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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 13 — May. 1, 2002
  • pp: 2414–2419

Geometrical tomographic imaging of refractive indices through turbid media by a wavelength-scanning heterodyne interference confocal microscope

Yuuki Watanabe and Ichirou Yamaguchi  »View Author Affiliations


Applied Optics, Vol. 41, Issue 13, pp. 2414-2419 (2002)
http://dx.doi.org/10.1364/AO.41.002414


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Abstract

A wavelength-scanning heterodyne interference confocal microscope has proved to provide the tomographic image of the refractive indices of transparent and turbid media on the scale of geometrical depth when weakly reflected light with an optical power as low as of the order of 10-14 W is used. The refractive indices of the transparent object and the turbid media were measured with accuracies of ∼0.5% and ∼3%, respectively. This imaging method is advantageous for evaluating quantitative refractive indices and internal structures.

© 2002 Optical Society of America

OCIS Codes
(040.2840) Detectors : Heterodyne
(110.6960) Imaging systems : Tomography
(110.7050) Imaging systems : Turbid media
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(180.1790) Microscopy : Confocal microscopy

History
Original Manuscript: September 7, 2001
Revised Manuscript: December 7, 2001
Published: May 1, 2002

Citation
Yuuki Watanabe and Ichirou Yamaguchi, "Geometrical tomographic imaging of refractive indices through turbid media by a wavelength-scanning heterodyne interference confocal microscope," Appl. Opt. 41, 2414-2419 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-13-2414

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