Synthetic aperture superresolution with multiple off-axis holograms

Vicente Mico, Zeev Zalevsky, Pascuala García-Martínez, Javier García

    Research output: Contribution to journalArticlepeer-review

    219 Scopus citations


    An optical setup to achieve superresolution in microscopy using holographic recording is presented. The technique is based on off-axis illumination of the object and a simple optical image processing stage after the imaging system for the interferometric recording process. The superresolution effect can be obtained either in one step by combining a spatial multiplexing process and an incoherent addition of different holograms or it can be implemented sequentially. Each hologram holds the information of each different frequency bandpass of the object spectrum. We have optically implemented the approach for a low-numerical-aperture commercial microscope objective. The system is simple and robust because the holographic interferometric recording setup is done after the imaging lens.

    Original languageEnglish
    Pages (from-to)3162-3170
    Number of pages9
    JournalJournal of the Optical Society of America A: Optics and Image Science, and Vision
    Issue number12
    StatePublished - Dec 2006


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