Polarized optical coherence imaging in turbid media by use of a Zeeman laser
Optics Letters, Vol. 25, Issue 20, pp. 1517-1519 (2000)
http://dx.doi.org/10.1364/OL.25.001517
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Abstract
A method that uses a Zeeman laser in conjunction with a Glan–Thompson analyzer to image an object in a turbid medium is proposed. A heterodyne signal is generated only when the scattering photons are partially polarized, and the spatial coherence is not seriously degraded after the signal propagates in the turbid medium. A system combining polarization discrimination with optical coherence detection to image the object in a scattering medium is successfully demonstrated. The medium is a solution of polystyrene microspheres measuring 1.072 μm in diameter suspended in distilled water contained in a 10-mm-thick quartz cuvette. The advantages of this optical system, including better selectivity of the weak partially polarized scattering photons and better imaging ability in higher-scattering media, are discussed.
© 2000 Optical Society of America
[Optical Society of America ]
OCIS Codes
(170.0110) Medical optics and biotechnology : Imaging systems
(170.1650) Medical optics and biotechnology : Coherence imaging
(170.3660) Medical optics and biotechnology : Light propagation in tissues
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(170.4580) Medical optics and biotechnology : Optical diagnostics for medicine
(170.7050) Medical optics and biotechnology : Turbid media
Citation
C. Chou, L. C. Peng, Y. H. Chou, Y. H. Tang, C. Y. Han, and C. W. Lyu, "Polarized optical coherence imaging in turbid media by use of a Zeeman laser," Opt. Lett. 25, 1517-1519 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-20-1517
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