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Characterization of multi-dye pressure-sensitive microbeads
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10.1063/1.4824699
/content/aip/journal/rsi/84/11/10.1063/1.4824699
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/11/10.1063/1.4824699

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the shock tube. Reprinted with permission from F. Kimura, M. Rodriguez, J. McCann, B. Carlson, J. Callis, D. Dabiri, and G. Khalil, Rev. Sci. Instrum. (7), 074102 (2008). Copyright 2008 American Institute of Physics.

Image of FIG. 2.
FIG. 2.

Emission spectra of several silica microbeads excited with a 365 nm LED showing the wavelengths of the different dyes loaded into the silica microbeads.

Image of FIG. 3.
FIG. 3.

Plot of the intensity changes of Silica BEH* (10:25:0.5) microbeads excited with a continuous 405 nm laser light for each dye incorporated into the microbeads as well as the dynamic pressure sensor.

Image of FIG. 4.
FIG. 4.

Plot of the response time of a silica two-step fabrication method BEH microbeads test and a polystyrene AEH microbeads test excited with a continuous 405 nm laser light showing significantly slow response time from the polystyrene microbeads.

Image of FIG. 5.
FIG. 5.

Plot of the response time of fastest BE (two-step) and BEH (two-step) microbeads excited with a continuous 405 nm laser light showing consistency of fast responding two-step fabrication method.

Image of FIG. 6.
FIG. 6.

Plot of the response time of a one-step BEH microbeads test and a two-step BEH microbeads test excited with a continuous 405 nm laser light comparing the two different fabrication methods.

Tables

Generic image for table
Table I.

Calculated response times for samples of microbeads tested within the shock tube facility.

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/content/aip/journal/rsi/84/11/10.1063/1.4824699
2013-11-20
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Characterization of multi-dye pressure-sensitive microbeads
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/11/10.1063/1.4824699
10.1063/1.4824699
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