, Volume 13, Issue 3, pp 299–307 | Cite as

Self-image (autoidolon) techniques for the realisation of optical computing type operations

  • S V Pappu
  • H R Manjunath
Experimental Techniques and Instrumentation


Self-images of a number of spatially periodic (e.g., gratings) and quasiperiodic (e.g., halftone picture) objects have been systematically studied. These studies indicate that self-imaging techniques could be useful in optical computing type operations. It is also established that the Rayleigh relation in the context of self-imaging is quantitatively in error.


Self-image autoidolon optical computing 


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Copyright information

© Indian Academy of Sciences 1979

Authors and Affiliations

  • S V Pappu
    • 1
  • H R Manjunath
    • 1
  1. 1.Department of Electrical Communication EngineeringIndian Institute of ScienceBangalore

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