Coherent Illumination-direction-multiplexing dual-space and Fourier ptychographic microscopy

Hira Farooq, Sueli Skinner-Ramos, Hawra Alghasham, A. A. Bernussi, Luis Grave de Peralta

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


We present a variation of the dual-space and Fourier ptychographic algorithms adapted for imaging samples simultaneously illuminated by multiple beams coherent with each other. The modified algorithms were successfully tested using the light diffracted by a Ronchi-ruling as the source of illumination. High-resolution images with a resolution better than the Rayleigh resolution limit were demonstrated.

Original languageEnglish
Pages (from-to)868-878
Number of pages11
JournalJournal of Modern Optics
Issue number8
StatePublished - May 4 2019


  • Coherent illumination direction Multiplexing (IDM)
  • Moiré patterns


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