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2 May 2024 On an improvement of the stability of a spatial mist screen employed a fan without blades in the display of a projected holographic image
Kunihiko Takano, Yudai Totsuka, Yoki Takano, Kazuma Hara, Mito Kotoyori, Koki Sato, Kikuo Asai
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Proceedings Volume 13164, International Workshop on Advanced Imaging Technology (IWAIT) 2024; 131640L (2024) https://doi.org/10.1117/12.3018128
Event: International Workshop on Advanced Imaging Technology (IWAIT) 2024, 2024, Langkawi, Malaysia
Abstract
Electro-holography equipped with a spatial light modulator (SLM) is considered to be an important basic technique for 3D-TV. However, the resolving power of ordinary SLM seems to be very low, and so it looks very difficult to satisfy the space-bandwidth product (SBP) condition. It is unfavorable since the values of the size and the viewing angle of the reproduced images are known to be restricted. We tried to manage this problem by introducing several processes using a spatial screen of a mist flow or a micro-bubble, and discharged air plasma. In these processes, since we have jetted out the scatterer into the space directly, fluctuation reducing process of the screen has come to be an important problem. In this paper, we shall report that, to improve the stability of the mist screen, a spatial screen employed a bladeless fan (without blades) is introduced, and a challenge is made for holographic projected images to be presented in an extended display area of the screen. As this result, we confirmed that an effective display area is exactly enlarged, and a performance of highly bright projected images is carried out by this new system.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Kunihiko Takano, Yudai Totsuka, Yoki Takano, Kazuma Hara, Mito Kotoyori, Koki Sato, and Kikuo Asai "On an improvement of the stability of a spatial mist screen employed a fan without blades in the display of a projected holographic image", Proc. SPIE 13164, International Workshop on Advanced Imaging Technology (IWAIT) 2024, 131640L (2 May 2024); https://doi.org/10.1117/12.3018128
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KEYWORDS
Displays
Fluctuations and noise
Holograms
Holography
Particles
Image processing
Image transmission
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