26 June 2017 Volumetric graphics in liquid using holographic femtosecond laser pulse excitations
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Proceedings Volume 10335, Digital Optical Technologies 2017; 1033513 (2017) https://doi.org/10.1117/12.2270072
Event: SPIE Digital Optical Technologies, 2017, Munich, Germany
Abstract
Much attention has been paid to the development of three-dimensional volumetric displays in the fields of optics and computer graphics, and it is a dream of we display researchers. However, full-color volumetric displays are challenging because many voxels with different colors have to be formed to render volumetric graphics in real three-dimensional space. Here, we show a new volumetric display in which microbubble voxels are three-dimensionally generated in a liquid by focused femtosecond laser pulses. Use of a high-viscosity liquid, which is the key idea of this system, slows down the movement of the microbubbles, and as a result, volumetric graphics can be displayed. This “volumetric bubble display” has a wide viewing angle and simple refresh and requires no addressing wires because it involves optical access to transparent liquid and achieves full-color graphics composed on light-scattering voxels controlled by illumination light sources. In addition, a bursting of bubble graphics system using an ultrasonic vibrator also has been demonstrated. This technology will open up a wide range of applications in three-dimensional displays, augmented reality and computer graphics.
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Kota Kumagai, Kota Kumagai, Yoshio Hayasaki, Yoshio Hayasaki, } "Volumetric graphics in liquid using holographic femtosecond laser pulse excitations", Proc. SPIE 10335, Digital Optical Technologies 2017, 1033513 (26 June 2017); doi: 10.1117/12.2270072; https://doi.org/10.1117/12.2270072
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