Method and system for electro holographic display with a zero-order diffraction suppression

摘要

Electro- holographic display system 300 and 700, the coherent illuminant 330, 730 and coherent the spatial optical modulator which modulates the Cori mate light beam (SLM) forms 320, 720 and the hologram data, the aforementioned coherent modulates the Cori mate light beam making use of the aforementioned hologram data, in order the description above to control zero next components of the light beam which is modulated on the picture surface where the holographic picture is formed, the processor and the driver unit includes 310 which impress appropriate voltage in the pixel the description above SLM and 710. The aforementioned processor and driver unit, in order in the pixel of the 1st group, to make phase shift of 180 degrees the 1st part of the aforementioned Cori mate light beam offer vis-a-vis the part of the aforementioned Cori mate light beam which is modulated by the pixel of the 2nd group, the description above control zero next components of the light beam which is modulated by selecting the voltage which is impressed in the pixel the description above SLM.