AN IMAGING FILTER FOR BIOLOGICAL APPLICATIONS

被引：61

作者：

KRIVANEK, OL

FRIEDMAN, SL

GUBBENS, AJ

KRAUS, B

机构：

[1] STANFORD UNIV,DEPT APPL PHYS,STANFORD,CA 94305

[2] GATAN GMBH,D-80807 MUNICH,GERMANY

来源：

ULTRAMICROSCOPY | 1995年 / 59卷 / 1-4期

关键词：

D O I：

10.1016/0304-3991(95)00034-X

中图分类号：

TH742 [显微镜];

学科分类号：

摘要：

A recently developed post-column imaging filter optimized for biological electron microscopy is described. The filter uses a single magnetic prism, four strong quadrupole lenses and five sextupole lenses to form images and spectra free of all important aberrations and distortions of first and second order. The performance of the filter is illustrated with practical applications. It is shown that the filter offers several important advantages over currently existing in-column filters, particularly in the areas of imaging at low magnifications, attainable collection efficiency, energy resolution, and general spectroscopic operation.

引用

页码：267 / 282

页数：16

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