Method and system thereof for producing digital holographic screen based on multi-hogel printing

A system of producing a digital holographic screen based on multi-hogel printing, the system comprising:

• a light source unit comprising lasers (1), a dichroic mirror (6) for RGB three color matching, mirrors (6), a beam splitter (3), and an optical shutter (2);
• an object beam unit configured to convert one beam of two beams, emitting from the light source unit, into an object beam or a signal beam, and comprise a spatial filter (10), a lens (5), and a mirror (6);
• a reference beam unit configured to convert the other beam of the two beams, emitting from the light source unit, into a reference beam, and comprise a spatial filter (10), a lens (5), and a mirror (6);
• a diffuser fixing unit comprising a diffuser holder and a diffuser (8) positioned between the object beam unit and a recording material and configured to scatter and diffuse the object beam;
• a photomask movement unit comprising a photomask holder, an XY-translation stage (7), and a photomask (4) positioned between the reference beam unit and the recording medium and on which a grid-shaped on/off binary pattern is printed;
• and
• a controller configured to control the optical shutter (2) and the XY-translation stage (7).