Ultra Wide-Angle Eyepiece for a virtual Reality Display
J. Brian Caldwell
Virtual reality displays typically consist of two image sources with suitable collimating optics (eyepieces) all packaged in a head mount. To keep the package as small as possible, it is necessary to keep the collimating optics very compact while maintaining adequate image quality. The optics should also cover as wide a field as possible to help create a sense of total immersion in the virtual environment. Yet another requirement is to keep the pupil size as large as possible to accommodate eye rotation and reduce mounting tolerances.
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