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Proceedings Article

A holographic display system based on DMD using LED as light source

[+] Author Affiliations
Ping Su, Bingchao Cheng, Jianshe Ma, Liangcai Cao

Tsinghua Univ. (China)

Wenbo Cao

Ningbo Univ. (China)

Proc. SPIE 9970, Optics and Photonics for Information Processing X, 99700B (September 14, 2016); doi:10.1117/12.2236761
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From Conference Volume 9970

  • Optics and Photonics for Information Processing X
  • Khan M. Iftekharuddin; Abdul A. S. Awwal; Mireya García Vázquez; Andrés Márquez; Mohammad A. Matin
  • San Diego, California, United States | August 28, 2016

abstract

Digital Micro-mirror Device (DMD) is an important tool in holographic display owning high-speed refresh rate and good diffraction efficiency. However, the reconstruction light source has great impact to image quality. A new holographic display system based on DMD for using light-emitting diodes (LEDs), is proposed in this paper. LEDs are chosen as light source to replace the laser, since it can reduce the speckle noise effectively, which is caused by both temporal and spatial coherence of laser. In order to solve the problem using LED as DMD holographic display light source, the characteristics of DMD as the display device for holographic displays are studied. An aspheric collimator for LED is used to improve the optical efficiency. A spatial filter is used to improve the coherence. The experimental results show that this lighting system has a good display quality. © (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Ping Su ; Bingchao Cheng ; Wenbo Cao ; Jianshe Ma and Liangcai Cao
" A holographic display system based on DMD using LED as light source ", Proc. SPIE 9970, Optics and Photonics for Information Processing X, 99700B (September 14, 2016); doi:10.1117/12.2236761; http://dx.doi.org/10.1117/12.2236761


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