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Measurement of twofold astigmatism of probe-forming lens using low-order zone-axis ronchigram.

Measurement of twofold astigmatism of probe-forming lens using low-order zone-axis ronchigram.

Authors :
Kuramochi K
Yamazaki T
Kotaka Y
Kikuchi Y
Hashimoto I
Watanabe K
Source :
Ultramicroscopy [Ultramicroscopy] 2008 Mar; Vol. 108 (4), pp. 339-45. Date of Electronic Publication: 2007 May 29.
Publication Year :
2008

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.

Details

Language :
English
ISSN :
0304-3991
Volume :
108
Issue :
4
Database :
MEDLINE
Journal :
Ultramicroscopy
Publication Type :
Academic Journal
Accession number :
17600624
Full Text :
https://doi.org/10.1016/j.ultramic.2007.05.007