Object Wave Reconstruction by Phase-Plate Transmission Electron Microscopy

Details Object Wave Reconstruction by Phase-Plate Transmission Electron Microscopy Object Wave Reconstruction by Phase-Plate Transmission Electron Microscopy

2010-09-23

arxiv.org/abs/1009.4615v1

Ultramicroscopy, Volume 110, Issue 7, June 2010, Pages 807-81

Physics

Condensed Matter

Materials Science

Scientific paper

10.1016/j.ultramic.2010.02.006

A method is described for the reconstruction of the amplitude and phase of the object exit wave function by phase-plate transmission electron microscopy. The proposed method can be considered as in-line holography and requires three images, taken with different phase shifts between undiffracted and diffracted electrons induced by a suitable phase-shifting device. The proposed method is applicable for arbitrary object exit wave functions and non-linear image formation. Verification of the method is performed for examples of a simulated crystalline object wave function and a wave function acquired with off-axis holography. The impact of noise on the reconstruction of the wave function is investigated.

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