Divided-aperture technique for fluorescence confocal microscopy through scattering media
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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