Micrometre-resolution, optical imaging of objects through highly scattering media using a heterodyne detector array

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© IEE
Published 14/07/2012

Abstract

A novel technique based on the antenna properties of a two-dimensional heterodyne detector array and the micrometre resolution capability of a modified microscope is proposed for the real-time optical imaging of objects hidden in a highly scattering medium. Objects 50 µm-wide were distinctly imaged through a 2 cm-thick highly scattering media.

Inspec keywords: demodulation; optical modulation; image sensors; medical image processing; light scattering; laser beam applications; optical microscopy; photodetectors

Other keywords: highly scattering media; antenna properties; real-time optical imaging; 50 micron; turbid media; modified microscope; two-dimensional detector array; micrometre resolution; heterodyne detector array

Subjects: Laser applications; Optical microscopy; Microwaves and other electromagnetic waves (medical uses); Optical information, image and video signal processing; Patient diagnostic methods and instrumentation; Image sensors; Radiation and radioactivity applications in biomedicine

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