Comparative analysis of two modalities for speckle contrast monitoring of tissue structure modification

Liana V. Kuznetsova; Stepan S. Baranov; Alexander P. Sviridov; Dmitry A. Zimnyakov

doi:10.1117/12.568562

14 July 2004 Comparative analysis of two modalities for speckle contrast monitoring of tissue structure modification

Liana V. Kuznetsova, Stepan S. Baranov, Alexander P. Sviridov, Dmitry A. Zimnyakov

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Proceedings Volume 5475, Saratov Fall Meeting 2003: Coherent Optics of Ordered and Random Media IV; (2004) https://doi.org/10.1117/12.568562
Event: Saratov Fall Meeting 2003, 2003, Saratov, Russian Federation

Abstract

Two modalities for speckle contrast monitoring of tissue structure modification in the case of diffuse scattered probe light detection is discussed. The first modality is based on the detection of dynamic speckle patterns in the image plane of the image-transferring optical system while the other one is based on speckle detection in the diffraction zone. In the latter case the combination of the image-transferring lens and fiber-optical bundle is used in order to collect the scattered light and to deliver it to the detection unit. Experimental results obtained using both speckle techniques are presented.

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Liana V. Kuznetsova, Stepan S. Baranov, Alexander P. Sviridov, and Dmitry A. Zimnyakov "Comparative analysis of two modalities for speckle contrast monitoring of tissue structure modification", Proc. SPIE 5475, Saratov Fall Meeting 2003: Coherent Optics of Ordered and Random Media IV, (14 July 2004); https://doi.org/10.1117/12.568562

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KEYWORDS

Tissues

Speckle

Cartilage

Laser tissue interaction

Speckle pattern

Diffraction

Fiber optics

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