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Proceedings Paper

Differential confocal microscopy with annular pupil filter
Author(s): Li Liu; Xiaoqiang Deng; Lisong Yang; Guiying Wang; Zhizhan Xu
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Paper Abstract

We combine the differential confocal microscopy and annular pupil filter together. The theory of differential confocal microscopy and the property of the annular pupil filter are discussed in detail. The results of computer simulation and experiment prove that this method can extend the axial dynamic range and improve transversal resolution of 3D profilometry at sacrificing axial resolution.

Paper Details

Date Published: 11 October 2000
PDF: 5 pages
Proc. SPIE 4224, Biomedical Photonics and Optoelectronic Imaging, (11 October 2000); doi: 10.1117/12.403930
Show Author Affiliations
Li Liu, Shanghai Institute of Optics and Fine Mechanics (China)
Xiaoqiang Deng, Shanghai Institute of Optics and Fine Mechanics (China)
Lisong Yang, Shanghai Institute of Optics and Fine Mechanics (Ireland)
Guiying Wang, Shanghai Institute of Optics and Fine Mechanics (China)
Zhizhan Xu, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 4224:
Biomedical Photonics and Optoelectronic Imaging
Hong Liu; Qingming Luo, Editor(s)

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