Article ID Journal Published Year Pages File Type
1678110 Ultramicroscopy 2008 7 Pages PDF
Abstract

By using a low-order zone-axis ronchigram of a crystalline sample, a simple method for measuring twofold astigmatism of a probe-forming lens is proposed. This method allows precise measurement of the value of astigmatism from only one experimental ronchigram.

Related Topics
Physical Sciences and Engineering Materials Science Nanotechnology
Authors
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