Abstract

We describe a new method for imaging in three-dimensional turbid media, laser optical feedback tomography. This technique is based on the resonant sensitivity of a short-cavity laser to frequency-shifted optical feedback from ballistic photons retrodiffused from the medium. The advantage of the method is that the detector is the laser source itself, which provides optical amplification with self-aligned spatial and temporal coherent detection.

© 1999 Optical Society of America

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