1. Theoretical study of acousto-optical coherence tomography using random phase jumps on ultrasound and light

    Theoretical study of acousto-optical coherence tomography using random phase jumps on ultrasound and light
    Acousto-optical coherence tomography (AOCT) is a variant of acousto-optic imaging (also called ultrasonic modulation imaging) that makes it possible to get the z resolution with acoustic and optic continuous wave beams. We describe here theoretically the AOCT effect, and we show that the acousto-optic “tagged photons” remain coherent if they are generated within a specific z region of the sample. We quantify the z selectivity for both the “tagged photon” field and for the Lesaffre et al. [Opt. Express17, 18211 (2009)10.1364/OE.17.018211] photorefractive signal.
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