Liquid Crystal Microlens Driven by Two Voltages

A liquid crystal microlens driven by two voltages are reported. The two voltages cooperate to build up an axially symmetrical but spatially nonuniform electric field in a liquid crystal layer in the cell. One of the voltages remain unchanged biasing the reorientation of the liquid crystal directors...

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Bibliographic Details
Published in:Molecular crystals and liquid crystals (Philadelphia, Pa. : 2003) Pa. : 2003), 2008-01, Vol.480 (1), p.31-35
Main Authors: Ye, Mao, Sakamoto, Tomoyuki, Kawamura, Marenori, Yamaguchi, Rumiko, Sato, Susumu
Format: Article
Language:English
Subjects:
focal length
liquid crystal microlens
two-voltage driving
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Summary:A liquid crystal microlens driven by two voltages are reported. The two voltages cooperate to build up an axially symmetrical but spatially nonuniform electric field in a liquid crystal layer in the cell. One of the voltages remain unchanged biasing the reorientation of the liquid crystal directors outside the lens area, while the other one varies to adjust the gradient of the electric field in the lens area of the liquid crystal layer, and hence the properties of the lens. The focal length of the microlens increases monotonically with controlling voltage.
ISSN:1542-1406
1563-5287
1543-5318
DOI:10.1080/15421400701821408