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Proceedings Paper

Position of virtual image formed by bi-grating imaging
Author(s): Weiping Zhang; Tingjun Luo; Guanlang Huang; Yufei Xiao; Xiang Lu
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Paper Abstract

Lengthways and transverse offset of the position of the virtual image relative to the object are analyzed theoretically in different situations of bi-grating imaging, and an experiment on the verification of the offset is carried out. The result shows that the position of the virtual image is just behind the object relative to the positive direction of Z axis, the distance between virtual image and object increases with the increasing of the distance between object and grating G2; Therefore, the position of virtual image deviates from objects in the X-axis if looking it through grating G2. Thus the grating G2 and the virtual image are "located on" the same side of the Z-axis.

Paper Details

Date Published: 17 November 2010
PDF: 8 pages
Proc. SPIE 7848, Holography, Diffractive Optics, and Applications IV, 78482D (17 November 2010); doi: 10.1117/12.870081
Show Author Affiliations
Weiping Zhang, Guangxi Univ. (China)
Tingjun Luo, Guangxi Univ. (China)
Guanlang Huang, Guangxi Univ. (China)
Yufei Xiao, Guangxi Univ. (China)
Xiang Lu, Guangxi Univ. (China)


Published in SPIE Proceedings Vol. 7848:
Holography, Diffractive Optics, and Applications IV
Yunlong Sheng; Chongxiu Yu; Linsen Chen, Editor(s)

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