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Related Experiment Videos

Single-pixel digital holography with phase-encoded illumination.

Lluís Martínez-León, Pere Clemente, Yutaka Mori

    Optics Express
    |April 7, 2017
    PubMed
    Summary

    This study introduces digital holography with phase-structured illumination for imaging complex objects. The novel method successfully reconstructs object phase information, even through scattering media.

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    Area of Science:

    • Optics and Photonics
    • Digital Holography
    • Image Reconstruction

    Background:

    • Digital holography typically requires complex detection schemes.
    • Imaging through scattering media remains a significant challenge in optics.

    Purpose of the Study:

    • To demonstrate a novel digital holography technique for imaging complex amplitude objects.
    • To develop a reconstruction algorithm capable of retrieving phase information using bucket detection.
    • To explore the system's applicability for transmitting object information through scattering media.

    Main Methods:

    • Utilizing phase-structured illumination generated by a liquid-crystal spatial light modulator.
    • Employing a bucket detector to record sequential irradiance fluctuations.
    • Implementing a reconstruction algorithm to retrieve phase information from photocurrent measurements.

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  • Codifying sampling functions onto the reference beam for non-local object sampling.

    • Main Results:

    • Successful imaging of complex amplitude objects was achieved.
    • The reconstruction algorithm effectively retrieved unknown phase information.
    • Demonstrated the capability of transmitting object information through scattering media.
    • Showcased the flexibility of non-local object sampling by encoding onto the reference beam.

    Conclusions:

    • Phase-structured illumination and bucket detection offer a viable approach for digital holography.
    • The developed system provides a robust method for phase retrieval and imaging through scattering media.
    • The technique holds potential for applications requiring robust object information transmission.