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Review of Fresnel Incoherent Correlation Holography with linear and non-linear correlations (Invited) [Early Posting]

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摘要

Fresnel incoherent correlation holography (FINCH) is a well-established incoherent imaging technique. In FINCH, three self-interference holograms are recorded with calculated phase differences between the two interfering, differently modulated object waves and projected into a complex hologram. The object is reconstructed without the twin image and bias terms by a numerical Fresnel back propagation of the complex hologram. A modified approach to implement FINCH by a single camera shot by pre-calibrating the system involving recording of the point spread function library and reconstruction by a non-linear cross-correlation has been introduced recently. The expression of the imaging characteristics from the modulation functions in original FINCH and the modified approach by pre-calibration in spatial and polarization multiplexing schemes are reviewed. The study reveals that a reconstructing function completely independent of the function of the phase mask is required for the faithful expression of the characteristics of the modulating function in the image reconstruction. In polarization multiplexing method by cross-correlation, a partial expression was observed, while in spatial multiplexing method by cross-correlation, the imaging characteristics converged towards a uniform behavior.

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作者单位:

    Swinburne University of Technology
    Swinburne University of Technology
    Swinburne University of Technology

引用该论文

VIJAYAKUMAR, A. ,Katkus Tomas,Ng Soon Hock,Juodkazis Saulius. Review of Fresnel Incoherent Correlation Holography with linear and non-linear correlations (Invited)[J].Chinese Optics Letters,2021,19(2):02.