Simultaneous correction of spherical and chromatic aberrations by dynamic hollow-cone illumination
通过动态空心锥照明同时校正球差和色差
基本信息
- 批准号:20246015
- 负责人:
- 金额:$ 14.06万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (A)
- 财政年份:2008
- 资助国家:日本
- 起止时间:2008 至 2010
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
A novel wave field restoration method under dynamic hollow-cone illumination is demonstrated using a series of 64 azimuthally rotated images in transmission electron microscopy(TEM). The restoration of the exit wave field was performed by utilizing spherical and chromatic aberration-free Fourier components. The images obtained by inverse Fourier transform of the integrated Fourier spectrum for the azimuthally rotated images clearly showed successful separation of real and imaginary components of the exit wave and resolution enhancement beyond the information limit under axial illumination. Another way to achieve higher spatial resolution was also proposed using the three-dimensional Fourier filtering method applied to tilted illumination. In the approach, the degradation of image contrast caused by chromatic aberration was reduced and the image distortion caused by spherical aberration, coma aberration and three-fold astigmatism was corrected, resulting in the achievement of 1. 4 times higher resolution beyond the information limit under axial illumination.
利用透射电子显微镜(TEM)的64幅方位旋转图像,提出了一种新的动态空心锥照明下的波场恢复方法。通过利用球面和色差无傅立叶分量进行出射波场的恢复。通过对方位角旋转图像的积分傅立叶谱进行逆傅立叶变换获得的图像清楚地示出了出射波的真实的和虚分量的成功分离以及在轴向照明下超过信息极限的分辨率增强。另一种方法,以实现更高的空间分辨率也提出了使用三维傅立叶滤波方法应用于倾斜照明。该方法减小了色差引起的图像对比度下降,校正了球差、彗差和三倍像散引起的图像畸变,实现了1.在轴向照明下,分辨率比信息极限高4倍。
项目成果
期刊论文数量(67)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Development of Computer Assisted Imaging System for TEM with Direct Electron Detection Type CCD Camera
直接电子探测型CCD相机TEM计算机辅助成像系统的研制
- DOI:
- 发表时间:2009
- 期刊:
- 影响因子:0
- 作者:H. Kizawa;W. Togashi;M. Hayashida;Y. Kimura and Y. Takai
- 通讯作者:Y. Kimura and Y. Takai
{{
item.title }}
{{ item.translation_title }}
- DOI:
{{ item.doi }} - 发表时间:
{{ item.publish_year }} - 期刊:
- 影响因子:{{ item.factor }}
- 作者:
{{ item.authors }} - 通讯作者:
{{ item.author }}
数据更新时间:{{ journalArticles.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ monograph.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ sciAawards.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ conferencePapers.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ patent.updateTime }}
TAKAI Yoshizo其他文献
TAKAI Yoshizo的其他文献
{{
item.title }}
{{ item.translation_title }}
- DOI:
{{ item.doi }} - 发表时间:
{{ item.publish_year }} - 期刊:
- 影响因子:{{ item.factor }}
- 作者:
{{ item.authors }} - 通讯作者:
{{ item.author }}
{{ truncateString('TAKAI Yoshizo', 18)}}的其他基金
Development of bio electron microscopy under ultra low electron dose conditions
超低电子剂量条件下生物电子显微镜的发展
- 批准号:
18206007 - 财政年份:2006
- 资助金额:
$ 14.06万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Development of Super Resolution Bio-Phase Transmission Electron Microscopy
超分辨率生物相透射电子显微镜的研制
- 批准号:
15360036 - 财政年份:2003
- 资助金额:
$ 14.06万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Direct Observation of DNA at a Molecular Scale Level by Three-Dimensional Fourier Filtering Method
三维傅立叶滤波法在分子尺度直接观察DNA
- 批准号:
13450036 - 财政年份:2001
- 资助金额:
$ 14.06万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of TEM specimen Holder Enabling Atomic Level Observation under One Atomospheric Pressure
开发可在一个大气压下进行原子水平观察的 TEM 样品架
- 批准号:
12555017 - 财政年份:2000
- 资助金额:
$ 14.06万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of Super Resolution Phase Electron Microscopy
超分辨率相位电子显微镜的发展
- 批准号:
10450037 - 财政年份:1998
- 资助金额:
$ 14.06万 - 项目类别:
Grant-in-Aid for Scientific Research (B).
相似海外基金
I-Corps: Robotic Optic Technologies for Adaptive, Dynamic Lighting Applications
I-Corps:用于自适应动态照明应用的机器人光学技术
- 批准号:
2133202 - 财政年份:2021
- 资助金额:
$ 14.06万 - 项目类别:
Standard Grant














{{item.name}}会员




