Transport of intensity equation method and its applications

IF 1.8 4区 工程技术
Microscopy Pub Date : 2020-11-01 DOI:10.1093/jmicro/dfaa053
Masanori Mitome
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引用次数: 8

Abstract

A phase retrieval technique based on a transport of intensity equation (TIE) is one of the defocus series reconstruction techniques in microscopy. Since it does not require any dedicated devices like a biprism, and only three defocus images are enough to retrieve phase information, it has been applied to observe magnetic fields, magnetic domains, electrostatic potentials and strains. It is also used to improve image resolution by correcting spherical aberration. This technique is simple and easy to use, but some artifacts often appear in the retrieved phase map. One should pay careful attention to the experimental conditions and the algorithms and boundary conditions used to solve the TIE. This paper reviews the principle of the TIE method, the algorithms used to solve it and application results in materials science.
强度方程输运法及其应用
基于强度输运方程(TIE)的相位恢复技术是显微镜中散焦序列重建技术之一。由于它不需要任何像双棱镜这样的专用设备,并且只有三个散焦图像就足以检索相位信息,因此它已被应用于观察磁场、磁畴、静电势和应变。它还用于通过校正球面像差来提高图像分辨率。这种技术简单易用,但在检索到的相位图中经常会出现一些伪影。应该仔细注意实验条件以及用于求解TIE的算法和边界条件。本文综述了TIE方法的原理、求解算法以及在材料科学中的应用结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Microscopy
Microscopy 工程技术-显微镜技术
自引率
11.10%
发文量
0
审稿时长
>12 weeks
期刊介绍: Microscopy, previously Journal of Electron Microscopy, promotes research combined with any type of microscopy techniques, applied in life and material sciences. Microscopy is the official journal of the Japanese Society of Microscopy.
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