Imaging system using frequency modulation/time division multiplexing hybrid reticle

A new frequency modulation/time division multiplexing (FM/TDM) hybrid reticle for an imaging system is proposed. The spinning reticle modulates the pixels contained in one column of scanned image to different frequencies according to their location. An imaging system using the proposed reticle can r...

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Bibliographic Details
Published in:Optical Engineering 1998-07, Vol.37 (7), p.2119-2123
Main Authors: Bae, Jang-Keun, Doh, Yang-Hoi, Noh, Duck-Soo, Kim, Soo-Joong
Format: Article
Language:English
Subjects:
frequency modulation reticle
hybrid reticle
image scanning
infrared imaging
time division reticle
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Summary:A new frequency modulation/time division multiplexing (FM/TDM) hybrid reticle for an imaging system is proposed. The spinning reticle modulates the pixels contained in one column of scanned image to different frequencies according to their location. An imaging system using the proposed reticle can reconstruct a high-resolution 2-D image with the same number of bandpass filters as a FM reticle system. An optical experiment shows that the proposed FM/TDM hybrid reticle can be used as a low-cost imaging system. ©
ISSN:0091-3286
1560-2303
DOI:10.1117/1.601716