Open AccessAccurate compressed look up table method for CGH in 3D holographic display
Author(s) -
Chuan Gao,
Juan Liu,
Xin Li,
Gaolei Xue,
Jia Jia,
Yongtian Wang
Publication year - 2015
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.23.033194
Subject(s) - lookup table , holography , computer science , holographic display , computation , table (database) , optics , fresnel diffraction , stereo display , focus (optics) , computer generated holography , computer graphics (images) , transmission (telecommunications) , digital holography , diffraction , algorithm , physics , telecommunications , data mining , programming language
Computer generated hologram (CGH) should be obtained with high accuracy and high speed in 3D holographic display, and most researches focus on the high speed. In this paper, a simple and effective computation method for CGH is proposed based on Fresnel diffraction theory and look up table. Numerical simulations and optical experiments are performed to demonstrate its feasibility. The proposed method can obtain more accurate reconstructed images with lower memory usage compared with split look up table method and compressed look up table method without sacrificing the computational speed in holograms generation, so it is called accurate compressed look up table method (AC-LUT). It is believed that AC-LUT method is an effective method to calculate the CGH of 3D objects for real-time 3D holographic display where the huge information data is required, and it could provide fast and accurate digital transmission in various dynamic optical fields in the future.