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Pneumatic control of a liquid-core/liquid-cladding waveguide as the basis for an optofluidic switch
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10.1063/1.3535979
/content/aip/journal/apl/98/4/10.1063/1.3535979
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/4/10.1063/1.3535979

Figures

Image of FIG. 1.
FIG. 1.

(a) Schematic top view of the masters for PDMS rapid prototyping. The two distinct master patterns of the flow layer and control layer were fabricated by conventional multilayer photolithography. (b) A digital camera image of the multilayer PDMS microfluidic device for the pneumatic control of the waveguide used as the basis for an optofluidic switch. The flow microchannel and control microchannel were filled with aqueous solutions of green food coloring dye and nigrosin, respectively.

Image of FIG. 2.
FIG. 2.

(a) Optical microscope image of the pneumatically controllable waveguide in the upstream region when valve 2 is open and valve 1 is closed (enhanced online). (b) Plot of the normalized intensity, which was measured from the optical fiber inserted at the end of the microfluidic channel controlled by valve 4, as a function of time when valves 1 and 2 were open and closed alternately and valve 4 was open. [URL: http://dx.doi.org/10.1063/1.3535979.1]10.1063/1.3535979.1

Image of FIG. 3.
FIG. 3.

Optical microscope images of the pneumatically controllable waveguide in the downstream region when (a) valve 3 is open and valves 4 and 5 are closed, (b) valve 4 is open and valves 3 and 5 are closed, and (c) valve 5 is open and valves 3 and 4 are closed (enhanced online). (d) Plot of normalized intensity as a function of time when valves 3, 4, and 5 are open and closed sequentially. [URL: http://dx.doi.org/10.1063/1.3535979.2]10.1063/1.3535979.2

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/content/aip/journal/apl/98/4/10.1063/1.3535979
2011-01-27
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Pneumatic control of a liquid-core/liquid-cladding waveguide as the basis for an optofluidic switch
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/4/10.1063/1.3535979
10.1063/1.3535979
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