Three-dimensional coherent transfer function for a confocal microscope with two D-shaped pupils

Abstract

The three-dimensional coherent transfer function for D-shaped pupils in reflection-mode confocal scanning microscopy is analytically derived under the paraxial approximation. Three-dimensional numerical plots are presented, showing the dependence of the transfer functions on the width of a central divider. The applications in fiber-optical confocal scanning microscopy are also discussed.

© 2009 Optical Society of America

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