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Optics Letters

Optics Letters


  • Vol. 18, Iss. 22 — Nov. 15, 1993
  • pp: 1887–1889

Real-time electron-holographic interference microscopy with a liquid-crystal spatial light modulator

Jun Chen, Tsukasa Hirayama, Guanming Lai, Takayoshi Tanji, Kazuo Ishizuka, and Akira Tonomura  »View Author Affiliations

Optics Letters, Vol. 18, Issue 22, pp. 1887-1889 (1993)

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An electron-holographic interference microscope that produces a time-sequential interference micrograph at a TV rate is developed. In this system, the electron off-axis hologram detected with a TV camera is transferred to a liquid-crystal spatial light modulator as a video signal. The liquid-crystal spatial light modulator can function as a thin amplitude hologram or a thin phase hologram. Time-sequential interference micrograph is obtained at a TV rate by superimposition of a plane reference wave onto the reconstructed object wave. Experimental results for observing a dynamic domain-wall motion in thin Permalloy film are demonstrated.

© 1993 Optical Society of America

Original Manuscript: June 16, 1993
Published: November 15, 1993

Jun Chen, Tsukasa Hirayama, Guanming Lai, Takayoshi Tanji, Kazuo Ishizuka, and Akira Tonomura, "Real-time electron-holographic interference microscopy with a liquid-crystal spatial light modulator," Opt. Lett. 18, 1887-1889 (1993)

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