Volume 16, Number 3, 335-338, DOI: 10.1007/s10043-009-0062-z

Hologram recording in glass and direct reconstruction using visible-wavelength laser beam

Daisuke Sakai, Kenji Harada, Shun-ichi Kamemaru, Daisuke Barada, Fuminobu Sato and Takashi Fukuda

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Abstract

We propose a method of hologram recording in a glass plate by corona charging. The holographic recording materials used in this study are conventional soda-lime glass and azobenzene polymer film. A Fourier transform hologram on an azobenzene polymer film coated on the glass plate is recorded in the glass plate by corona charging. After removing the polymer film, the hologram recorded in the plate can be reconstructed using a visible-wavelength laser beam. The first-order diffraction efficiency of the hologram at a wavelength of 532 nm is 0.03%; the efficiency depends on the depth of the surface relief structure on the azobenzene polymer film and the corona-charging time. The hologram recorded in the glass plate has high environmental resistance.

Keywords  hologram - glass - corona charging - azobenzene polymer - surface relief grating

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