AI Article Synopsis
- The paper discusses using a phase-only spatial light modulator (SLM) for creating compact, wide field of view projection systems through a foveal imaging technique.
- It explores two SLM configurations: one as a wavefront corrector for compensating aberrations using RGB light, and the other as a diffractive optical element for displaying phase computer-generated holograms with aberration corrections.
- The combined foveal projection system is tested to project virtual images and evaluate its effectiveness in correcting different regions of interest in the field of view.
Article Abstract
This paper shows how a phase only spatial light modulator (SLM) can be used to implement compact, wide field of view (FOV) projection systems, using a foveal imaging approach. The SLM is tested in two different configurations. First, as a wavefront corrector to locally compensate aberrations in wide angle projection, when illuminated by a white (RGB) light source. Second, as re-configurable diffractive optical element (DOE) to display phase computer generated holograms (CGHs) of wide angle images, that include aberration corrections for peripheral regions of interest (ROI) of the output image, when illuminated by a coherent source. Finally, the foveal projection system is coupled with a commercial combiner to project 11° ×4° virtual images at 2~m and assess the foveal correction method on different ROIs in the FOV.
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| http://dx.doi.org/10.1364/OE.451412 | DOI Listing |
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