Analysis of confocal readout signal in multilayer optical storage with vector diffraction theory

Xuemin Gao; Jianhuan Zhang; Wenying Yang; Yingchuan Hong; Guannan Jiang

doi:10.1117/12.828708

20 May 2009 Analysis of confocal readout signal in multilayer optical storage with vector diffraction theory

Xuemin Gao, Jianhuan Zhang, Wenying Yang, Yingchuan Hong, Guannan Jiang

Proceedings Volume 7283, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 72832D (2009) https://doi.org/10.1117/12.828708
Event: AOMATT 2008 - 4th International Symposium on Advanced Optical Manufacturing, 2008, Chengdu, Chengdu, China

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.

Citation Download Citation

Xuemin Gao, Jianhuan Zhang, Wenying Yang, Yingchuan Hong, and Guannan Jiang "Analysis of confocal readout signal in multilayer optical storage with vector diffraction theory", Proc. SPIE 7283, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 72832D (20 May 2009); https://doi.org/10.1117/12.828708

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