Spatial-temporal phase demodulation decoding superimposed ghost reflections in optical testing

  • Sotero Ordones (Creator)
  • Jae Hyeung Park (Creator)
  • Henry Quach (Creator)
  • Daewook Kim (Creator)
  • Heejoo Choi (Creator)



We introduce a method of phase demodulation to distinguish the ghost reflection commonly observed in optical testing. The method digitally processes a sequence of fringe patterns to separate the reflections from the front and rear surfaces. First, we us...
Date made available2022
PublisherOptica Publishing Group

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