1. Articles from Emilie Benoit a la Guillaume

    1-2 of 2
    1. High-resolution handheld rigid endomicroscope based on full-field optical coherence tomography

      High-resolution handheld rigid endomicroscope based on full-field optical coherence tomography

      Full-field optical coherence tomography (FF-OCT) is a powerful tool for nondestructive assessment of biological tissue, i.e., for the structural examination of tissue in depth at a cellular resolution. Mostly known as a microscopy device for ex vivo analysis, FF-OCT has also been adapted to endoscopy setups since it shows good potential for in situ cancer diagnosis and biopsy guidance. Nevertheless, all the attempts to perform endoscopic FF-OCT imaging did not go beyond lab setups. We describe here, to the best of our knowledge, the first handheld FF-OCT endoscope based on a tandem interferometry assembly using incoherent illumination. A common-path ...

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    2. Acousto-optical coherence tomography with a digital holographic detection scheme

      Acousto-optical coherence tomography with a digital holographic detection scheme

      Acousto-optical coherence tomography (AOCT) consists in using random phase jumps on ultrasound and light to achieve a millimeter resolution when imaging thick scattering media. We combined this technique with heterodyne off-axis digital holography. Two-dimensional images of absorbing objects embedded in scattering phantoms are obtained with a good signal-to-noise ratio. We study the impact of the phase modulation characteristics on the amplitude of the acousto-optic signal and on the contrast and apparent size of the absorbing inclusion.

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    1-2 of 2
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  2. Topics in the News

    1. (2 articles) ESPCI ParisTech
    2. (1 articles) Université Pierre et Marie Curie
    3. (1 articles) Fabrice Harms
    4. (1 articles) Claude Boccara
    5. (1 articles) LLTech
    6. (1 articles) University of Illinois at Urbana-Champaign
    7. (1 articles) Duke University
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