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Proceedings Paper

Initital research of three-dimensional volumetric display based on di-frequency upconversion
Author(s): Xiaobo Chen; Yan Feng; Guangyin Zhang; Mengxia Li; Kun Li; Feng Song; Shizhang Bi; Meiru Shang; Zeng-Fu Song; Yinguan Sun; Siping Feng; Jun Xiong; Chenjuan He; Xiangang Liu; Zhe Zheng
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Paper Abstract

3D display may be one of the most wonderful techniques attracting scientists to research on. But most of current approaches are fictitious ones. On the CLEO'94, E. A. Downing and L. Hesselink et al. reported a virtual 3D volumetric display using Pr doped fluoride glass upconversion luminescence which is evaluated as a new excellent physics achievement in 1996. The ZBLAN:Pr glass is proved by L. Hesselink to be a interesting material for 3D volumetric display based on upconversion. In the processes of upconverting near-infrared radiation to visible, the 1G4 level of Pr3+ locates at an important position. But the transition probability of 3H4- 1G4 proved to be one or two order of magnitude smaller than other strong transitions. So to improve the population on 1G4 has an practical significance. In this paper, we report a simple 3D volumetric display experiment which has used the upconversion sensitization method. A bulk ZBLAN:Pr,Yb and ZBLAN:pr glasses were selected as display medium. Just as the sensitized action of Yb3+ ion, the di-frequency upconversion luminescence intensity of Pr3+ ion is enhanced more than thirty times. So, the brightness of 3D display is better than the work of E. A. Downing and L. Hesselink. Some technique consideration is discussed. In addition a conception of multilayer 3D display device is also presented, which are thought having several advantages.

Paper Details

Date Published: 18 August 1998
PDF: 10 pages
Proc. SPIE 3560, Display Devices and Systems II, (18 August 1998); doi: 10.1117/12.319660
Show Author Affiliations
Xiaobo Chen, Nankai Univ. and Beijing Normal Univ. (China)
Yan Feng, Nankai Univ. (China)
Guangyin Zhang, Nankai Univ. (China)
Mengxia Li, Nankai Univ. and Beijing Normal Univ. (China)
Kun Li, Nankai Univ. (Singapore)
Feng Song, Nankai Univ. (China)
Shizhang Bi, Nankai Univ. (China)
Meiru Shang, Nankai Univ. (China)
Zeng-Fu Song, Peking Univ. (China)
Yinguan Sun, Beijing Normal Univ. (China)
Siping Feng, Beijing Normal Univ. (China)
Jun Xiong, Beijing Normal Univ. (United States)
Chenjuan He, Beijing Normal Univ. (China)
Xiangang Liu, Beijing Normal Univ. (China)
Zhe Zheng, Beijing Normal Univ. (China)

Published in SPIE Proceedings Vol. 3560:
Display Devices and Systems II
Shou-Qian Ding; Bao Gang Wu, Editor(s)

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