Title

Digitally Switchable Multi-Focal Lens Using Freeform Optics

Abstract

Optical technologies offering electrically tunable optical power have found a broad range of applications, from head-mounted displays for virtual and augmented reality applications to microscopy. In this paper, we present a novel design and prototype of a digitally switchable multi-focal lens (MFL) that offers the capability of rapidly switching the optical power of the system among multiple foci. It consists of a freeform singlet and a customized programmable optical shutter array (POSA). Time-multiplexed multiple foci can be obtained by electrically controlling the POSA to switch the light path through different segments of the freeform singlet rapidly. While this method can be applied to a broad range of imaging and display systems, we experimentally demonstrate a proof-of-concept prototype for a multi-foci imaging system.

Publication Date

4-16-2018

Publication Title

Optics Express

Volume

26

Issue

8

Number of Pages

11007-11017

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/OE.26.011007

Socpus ID

85045740839 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85045740839

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