20 February 2007 Quality evaluation of full color hologram
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Abstract
The quality of a hologram depends on many factors including its resolution, brightness and color reproduction. In a holographic image, good resolution entails that overt and covert images are clearly visible. However, the effects of using the H1H2 method to construct holograms, on the resolution of holographic images have not been investigated to date. In this study, the resolution of images reconstructed from mass-produced color Lippmann holograms using the H1H2 method was evaluated. Silver halide (H1, master hologram) and photopolymer (H2, intermediate and H3 mass-produced holograms) were used as recording materials. Results indicated that the resolution of H3 images decreased progressively as noise in H1 images increased. The noise in H1 images was dependent on conditions related to developing the silver halide and factors related to producing H1. Optimizing the process of creating H1 images was effective in creating high quality H1H2 holograms.
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Makio Kurashige, Tomoko Kumasawa, Akiko Kitamura, Tsuyoshi Yamauchi, Masachika Watanabe, Kenji Ueda, "Quality evaluation of full color hologram", Proc. SPIE 6488, Practical Holography XXI: Materials and Applications, 64880R (20 February 2007); doi: 10.1117/12.701838; https://doi.org/10.1117/12.701838
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