27 December 1990 Miniaturized optical correlator
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Abstract
A robust optical correlator that is a miniaturized version of the classic Vander-Lugt correlator is developed. The correlator consists of a simple diode laser for illumination and a CMOS photodetector to detect the correlation peak. A set of roof prisms is configured to fold the light path into a compact design. A holographic plate is used for storing the matched filter. This correlator is particularly applicable to docking autonomous vehicles near a predesignated landing mark. This miniature optical correlator is described in terms of its functional performance.
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Marija Strojnik, Marija Strojnik, Michael S. Shumate, Michael S. Shumate, Richard L. Hartman, Richard L. Hartman, Jeffrey A. Sloan, Jeffrey A. Sloan, Donald W. Small, Donald W. Small, } "Miniaturized optical correlator", Proc. SPIE 1347, Optical Information Processing Systems and Architectures II, (27 December 1990); doi: 10.1117/12.23408; https://doi.org/10.1117/12.23408
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