Simultaneous strain and coherent imaging using coupled photorefractive holography and shearography through scattering media

Vanessa Rosso; Remy Beland; Sylvain Lecler; Yvon L. M. Renotte; Serge L. Habraken; Yves F. Lion; Paul G. Charette

doi:10.1117/1.2966695

1 July 2008 Simultaneous strain and coherent imaging using coupled photorefractive holography and shearography through scattering media

Vanessa Rosso, Remy Beland, Sylvain Lecler, Yvon L. M. Renotte, Serge L. Habraken, Yves F. Lion, Paul G. Charette

Author Affiliations +

Journal of Biomedical Optics, Vol. 13, Issue 4, 044010 (July 2008). https://doi.org/10.1117/1.2966695

Abstract

The direct simultaneous acquisition of coherent imaging and strain information is of particular importance in the biomechanical characterization of biological tissue. This type of simultaneous information acquisition can be accomplished using a coupled photorefractive holography and shearography system for imaging and strain measurements, respectively. Optical scattering in a conventional speckle shearing interferometer rapidly reduces the contrast of the shearing fringes, thereby limiting the use of such interferometers with opaque surfaces. By coupling photorefractive holography with speckle shearing interferometry, properties of the photorefractive effect (spatial high-pass filtering and temporal low-pass filtering) combine to restore the shearing fringe contrast and enable strain imaging in diffusing media. This effect is demonstrated using synthetic scattering phantoms built from suspensions of silica spheres in water.

©(2008) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Vanessa Rosso, Remy Beland, Sylvain Lecler, Yvon L. M. Renotte, Serge L. Habraken, Yves F. Lion, and Paul G. Charette "Simultaneous strain and coherent imaging using coupled photorefractive holography and shearography through scattering media," Journal of Biomedical Optics 13(4), 044010 (1 July 2008). https://doi.org/10.1117/1.2966695

Published: 1 July 2008

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Cited by 2 scholarly publications and 2 patents.

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KEYWORDS

Scattering

Holograms

Holography

Shearography

Light scattering

Optical spheres

Speckle

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