SIMPLE PRESCRIPTIONS FOR ESTIMATING 3-FOLD ASTIGMATISM

Authors
Citation
Wo. Saxton, SIMPLE PRESCRIPTIONS FOR ESTIMATING 3-FOLD ASTIGMATISM, Ultramicroscopy, 58(3-4), 1995, pp. 239-243
Citations number
11
Categorie Soggetti
Microscopy
Journal title
ISSN journal
03043991
Volume
58
Issue
3-4
Year of publication
1995
Pages
239 - 243
Database
ISI
SICI code
0304-3991(1995)58:3-4<239:SPFE3A>2.0.ZU;2-2
Abstract
Optimal expressions are given for the estimation of three-fold astigma tism (and other aberrations) following measurement either of the image displacements or of the diffractogram shapes for sets of four images with mutually orthogonal injected beam tilts.