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21 May 2018 Augmented reality display system for smart glasses with streamlined form factor
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Abstract
A smart glass augmented reality (AR) display system is designed with a streamlined form factor featuring an off-axis mirror design. The main component of the combiner optics is in the shape of a regular pair of eyeglasses or sunglasses, with no diffractive gratings, waveguides (lightguides), prisms or Fresnel surfaces involved. High quality see-through performance is achieved with a low-cost combiner that consists of only highly manufacturable reflective surfaces. The 20-degree full field of view of the AR display is centered at about 30 degrees with respect to the center of the ocular vision. Such a design allows the user to have a clear unobscured central field of view. At the same time, the projected image is accessible by moving the eyeball off the central vision. The system is designed with a circular eye box with more than 10 mm in diameter.
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Samuel Steven, Yang Zhao, Greg Schmidt, Julie Bentley, and Duncan Moore "Augmented reality display system for smart glasses with streamlined form factor", Proc. SPIE 10676, Digital Optics for Immersive Displays, 106761I (21 May 2018); https://doi.org/10.1117/12.2315756
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