Design of a See-through Off-Axis Head-Mounted-Display Optical System with an Ellipsoidal Surface

A new method to design a see-through off-axis head-mounted-display (OA-HMD) optical system with an ellipsoidal surface is proposed, in which a tilted ellipsoidal surface is used as the combiner, which yields the benefits of easier fabrication and testing compared to a freeform surface. Moreover, we...

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Veröffentlicht in:Current optics and photonics 2018, Vol.2 (3), p.280-285
Hauptverfasser: Wang, Junhua, Zhou, Qing, Chen, Jie, Hou, Lexin, Xu, Min
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container_title Current optics and photonics
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creator Wang, Junhua
Zhou, Qing
Chen, Jie
Hou, Lexin
Xu, Min
description A new method to design a see-through off-axis head-mounted-display (OA-HMD) optical system with an ellipsoidal surface is proposed, in which a tilted ellipsoidal surface is used as the combiner, which yields the benefits of easier fabrication and testing compared to a freeform surface. Moreover, we realize a coaxial structure in the relay lens group, which is simple and has looser tolerance requirements, thus making assembly easier. The OA-HMD optical system we realize has a simple structure and consists of a combiner and 7 pieces of coaxial relay lenses. It has a $48^{\circ}{\times}36^{\circ}$ field of view (FOV) and 12-mm exit pupil diameter.
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title Design of a See-through Off-Axis Head-Mounted-Display Optical System with an Ellipsoidal Surface
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