A method of 3-D data information storage with virtual holography

Zhen Huang; Guodong Liu; Zhong Ren; Lüming Zeng

doi:10.1117/12.829355

19 March 2009 A method of 3-D data information storage with virtual holography

Zhen Huang, Guodong Liu, Zhong Ren, Lüming Zeng

Proceedings Volume 7125, Eighth International Symposium on Optical Storage and 2008 International Workshop on Information Data Storage; 71250A (2009) https://doi.org/10.1117/12.829355
Event: Eighth International Symposium on Optical Storage and 2008 International Workshop on Information Data Storage, 2008, Wuhan, China

Abstract

In this paper, a new method of 3-D data cube based on virtual holographic storage is presented. Firstly, the data information is encoded in the form of 3-D data cube with a certain algorithm, in which the interval along coordinates between every data is d. Using the plane-scanning method, the 3-D cube can be described as a assembly of slices which are parallel planes along the coordinates at an interval of d. The dot on the slice represents a bit. The bright one means "1", while the dark one means "0". Secondly, a hologram of the 3-D cube is obtained by computer with virtual optics technology. All the information of a 3-D cube can be described by a 2-D hologram. At last, the hologram is inputted in the SLM, and recorded in the recording material by intersecting two coherent laser beams. When the 3-D data is exported, a reference light illuminates the hologram, and a CCD is used to get the object image which is a hologram of the 3-D data. Then the 3-D data is computed with virtual optical technology. Compared with 2-D data page storage, the 3-D data cube storage has outstanding performance in larger capacity of data storage and higher security of data.

Citation Download Citation

Zhen Huang, Guodong Liu, Zhong Ren, and Lüming Zeng "A method of 3-D data information storage with virtual holography", Proc. SPIE 7125, Eighth International Symposium on Optical Storage and 2008 International Workshop on Information Data Storage, 71250A (19 March 2009); https://doi.org/10.1117/12.829355

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KEYWORDS

Data storage

Holograms

Holography

3D image reconstruction

3D optical data storage

3D image processing

Holographic data storage systems

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