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9 March 2022 Full-color reflection hologram with optimized diffraction efficiency in a one-layer photopolymer
Hui-Ying Wu, Chang-Won Shin, Joon Hyun Kim, Shinde Rupali, Kwon-Yeon Lee, Seong Gyoon Park, Nam Kim
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Proceedings Volume 12026, Practical Holography XXXVI: Displays, Materials, and Applications; 120260F (2022) https://doi.org/10.1117/12.2610463
Event: SPIE OPTO, 2022, San Francisco, California, United States
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Abstract
In this paper, A full-color Denisyuk-type hologram using photopolymer has been recorded by the sequential exposure method. The photopolymer's optical characteristics show that inhibition periods of the photopolymer at three lasers are different in the same beam intensity. To increase the average diffraction efficiency of a full-color holographic optical element (HOE), the three lasers should be sequentially exposed to the photopolymer. The experimental results show that the average efficiency of a full-color reflection HOE is 59.6% and the standard deviation is 2.1. Also, the full-color hologram recorded in a one-layer photopolymer can reconstruct a high-quality image.
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Hui-Ying Wu, Chang-Won Shin, Joon Hyun Kim, Shinde Rupali, Kwon-Yeon Lee, Seong Gyoon Park, and Nam Kim "Full-color reflection hologram with optimized diffraction efficiency in a one-layer photopolymer", Proc. SPIE 12026, Practical Holography XXXVI: Displays, Materials, and Applications, 120260F (9 March 2022); https://doi.org/10.1117/12.2610463
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KEYWORDS
Holographic optical elements
Diffraction
Holograms
Holography
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