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Real-time edge-enhanced optical correlation with a cerium-doped potassium sodium strontium barium niobate photorefractive crystal

  • Bao-Lai Liang
  • , Zhao-Qi Wang
  • , Guo-Guang Mu
  • , Jiu-Hong Guan
  • , Hong-Li Liu
  • , Colin M. Cartwright

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The nonlinear diffraction property of a volume grating written by two-wave mixing in a cerium-doped potassium sodium strontium barium niobate crystal is applied in a coherent image processing system to obtain real-time image edge enhancement as well as edge-enhanced optical correlation. The theoretical analysis of the correlator is given, and the experimental results of optical correlation are presented, which are compared with the computer-simulated results.
    Original languageEnglish
    Pages (from-to)2925-2930
    Number of pages6
    JournalApplied Optics
    Volume39
    Issue number17
    DOIs
    Publication statusPublished - 2000

    Keywords

    • Optics

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