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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 18, Iss. 11 — Nov. 1, 2001
  • pp: 1695–1700

Simulation of confocal microscopy through scattering media with and without time gating

Marcus Magnor, Peter Dorn, and Wolfgang Rudolph  »View Author Affiliations


JOSA B, Vol. 18, Issue 11, pp. 1695-1700 (2001)
http://dx.doi.org/10.1364/JOSAB.18.001695


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Abstract

An efficient and fast simulation technique is presented to calculate characteristic features of confocal imaging through scattering media. The simulation can predict the time-resolved confocal response to pulsed illumination that allows optimizing of imaging contrast when time-gating techniques are applied. Modest computational effort is sufficient to obtain contrast predictions for arbitrary numerical aperture, focus depth, pinhole size, and scattering density, while the simulation accuracy is independent of scattering density and pinhole size. In the case of isotropic scattering, our results indicate that reflection-mode confocal imaging through scattering media is limited to μd3.5 optical thicknesses for continuous-wave illumination. If time-gating is applied, imaging through scattering densities of μd8 is theoretically possible.

© 2001 Optical Society of America

OCIS Codes
(170.1790) Medical optics and biotechnology : Confocal microscopy
(170.3660) Medical optics and biotechnology : Light propagation in tissues
(170.6920) Medical optics and biotechnology : Time-resolved imaging
(290.4210) Scattering : Multiple scattering
(290.7050) Scattering : Turbid media
(320.7100) Ultrafast optics : Ultrafast measurements

Citation
Marcus Magnor, Peter Dorn, and Wolfgang Rudolph, "Simulation of confocal microscopy through scattering media with and without time gating," J. Opt. Soc. Am. B 18, 1695-1700 (2001)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-18-11-1695

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