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Application of the ImSyn processor to acoustic tomography

Diffraction tomography for medical ultrasound imaging provides increased resolution over conventional pulse-echo ultrasound. This paper describes the generation of ultrasound tomographic images using the Essex ImSynTM optical processor. Capabilities include spatial resolutions to as fine as one quarter of the sensing wavelength and a high dynamic range of up to 80 dB. The magnification, field of view, and dynamic range are electronically controllable. High resolution images of an experimental test structure are presented.