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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 4 — Feb. 1, 2010
  • pp: 752–757

Divided-aperture technique for fluorescence confocal microscopy through scattering media

Wei Gong, Ke Si, and Colin J. R. Sheppard  »View Author Affiliations


Applied Optics, Vol. 49, Issue 4, pp. 752-757 (2010)
http://dx.doi.org/10.1364/AO.49.000752


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Abstract

We present a diffraction analysis for image formation in fluorescence confocal microscopy with divided apertures. The three-dimensional optical transform function is given, and axial resolution and transverse resolution are investigated. The results show that the employment of a divided-aperture technique in fluorescence confocal microscopy can enhance the rejection of background scattering. In addition, the axial resolution and transverse resolution can be improved by adjusting the width of the divider strip. For a given detector size, an optimum value of the divider strip width is given to obtain the best axial resolution or transverse resolution. The integrated intensity and signal-to-background ratio are also discussed.

© 2010 Optical Society of America

OCIS Codes
(170.1530) Medical optics and biotechnology : Cell analysis
(170.3660) Medical optics and biotechnology : Light propagation in tissues
(170.4580) Medical optics and biotechnology : Optical diagnostics for medicine
(170.6510) Medical optics and biotechnology : Spectroscopy, tissue diagnostics
(290.0290) Scattering : Scattering

ToC Category:
Diffraction and Gratings

History
Original Manuscript: August 27, 2009
Revised Manuscript: December 26, 2009
Manuscript Accepted: December 28, 2009
Published: January 29, 2010

Virtual Issues
Vol. 5, Iss. 4 Virtual Journal for Biomedical Optics

Citation
Wei Gong, Ke Si, and Colin J. R. Sheppard, "Divided-aperture technique for fluorescence confocal microscopy through scattering media," Appl. Opt. 49, 752-757 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-4-752

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