Extended depth-of-focus 3D micro integral imaging display using a bifocal liquid crystal lens

Xin Shen, Yu Jen Wang, Hung Shan Chen, Xiao Xiao, Yi-Hsin Lin, Bahram Javidi*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

59 Scopus citations

Abstract

We present a three dimensional (3D) micro integral imaging display system with extended depth of focus by using a polarized bifocal liquid crystal lens. This lens and other optical components are combined as the relay optical element. The focal length of the relay optical element can be controlled to project an elemental image array in multiple positions with various lenslet image planes, by applying different voltages to the liquid crystal lens. The depth of focus of the proposed system can therefore be extended. The feasibility of our proposed system is experimentally demonstrated. In our experiments, the depth of focus of the display system is extended from 3.82 to 109.43 mm.

Original languageEnglish
Pages (from-to)538-541
Number of pages4
JournalOptics Letters
Volume40
Issue number4
DOIs
StatePublished - 15 Feb 2015

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