Simple holographic projection in color

Michal Makowski, Izabela Ducin, Karol Kakarenko, Jaroslaw Suszek, Maciej Sypek, Andrzej Kolodziejczyk
2012 Optics Express  
Extremely simplified image projection technique based on optical fibers and a single Spatial Light Modulator is presented. Images are formed by addressing the modulator with especially iterated Fourier holograms, precisely aligned on the projection screen using phase factors of lenses and gratings. Focusing is done electronically with no moving parts. Color operation is done by spatial side-by-side division of the area of the modulator. Experimental results are given, showing good image quality
more » ... and excellent resistance to obstructions in the light path. Speckles are suppressed by micro-movements of the screen and by time-averaging of a number of holograms into the final image.
doi:10.1364/oe.20.025130 pmid:23187279 fatcat:sfzifgnstnganihxtgt2sz32da