Fast and efficient way of eye box measurement using wide field-of-view lens for augmented reality waveguides

Thomas Kerst; Mohammad Bitarafan; Laura Jokinen; Ilkka Alasaarela; Seppo Tillanen; David Zautasvili; Nikhil Pachhandara

doi:10.1117/12.2646469

16 March 2023 Fast and efficient way of eye box measurement using wide field-of-view lens for augmented reality waveguides

Thomas Kerst, Mohammad Bitarafan, Laura Jokinen, Ilkka Alasaarela, Seppo Tillanen, David Zautasvili, Nikhil Pachhandara

Author Affiliations +

Proceedings Volume 12449, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) IV; 124490K (2023) https://doi.org/10.1117/12.2646469
Event: SPIE AR | VR | MR, 2023, San Francisco, California, United States

Abstract

We present a method to rapidly and accurately measure the eye box of Augmented Reality (AR) and Virtual Reality (VR) eyewear. We demonstrate that this rapid method measures the eye box with a fidelity comparable to slower, traditional methods. The presented rapid method uses a lens that mimics the human eye in core aspects like pupil position, pupil size and field of view to get an impression of the eyewear performance as it appears to a human user with single image capture. By combining as few as three such image captures with such a lens, one can rapidly and accurately measure the entire eye box geometry of any given AR or VR eyewear. We further demonstrate the advantages of adopting this new method by referencing the display metrology industry, where this method has already been adopted as the new metrology standard.

Conference Presentation

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Thomas Kerst, Mohammad Bitarafan, Laura Jokinen, Ilkka Alasaarela, Seppo Tillanen, David Zautasvili, and Nikhil Pachhandara "Fast and efficient way of eye box measurement using wide field-of-view lens for augmented reality waveguides", Proc. SPIE 12449, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) IV, 124490K (16 March 2023); https://doi.org/10.1117/12.2646469

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