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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.
- 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