Deep and optically resolved imaging through scattering media by space-reversed propagation

Wilfried Glastre 1, * Olivier Jacquin 1 Olivier Hugon 1 Hugues Guillet de Chatellus 1 Eric Lacot 2
* Corresponding author
1 OPTIMA
LIPhy - Laboratoire Interdisciplinaire de Physique [Saint Martin d’Hères]
2 LIPhy-OPTIMA
LIPhy - Laboratoire Interdisciplinaire de Physique [Saint Martin d’Hères]
Abstract : We propose a novel technique of microscopy to overcome the effects of both scattering and limitation of the accessible depth due to the objective working distance. By combining Laser Optical Feedback Imaging (LOFI) with Acoustic Photon Taging (APT) and Synthetic Aperture (SA) refocusing we demonstrate an ultimate shot noise sensitivity at low power (required to preserve the tissues) and a high resolution beyond the microscope working distance. More precisely, with a laser power of 10mW, we obtain images with a micrometric resolution over ~8 transport mean free paths, corresponding to 1.3 times the microscope working distance. Various applications such as biomedical diagnosis, research and development of new drugs and therapies can benefit from our imaging setup.
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Submitted on : Sunday, December 16, 2012 - 10:31:47 AM
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  • HAL Id : hal-00752436, version 2
  • ARXIV : 1212.4256

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Wilfried Glastre, Olivier Jacquin, Olivier Hugon, Hugues Guillet de Chatellus, Eric Lacot. Deep and optically resolved imaging through scattering media by space-reversed propagation. Optics Letters, Optical Society of America, 2012, 37 (23), pp.4823-4825. ⟨hal-00752436v2⟩

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