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Proceedings Paper

Three-dimensional image formation in confocal fluorescence microscopy
Author(s): Min Gu; Colin J. R. Sheppard
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Paper Abstract

For a confocal fluorescence microscope with annular pupils, the three-dimensional (3-D) image formation has been analyzed in terms of the three-dimensional optical transfer function (OTF). Based on the 3-D OTF, we have calculated the optical sectioning strength by considering the axial response. In addition, the effects of the size of the central obstruction of the lens and the detector have been investigated. In order to avoid the negative tail and the missing cone in the OTF, we have introduced optical fibers into the system. In this fiber- optical confocal scanning microscope, the illumination is from a fiber tip and the signal from the scan point is collected by another fiber and delivered to the detector. The optimum relationship of the central obstruction of the objective to the fiber spot size is presented.

Paper Details

Date Published: 26 June 1992
PDF: 11 pages
Proc. SPIE 1660, Biomedical Image Processing and Three-Dimensional Microscopy, (26 June 1992); doi: 10.1117/12.59549
Show Author Affiliations
Min Gu, Univ. of Sydney (Australia)
Colin J. R. Sheppard, Univ. of Sydney (Australia)

Published in SPIE Proceedings Vol. 1660:
Biomedical Image Processing and Three-Dimensional Microscopy
Raj S. Acharya; Carol J. Cogswell; Dmitry B. Goldgof, Editor(s)

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