期刊
OPTICS EXPRESS
卷 25, 期 18, 页码 21851-21860出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.25.021851
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Recent progress in phase modulation using nanofabricated electron holograms has demonstrated how the phase of an electron beam can be controlled. In this paper, we apply this concept to the correction of spherical aberration in a scanning transmission electron microscope and demonstrate an improvement in spatial resolution. Such a holographic approach to spherical aberration correction is advantageous for its simplicity and cost-eff ectiveness. (C) 2017 Optical Society of America
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