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Imaging in turbid media by a new method based on a selective feedback in a microchip Laser

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Abstract

Imaging of biological tissues1 provides important information for diagnosis. Several techniques have been developed like homodyne scanning confocal microscopy2, heterodyne laser microscopy, optical coherence tomography or time resolved experiments including time resolved holography. Techniques based on imaging with ballistic photons are limited by the rapid decrease of the intensity retrodiffused when the depth increases and are usually limited to a few millimeters for biological tissues.

© 1998 IEEE

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