NASA NTRS · 19920043941
Miniaturized optical correlator
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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Scholl, M. S., Shumate, M. S., Hartman, R. L., Sloan, J. A., Small, D.. 1990-01-01. Miniaturized optical correlator. https://ntrs.nasa.gov/citations/19920043941
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