Fluidic adaptive lens with high focal length tunability

Fluidic adaptive lenses with an adjustable focal length over a wide range were demonstrated in this letter. The focal length adjustment was achieved by changing the shape of the fluidic lens without any mechanical moving parts. The shortest focal length demonstrated in such devices is 41 mm, which c...

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Bibliographic Details
Published in:Applied physics letters 2003-05, Vol.82 (19), p.3171-3172
Main Authors: Zhang, De-Ying, Lien, Victor, Berdichevsky, Yevgeny, Choi, Jaehyuck, Lo, Yu-Hwa
Format: Article
Language:English
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Summary:Fluidic adaptive lenses with an adjustable focal length over a wide range were demonstrated in this letter. The focal length adjustment was achieved by changing the shape of the fluidic lens without any mechanical moving parts. The shortest focal length demonstrated in such devices is 41 mm, which corresponds to a large numerical aperture of 0.24 and a small F number of 2.05. The highest resolution measured using a positive standard is 25.39 lp/mm in this fluidic adaptive lens.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.1573337