13 May 2015 Cutting the cord: toward wireless optical intensity interferometry
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Intensity interferometry, which was first used for obtaining ultra—high-resolution image information in astronomy in the 1960's and 1970's, is now being revived using modern detectors and electronics. This paper explores the possibility of wireless optical interferometry made possible by technological advancements in timing correlation, signal processing, and detector technology. If this can be achieved, then baselines of one to several kilometers may be possible in optical interferometry in the coming years. This would improve the resolution over the current generation of amplitude-based optical interferometers by a factor of at least ten.
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Elliott P. Horch, Elliott P. Horch, "Cutting the cord: toward wireless optical intensity interferometry", Proc. SPIE 9492, Advanced Photon Counting Techniques IX, 949202 (13 May 2015); doi: 10.1117/12.2179146; https://doi.org/10.1117/12.2179146

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