Three-dimensional/two-dimensional convertible display based on computer-generated holograms and an amplitude-modulated spatial light modulator

Osamu Matoba; Wen-Kai Lin; Fu-Li Hsiao; Chi-Yen Huang; Bor-Shyh Lin; Wei-Chia Su

doi:10.1117/1.OE.57.6.061614

9 April 2018 Three-dimensional/two-dimensional convertible display based on computer-generated holograms and an amplitude-modulated spatial light modulator

Osamu Matoba, Wen-Kai Lin, Fu-Li Hsiao, Chi-Yen Huang, Bor-Shyh Lin, Wei-Chia Su

Author Affiliations +

Optical Engineering, Vol. 57, Issue 6, 061614 (April 2018). https://doi.org/10.1117/1.OE.57.6.061614

Abstract

A three-dimensional/two-dimensional (3-D/2-D) convertible display was proposed. The display system offers 2-D images via the traditional display technology and offers 3-D images via the computer-generated hologram (CGH) technology. In this system, 2-D and 3-D images are generated from the same amplitude-modulated spatial light modulator (SLM). In the 2-D display mode, the panel displays an amplitude-modulated image and the 2-D image is projected on a polarization-dependent diffuser (PD) screen. In the 3-D display mode, the SLM panel displays CGHs to generate 3-D images. The zero-order diffraction of the amplitude-type CGH will be blocked by a spatial filter (SF), which is designed by a polarizer. Furthermore, a liquid crystal element was employed to modulate the polarization state of the reconstructed light to let the 3-D image quality not to be reduced by the PD. Finally, the proposed system can offer 2-D and 3-D images both clearly. The system suppresses the zero-order diffraction noise of the amplitude-type CGH system successfully.

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Osamu Matoba, Wen-Kai Lin, Fu-Li Hsiao, Chi-Yen Huang, Bor-Shyh Lin, and Wei-Chia Su "Three-dimensional/two-dimensional convertible display based on computer-generated holograms and an amplitude-modulated spatial light modulator," Optical Engineering 57(6), 061614 (9 April 2018). https://doi.org/10.1117/1.OE.57.6.061614

Received: 15 November 2017; Accepted: 16 March 2018; Published: 9 April 2018

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