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      Digital Fourier optics

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      Author
      Haldun M. Özaktaş
      Miller, D. A. B.
      Date
      1996-03-10
      Source Title
      Applied Optics
      Print ISSN
      1559-128X
      Electronic ISSN
      2155-3165
      Publisher
      Optical Society of America
      Volume
      35
      Issue
      8
      Pages
      1212 - 1219
      Language
      English
      Type
      Article
      Item Usage Stats
      117
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      Abstract
      Analog Fourier optical processing systems can perform important classes of signal processing operations in parallel, but suffer from limited accuracy. Digital–optical equivalents of such systems could be built that share many features of the analog systems while allowing greater accuracy. We show that the digital equivalent of any system consisting of an arbitrary number of lenses, filters, spatial light modulators, and sections of free space can be constructed. There are many possible applications for such systems as well as many alternative technologies for constructing them; this paper stresses the potential of free-space interconnected active-device-plane-based optoelectronic architectures as a digital signal processing environment. Implementation of the active-device planes through hybridization of optoelectronic components with silicon electronics should allow the realization of systems whose performance exceeds that of purely electronic systems.
      Keywords
      Fast Fourier transforms
      Fractional Fourier transforms
      Image processing
      Light beams
      Optical devices
      Optical systems
      Permalink
      http://hdl.handle.net/11693/10795
      Published Version (Please cite this version)
      http://dx.doi.org/10.1364/AO.35.001212
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      • Department of Electrical and Electronics Engineering 3524
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