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Imaging dark objects with intensity interferometry
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DOI：10.1364/OE.22.012339.png)
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Abstract
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We have developed a technique for imaging dark, i.e. non-radiating, objects by intensity interferometry measurements using a thermal light source in the background. This technique is based on encoding the dark object's profile into the spatial coherence of such light. We demonstrate the image recovery using an adaptive error-minimizing Gerchberg-Saxton algorithm in case of a completely opaque object, and outline the steps for imaging purely refractive objects. (C) 2014 Optical Society of America
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