Advanced split-illumination electron holography without Fresnel fringes

Toshiaki Tanigaki, Shinji Aizawa, Hyun Soon Park, Tsuyoshi Matsuda, Ken Harada, Daisuke Shindo

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

Advanced split-illumination electron holography was developed by employing two biprisms in the illuminating system to split an electron wave into two coherent waves and two biprisms in the imaging system to overlap them. A focused image of an upper condenser-biprism filament was formed on the sample plane, and all other filaments were placed in its shadow. This developed system makes it possible to obtain precise reconstructed object waves without modulations due to Fresnel fringes, in addition to holograms of distant objects from reference waves.

Original languageEnglish
Pages (from-to)7-11
Number of pages5
JournalUltramicroscopy
Volume137
DOIs
Publication statusPublished - 2014 Feb

Keywords

  • Double biprism
  • Electron holography
  • Fresnel fringes
  • Split illumination

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Instrumentation

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