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2 2002

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Laser polarization visualization and selection of biotissue images

Angelsky O.V., Ushenko A.G., Burkovets D.N., Ushenko Y.A.

Optica Applicata

2002

Vol. 32, nr 4

591-601

This paper is devoted to the analysis and experimental testing of the concept of laser polarization biotissue probing. The methods of increasing the signal-to-noise ratio in coherent images of the optically anisotropic architectonics of the morphological biotissue structure are considered. The possibilities of polarization selection and contrasting of such images screened by other biotissues are examined. The influence of the depolarization degree of the scattered background on the signal -to-noise ratio is investigated. The possibilities of polarization correction of the probing beam for contrasting biotissue images are analyzed.

Automatic polarimetric system for early medical diagnosis by biotissue testing

Jóźwicki R., Patorski K., Angelsky O.V., Ushenko A.G., Burkovets D.N., Ushenko Y.A.

Optica Applicata

2002

Vol. 32, nr 4

603-612

An automatic polarimetric system constructed at the Optical Engineering Division of the Warsaw University of Technology (Poland) and the evaluation method developed at the Department of Correlation Optics of Chernivtsi State University (Ukraine) are presented. The polarimeter has been designed and constructed to test the biotissues in the form of biopsy samples. After the system autocalibration the isocline and isochrome images are registered automatically. Correlation characteristics of the images calculated by the computer program provide the basis for formulating the medical diagnosis.