Abstract

A microfluidic device that operates as a set of two adaptive cylindrical lenses focusing light along two orthogonal axes is designed, fabricated and characterized. The device is made out of a silicon elastomer, polydimethylsiloxane, using soft lithography, and consists of a few chambers separated by flexible membranes and filled with liquids of different refractive indices. The cylindrical lenses can be both converging and diverging; their focal lengths are varied independently and continuously adjusted between -40 and 23 mm by setting pressure in the chambers. Applications of the device to shaping of a laser beam, imaging and optical signal processing are demonstrated.

© 2005 Optical Society of America

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    [CrossRef]
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    [CrossRef]
  15. M. A. Unger, H. P. Chou, T. Thorsen, A. Scherer, and S. R. Quake, "Monolithic microfabricated valves and pumps by multilayer Soft lithography," Science 288, 113-116 (2000).
    [CrossRef]
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    [CrossRef]

Angewandte Chemie-International Edition (1)

Y. N. Xia and G. M. Whitesides, "Soft lithography," Angewandte Chemie-International Edition 37, 550-575 (1998).

Appl. Opt. (1)

Appl. Phys. Lett. (4)

T. Krupenkin, S. Yang, and P. Mach, "Tunable liquid microlens," Appl. Phys. Lett. 82, 316-318 (2003).
[CrossRef]

S. Kuiper and B. H. W. Hendriks, "Variable-focus liquid lens for miniature cameras" Appl. Phys. Lett. 85, 1128-1130 (2004).
[CrossRef]

D. Y. Zhang, V. Lien, Y. Berdichevsky, J. Choi, and Y. H. Lo, "Fluidic adaptive lens with high focal length tunability," Appl. Phys. Lett. 82, 3171-3173 (2003).
[CrossRef]

D. Y. Zhang, N. Justis, and Y. H. Lo, D. Y. Zhang, N. Justis, and Y. H. Lo, "Fluidic adaptive lens of transformable lens type," Appl. Phys. Lett. 84, 4194-4196 (2004).," Appl. Phys. Lett. 84, 4194-4196 (2004).
[CrossRef]

J. Acous. Soc. Am. (1)

G. C. Knollman, J. L. S. Bellin, and J. L. Weaver, "Variable-focus liquid filled hydroacoustic lens," J. Acous. Soc. Am. 49, 253 (1971).
[CrossRef]

Japanese J. of Appl. Phys. (1)

S. Sato, "Liquid-crystal lens-cells with variable focal length," Japanese J. of Appl. Phys. 18, 1679-1684 (1979).

Macromolecules (1)

H. Schmid and B. Michel, "Siloxane polymers for high-resolution, high-accuracy soft lithography," Macromolecules 33, 3042-3049 (2000).
[CrossRef]

Opt. Commun. (1)

L. G. Commander, S. E. Day, and D. R. Selviah, "Variable focal length microlenses," Opt. Commun. 177, 157-170 (2000).
[CrossRef]

Opt. Express (1)

Opt. Lett. (1)

Science (2)

M. A. Unger, H. P. Chou, T. Thorsen, A. Scherer, and S. R. Quake, "Monolithic microfabricated valves and pumps by multilayer Soft lithography," Science 288, 113-116 (2000).
[CrossRef]

A. Groisman, M. Enzelberger, and S.R. Quake, "Microfluidic memory and control devices," Science 300, 955-958 (2003).
[CrossRef]

Other (2)

B. M. Wright, UK Patent No. 1,209,234 (1968).

D. W. Berreman, US Patent No. 4,190,330 (1980).

Supplementary Material (2)

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» Media 2: MPG (1802 KB)     

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