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    Incoherent Spatial-Filtering with A Scanning Heterodyne System

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    Downloads: 713
    Date
    1984-01-01
    Author
    Indebetouw, Guy J.
    Poon, Ting-Chung
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    Abstract
    Imaging systems with two pupils in the receiving optics have been used to synthesize bipolar point spread functions in incoherent image processing. We describe a two-pupil system using a scanning illumination technique and compare its attributes with more conventional techniques. Experimental examples using two-pupil interaction and an acoustooptic frequency offset for the direct 2-D bandpass filtering of diffusely reflecting objects are presented.
    URI
    http://hdl.handle.net/10919/46921
    Collections
    • Scholarly Works, Electrical and Computer Engineering [811]
    • Scholarly Works, Physics [895]

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