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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 9, Iss. 11 — Nov. 1, 1992
  • pp: 1991–1999

Three-dimensional optical transfer function in a fiber-optical confocal fluorescence microscope using annular lenses

Min Gu and C. J. R. Sheppard  »View Author Affiliations


JOSA A, Vol. 9, Issue 11, pp. 1991-1999 (1992)
http://dx.doi.org/10.1364/JOSAA.9.001991


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Abstract

Three-dimensional fluorescent image formation is analyzed for a fiber-optical confocal scanning microscope that uses annular lenses. The three-dimensional optical transfer function is derived, including the effects of the central obstruction radius and of the fiber spot size. Numerical calculations of the three-dimensional optical transfer functions have been performed for various cases. No negative values exist in the transfer functions, and no missing cone of spatial frequencies appears if the illumination fiber is identical to the collection fiber. It is found that using annular lenses in a system with optical fibers can result in improved resolution in both transverse and axial directions.

© 1992 Optical Society of America

History
Original Manuscript: August 27, 1991
Revised Manuscript: June 19, 1992
Manuscript Accepted: May 26, 1992
Published: November 1, 1992

Citation
Min Gu and C. J. R. Sheppard, "Three-dimensional optical transfer function in a fiber-optical confocal fluorescence microscope using annular lenses," J. Opt. Soc. Am. A 9, 1991-1999 (1992)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-9-11-1991

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