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Proceedings Paper

Analysis of confocal readout signal in multilayer optical storage with vector diffraction theory
Author(s): Xuemin Gao; Jianhuan Zhang; Wenying Yang; Yingchuan Hong; Guannan Jiang
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Paper Abstract

A detecting system based on confocal microscopy, which is designed to implement reading the signal of a multilayer disk, is introduced. The confocal readout signal, which is relevant to the polarization, the angle of incident beam, the microstructure of the object, as well as the refractive index of the medium of the disk, is analyzed with vector theory, and the numerical simulation of the analysis is given. In order to test the theoretical results, an experimental device is put up and a two-layer disk is tested, the readout signals show that the experiments accord to theoretical analysis.

Paper Details

Date Published: 20 May 2009
PDF: 5 pages
Proc. SPIE 7283, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 72832D (20 May 2009); doi: 10.1117/12.828708
Show Author Affiliations
Xuemin Gao, Xiamen Univ. (China)
Jianhuan Zhang, Xiamen Univ. (China)
Wenying Yang, Xiamen Univ. (China)
Yingchuan Hong, Xiamen Univ. (China)
Guannan Jiang, Xiamen Univ. (China)


Published in SPIE Proceedings Vol. 7283:
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment
Yudong Zhang; James C. Wyant; Robert A. Smythe; Hexin Wang, Editor(s)

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