Use of finite light sources to develop continuous-phase visual optics

Jyun Jie Sie; Yu Ju Liu; Chih Tsung Chang; En Hung Lin; Po Lei Lee; Kuo Kai Shyu

doi:10.1109/JPHOT.2012.2232650

Use of finite light sources to develop continuous-phase visual optics

Jyun Jie Sie, Yu Ju Liu, Chih Tsung Chang, En Hung Lin, Po Lei Lee, Kuo Kai Shyu

Department of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Visual optics for brain-computer interfaces (BCIs) has undergone several developments. Currently, visual optics only provides multiple single-light sources, which limit its applications. This study uses several single-light sources to achieve continuous-phase visual optics. This is combined with a liquid-crystal display (LCD) panel to develop an interactive instrument. Although light synthesis is a nonlinear process, the nonlinear problem is solved by increasing the number of light sources. The measurement data confirm that the phase is approximately linear. This interactive instrument is useful in the biomedical engineering field because it predicts user gaze location.

Original language	English
Article number	6387665
Pages (from-to)	2326-2332
Number of pages	7
Journal	IEEE Photonics Journal
Volume	4
Issue number	6
DOIs	https://doi.org/10.1109/JPHOT.2012.2232650
State	Published - 2012

Keywords

biomedical engineering
brain-computer interface (BCI)
continuous phase
Visual optics

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10.1109/JPHOT.2012.2232650

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AU - Liu, Yu Ju

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AU - Lee, Po Lei

AU - Shyu, Kuo Kai

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Use of finite light sources to develop continuous-phase visual optics

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Keywords

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