、NIVKH -
  • 批准号:
    02044002
  • 财政年份:
    1990
  • 资助金额:
    $ 6.14万
  • 项目类别:
    Grant-in-Aid for international Scientific Research
Development of Measurement Instruments for Space-Time Density Distribution of Floating Small Particles
漂浮小颗粒时空密度分布测量仪器的研制
  • 批准号:
    63850010
  • 财政年份:
    1988
  • 资助金额:
    $ 6.14万
  • 项目类别:
    Grant-in-Aid for Developmental Scientific Research
Reproductions and Anaylses of the Old Phonograph and Pbotograph Materials on the Ethnic Groups in Japan, Formosa, and the Philippines
日本、福尔摩沙、菲律宾各族群旧留声机、摄影机资料的复制与分析
  • 批准号:
    61300002
  • 财政年份:
    1986
  • 资助金额:
    $ 6.14万
  • 项目类别:
    Grant-in-Aid for Co-operative Research (A)
Engineering Reproduction of Sound from Pilsudski's wax Phonograph cylinders
毕苏斯基蜡留声机圆筒声音的工程再现
  • 批准号:
    59890001
  • 财政年份:
    1984
  • 资助金额:
    $ 6.14万
  • 项目类别:
    Grant-in-Aid for Developmental Scientific Research

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