Practical methods for the measurement of spatial coherence-A comparative study

Christian Maunders; Christian Dwyer; Peter Tiemeijer; Joanne Etheridge

doi:10.1016/j.ultramic.2011.05.011

Practical methods for the measurement of spatial coherence-A comparative study

Christian Maunders, Christian Dwyer, Peter Tiemeijer, Joanne Etheridge

Materials Science & Engineering

Research output: Contribution to journal › Article › Research › peer-review

35 Citations (Scopus)

Abstract

Two new methods for the measurement of transverse spatial coherence in a transmission electron microscope (TEM) are developed and applied to measure the spatial coherence in a field emission gun TEM. Measurements are made under different illumination and operating conditions, illustrating the effect of these conditions on the spatial coherence. The relative merits and limitations of these methods are discussed and compared, together with the previously described “Ronchigram” method.

Original language	English
Pages (from-to)	1437 - 1446
Number of pages	10
Journal	Ultramicroscopy
Volume	111
Issue number	8
DOIs	https://doi.org/10.1016/j.ultramic.2011.05.011
Publication status	Published - 2011

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10.1016/j.ultramic.2011.05.011

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title = "Practical methods for the measurement of spatial coherence-A comparative study",

abstract = "Two new methods for the measurement of transverse spatial coherence in a transmission electron microscope (TEM) are developed and applied to measure the spatial coherence in a field emission gun TEM. Measurements are made under different illumination and operating conditions, illustrating the effect of these conditions on the spatial coherence. The relative merits and limitations of these methods are discussed and compared, together with the previously described “Ronchigram” method.",

author = "Christian Maunders and Christian Dwyer and Peter Tiemeijer and Joanne Etheridge",

year = "2011",

doi = "10.1016/j.ultramic.2011.05.011",

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AU - Maunders, Christian

AU - Dwyer, Christian

AU - Tiemeijer, Peter

AU - Etheridge, Joanne

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N2 - Two new methods for the measurement of transverse spatial coherence in a transmission electron microscope (TEM) are developed and applied to measure the spatial coherence in a field emission gun TEM. Measurements are made under different illumination and operating conditions, illustrating the effect of these conditions on the spatial coherence. The relative merits and limitations of these methods are discussed and compared, together with the previously described “Ronchigram” method.

AB - Two new methods for the measurement of transverse spatial coherence in a transmission electron microscope (TEM) are developed and applied to measure the spatial coherence in a field emission gun TEM. Measurements are made under different illumination and operating conditions, illustrating the effect of these conditions on the spatial coherence. The relative merits and limitations of these methods are discussed and compared, together with the previously described “Ronchigram” method.

UR - http://www.journals.elsevier.com/ultramicroscopy/

U2 - 10.1016/j.ultramic.2011.05.011

DO - 10.1016/j.ultramic.2011.05.011

M3 - Article

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VL - 111

SP - 1437

EP - 1446

JO - Ultramicroscopy

JF - Ultramicroscopy

IS - 8

ER -

Practical methods for the measurement of spatial coherence-A comparative study

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Centre for Electron Microscopy (MCEM)

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Practical methods for the measurement of spatial coherence-A comparative study

Abstract

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Centre for Electron Microscopy (MCEM)

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