3D display prototype enabled by a new Fresnel hologram algorithm

ORAL

Abstract

The tunable absorption/emission profiles of quantum dots combined with local excitation due to two photon absorption provides many exciting opportunities for applications such as displays. Here, we present a 3D holographic display prototype exploiting a novel holographic approach by exciting a quantum dot solution at multiple planes simultaneously. We developed a computer generated hologram algorithm [2] which can generate a single Fresnel hologram, capable of projecting multi-plane images. The resulting 3D image is of high-quality and low cross-talk. The algorithm utilizes both iterative Fourier transform algorithms and Fresnel holography in a combined strategy. In experiments, we used a femtosecond fiber laser to excite the solution which have absorption/emission peaks around 400/610 nm. We used the algorithm to optically reconstruct 6 well-separated points in 3D to create a helix with dimensions of 3 x 3 x 15 mm. This approach is promising for dynamic 3D displays with high frame rate and contrast. Results are scalable to real-time calculation, provide full focal control and are achieved with a single spatial light modulator.
[1] O. Tokel et al., S6.4 of Nat. Photonics 11, 639–645 (2017).

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Presenters

  • Denizhan Kesim

    Department of Physics, Bilkent University, Electrical Electronics Engineering, Bilkent University

Authors

  • Denizhan Kesim

    Department of Physics, Bilkent University, Electrical Electronics Engineering, Bilkent University

  • Ghaith Makey

    Bilkent Univ, Department of Physics, Bilkent University, Bilkent University, Physics, Bilkent University

  • Ozgun Yavuz

    Bilkent Univ, Department of Physics, Bilkent University, Bilkent University, Electrical Electronics Engineering, Bilkent University

  • Ahmet Turnali

    Department of Physics, Bilkent University, Electrical and Electronics Engineering, Bilkent University, Physics, Bilkent University, Electrical Electronics Engineering, Bilkent University

  • Serim Ilday

    Bilkent Univ, Department of Physics, Bilkent University, Physics, Bilkent University, Bilkent University

  • Onur Tokel

    Bilkent Univ, Department of Physics, Bilkent University, Physics, Bilkent University, Bilkent University

  • Fatih Ilday

    Bilkent Univ, Department of Physics, Bilkent University, Electrical and Electronics Engineering, Bilkent University, Physics, Bilkent University, Bilkent University, Electrical Electronics Engineering, Bilkent University