Dynamic full-color digital holographic 3D display on single DMD

• Main Authors: Chonglei Zhang, Dongfang Zhang, Zhouping Bian
• Format: Article
• Language: English
• Published: Institue of Optics and Electronics, Chinese Academy of Sciences 2021-03-01
• Series: Opto-Electronic Advances
• Subjects: 3d visualization; digital holographic; super-pixel; digital micro-mirror device
• Online Access: http://www.oejournal.org/article/doi/10.29026/oea.2021.200049

Digital holography has high potentials for future 3D imaging and display technology. We present a method for a dynamic full-color digital holographic 3D display on single digital micro-mirror device (DMD) with full-color, high-speed and high-fidelity characteristics. We combine the square regions of adjacent micro-mirrors into super-pixels that can modulate amplitude and phase independently. Gray images are achieved by amplitude modulation and precise positioning of each color is achieved by phase modulation. The proposed method realizes a full-color imaging based on the three primary colors and achieves measured structural similarity of more than 88% and color similarity of more than 98%, while retaining the high switch speed of 9 kHz, thus achieving dynamic full-color 3D display on charge-coupled device (CCD).