- Abstract:
-
A new method for the accurate determination of the symmetric coefficients of the wave aberration function has been developed. The relative defoci and displacements of images in a focus series are determined from an analysis of the phase correlation function between pairs of images, allowing the restoration of an image wave even when focus and specimen drift are present. Subsequently, the absolute coefficients of both defocus and 2-fold astigmatism are determined with a phase contrast index fu...
Expand abstract - Publisher copy:
- 10.1016/s0304-3991(02)00071-2
-
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- Journal:
- Ultramicroscopy
- Volume:
- 92
- Issue:
- 2
- Pages:
- 89-109
- Publication date:
- 2002-07-05
- DOI:
- EISSN:
-
1879-2723
- ISSN:
-
0304-3991
- URN:
-
uuid:b0df2db7-42fa-4f04-8e2d-fe0f931d2abc
- Source identifiers:
-
9783
- Local pid:
- pubs:9783
- Language:
- English
- Keywords:
- Copyright date:
- 2002
Journal article
A new method for the determination of the wave aberration function for high resolution TEM 1. Measurement of the symmetric aberrations.
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