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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 29, Iss. 20 — Jul. 10, 1990
  • pp: 3007–3011

Dependence of 3-D optical transfer functions on the pinhole radius in a fluorescent confocal optical microscope

Shigeharu Kimura and Chusuke Munakata  »View Author Affiliations


Applied Optics, Vol. 29, Issue 20, pp. 3007-3011 (1990)
http://dx.doi.org/10.1364/AO.29.003007


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Abstract

The resolution of a fluorescent confocal scanning optical microscope (CSOM) is superior to that of a conventional fluorescent optical microscope. To attain this superiority, the fluorescent CSOM uses a pinhole in front of the detector. Thus, the resolution of the CSOM is dependent on the pinhole radius. Three-dimensional optical transfer functions are calculated for the various radii to elucidate this dependence. The results show that a CSOM with a radius smaller than ~1 optical unit has a bandwidth comparable with that of an infinitely small radius.

© 1990 Optical Society of America

History
Original Manuscript: January 17, 1989
Published: July 10, 1990

Citation
Shigeharu Kimura and Chusuke Munakata, "Dependence of 3-D optical transfer functions on the pinhole radius in a fluorescent confocal optical microscope," Appl. Opt. 29, 3007-3011 (1990)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-29-20-3007

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