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High- silica microsphere by poly(methyl methacrylate) coating and modifying
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10.1063/1.3313939
/content/aip/journal/apl/96/6/10.1063/1.3313939
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/6/10.1063/1.3313939
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

[(a) and (b)] The typical transmission spectra of the microsphere before and after the PMMA coating, respectively. (c) Two transmission dips corresponding to the same resonant mode with up- and down-wavelength scanning (blue lines), respectively. Inset: The optical image of the coated microsphere with the diameter of and the PMMA of .

Image of FIG. 2.
FIG. 2.

Calculated wavelength shift (a) and mode volume (b) with the increased thickness of the PMMA layer. The diameter of the silica microsphere is . Inset in (a): The experimental result of the several PMMA coating process. Inset in (b): The normalized field amplitude of TE mode in the microsphere with the thickness of 100, 250, and 400 nm, respectively. The green solid and red dashed lines are the boundary of silica and the PMMA layer, respectively.

Image of FIG. 3.
FIG. 3.

[(a) and (b)] The typical transmission of the microsphere with CdSe/ZnS QDs before and after the PMMA coating. The red lines are the Lorentzian-shaped fitting. The linewidth is about 1.5 and 0.155 GHz, corresponding to a loaded factor of and , respectively.

Image of FIG. 4.
FIG. 4.

The -factor of the different microspheres with deposited QDs (a) and HF etching (b) before (blue solid) and after (red open) the PMMA coating. Insets: The enhanced factor of the corresponds to different samples.

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/content/aip/journal/apl/96/6/10.1063/1.3313939
2010-02-09
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High-Q silica microsphere by poly(methyl methacrylate) coating and modifying
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/6/10.1063/1.3313939
10.1063/1.3313939
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