Initital research of three-dimensional volumetric display based on di-frequency upconversion

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

doi:10.1117/12.319660

18 August 1998 Initital research of three-dimensional volumetric display based on di-frequency upconversion

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

Author Affiliations +

Proceedings Volume 3560, Display Devices and Systems II; (1998) https://doi.org/10.1117/12.319660
Event: Photonics China '98, 1998, Beijing, China

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.

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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, and Zhe Zheng "Initital research of three-dimensional volumetric display based on di-frequency upconversion", Proc. SPIE 3560, Display Devices and Systems II, (18 August 1998); https://doi.org/10.1117/12.319660

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