Twisted light holography

Haoran Ren

doi:10.1117/12.2606377

9 March 2022 Twisted light holography

Haoran Ren

Proceedings Volume PC12017, Complex Light and Optical Forces XVI; PC120170L (2022) https://doi.org/10.1117/12.2606377
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

Metasurface technology has allowed the use of ultrathin optical materials to manipulate the amplitude, phase, and polarization of light, leading to a versatile platform for digitising optical holograms with nanoscale resolution. To date, however, the bandwidth of a metasurface hologram has remained too low for practical use. Recently, twisted light holography was introduced, opening the possibility of storing holographic information in different OAM modes. We present the design and 3D laser nanoprinting of a large-scale complex-amplitude metasurface for ultrahigh-dimensional OAM-multiplexing holography in momentum space. Such a metasurface hologram allows lensless reconstruction of a record high number of 60 independent holographic images.

Conference Presentation

Citation Download Citation

Haoran Ren "Twisted light holography", Proc. SPIE PC12017, Complex Light and Optical Forces XVI, PC120170L (9 March 2022); https://doi.org/10.1117/12.2606377

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