Development of a Mach-Zehnder type electron interferometer on a 1.2-MV field-emission transmission electron microscope.
Microscopy (Oxf)
; 69(6): 411-416, 2020 Dec 03.
Article
em En
| MEDLINE
| ID: mdl-32667646
ABSTRACT
We have developed an amplitude-division type Mach-Zehnder electron interferometer (MZ-EI). The developed MZ-EI is composed of single crystals corresponding to amplitude-division beam splitters, lenses corresponding to mirrors and an objective aperture. The spacings and azimuth angles of interference fringes can be controlled by single crystal materials and their orientations and by diffraction spots selected by the objective aperture. We built the MZ-EI on a 1.2-MV field-emission transmission electron microscope and tested its performance. Results showed that interference fringes were created for various spacings and azimuth angles, which demonstrates the practicability of the MZ-EI as an amplitude-division type electron interferometer.
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2020
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Article