Direct Visualization of Electromagnetic Microfields by Superposition of Two Kinds of Electron Holograms |
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Authors: | Akinori Ohshita Masaaki Okuhara Chiharu Matsuya Koichi Hata Kazuo Iida |
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Affiliation: | (1) Department of Electrical and Electronic Engineering, Faculty of Engineering, Mie University, Kurimamachiya-cho 1577, 514-8507 Tsu, Japan |
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Abstract: | A new electron holographic method is presented to directly visualize pure phase objects such as electromagnetic microfields, which is achieved by superposition of two kinds of electron holograms. The method is very simple and is twice as sensitive as the conventional double-exposure electron holography and the four-electron-wave interference. Using this technique, an electric field around a charged latex sphere and a magnetic field around a barium ferrite particle have been directly observed. |
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Keywords: | : Electric field magnetic field direct visualization electron holography electron hologram. |
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