Conical holographic display to expand the vertical field of view

Zhenxing Zhou, Jun Wang, Yang Wu, Fengming Jin, Zekun Zhang, Yifan Ma, Ni Chen

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Recently, cylindrical holographic display technology as a 360-degree display technology has attracted much attention. However, all the studies are based on the field of view (FOV) in the azimuth direction, and the issue of FOV in the vertical direction has never been discussed. In this paper, a new holographic display is proposed to expand the vertical FOV by a conical holographic diffraction model, in which the object plane is the outer cylinder and the observation plane is a part of the cone. In this proposed method, the proposed diffraction model is firstly established by the Rayleigh-Sommerfeld diffraction formula, and then the convolution and FFT are used for a fast diffraction calculation. The correctness and effectiveness of our proposed method are verified by the simulation of Young's interference and the numerical reconstructions from the complex amplitude and encoded holograms, respectively. In addition, an accurate relationship between the conical inclination angle and the vertical FOV expansion is analyzed, and the simulation results show that our proposed method can significantly expand the vertical FOV by 0.4 of the original object. Therefore, the issue of the vertical FOV in cylindrical holography is deeply discussed and successfully addressed for the first time.
Original languageEnglish (US)
Pages (from-to)22931
JournalOptics Express
Issue number15
StatePublished - Jul 6 2021

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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