P‐219L:  Late‐News Poster : A Digitally Switchable Multi‐focal lens Using Freeform Optics for Wearable Displays | Zendy

Wang Xuan | Zendy; Qin Yi | Zendy; Hua Hong | Zendy

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P‐219L: Late‐News Poster : A Digitally Switchable Multi‐focal lens Using Freeform Optics for Wearable Displays

Author(s) -

Wang Xuan,

Qin Yi,

Hua Hong

Publication year - 2017

Publication title -

sid symposium digest of technical papers

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.351

H-Index - 44

eISSN - 2168-0159

pISSN - 0097-966X

DOI - 10.1002/sdtp.11957

Subject(s) - lens (geology) , focal length , spatial light modulator , computer science , optics , wearable computer , multiplexing , computer hardware , optical path , computer graphics (images) , physics , embedded system , telecommunications

We present the design of a new switchable multi‐focal lens which consists of a freeform lens and a programmable spatial light modulator (SLM). By rapidly switching the input light path through different segments of the freeform lens with the programmable SLM, multiple foci are created in a time‐multiplexed fashion. While the proposed multi‐focal lens method can have a broad range of applications in imaging and display systems, we experimentally demonstrate a proof of concept prototype for an imaging system.

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