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Proceedings Paper

Large field-of-view and high resolution free-form head-mounted display
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Paper Abstract

It is challenging to design a large field of view (FOV) and low F-number optical system, especially an eyepiece for head-mounted displays (HMD), which also demands compactness in size, lightness in weight and a large exit pupil distance. In this paper, we describe a novel design of a wide FOV free-form eyepiece by tiling multiple wedge-shaped free-form prisms. We compared our tiling method using the novel free-form prism eyepieces with a traditional tiling approach and the drawbacks of the traditional tiling method are analyzed. We further present a successive approximation method for designing a freeform surface and compare the accuracy of several surface conversion methods. An example design was also demonstrated.

Paper Details

Date Published: 2 September 2010
PDF: 12 pages
Proc. SPIE 7652, International Optical Design Conference 2010, 76520D (2 September 2010); doi: 10.1117/12.871005
Show Author Affiliations
Dewen Cheng, Beijing Institute of Technology (China)
College of Optical Sciences, The Univ. of Arizona (United States)
Yongtian Wang, Beijing Institute of Technology (China)
Hong Hua, College of Optical Sciences, The Univ. of Arizona (United States)

Published in SPIE Proceedings Vol. 7652:
International Optical Design Conference 2010
Julie Bentley; Anurag Gupta; Richard N. Youngworth, Editor(s)

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