Holographic stereogram printing based on digitally computed content generation platform

摘要

In this paper, we have implemented a 3D content generation simulator based on integration of phase-only spatial lightmodulator (SLM) and LabVIEW software to develop a holographic stereogram printer that consists of a coherent laser, aspatial light modulator and X-Y translation stage with stepper motors. This content generation platform provides encodingof directional information extracted from rendered perspective images of real or virtual 3D object. There are mainly threeparts related to the implementation for holographic stereogram printer. In the first part, “Digital content generation” phaseonlySLM will be applied to the holographic printer system by loading series of perspective 2D images for eachholographic elements (hogel). Regarding this part, phase-only SLM can be converted into an amplitude modulator byadjusting the angles of the polarizer. The second part is “Control system” made in LabVIEW based platform for automaticrecording of the holographic stereograms which is synthesized from previous part. The third implementation part is“Optical system” for printing of parallax-related hogels on the holographic plate. To check the performance of thedeveloped approach, numerical simulations and optical experiments are implemented. The hogel images are sequentiallyexposed using the perspective images to form the whole holographic stereogram on the holographic light sensitive material.