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Improved light extraction efficiency of cerium-doped lutetium-yttrium oxyorthosilicate scintillator by monolayers of periodic arrays of polystyrene spheres
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10.1063/1.4793303
/content/aip/journal/apl/102/7/10.1063/1.4793303
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/7/10.1063/1.4793303
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Simulated transmission at 415 nm as a function of incident angle for the LYSO scintillator coated with the monolayers of PS spheres with different diameters.

Image of FIG. 2.
FIG. 2.

Simulated transmission spectra in the normal direction for a free standing monolayer (a), and for a monolayer of PS spheres (d = 414 nm) coated on the scintillator (b). Experimental transmission spectrum in the normal direction for a monolayer of PS spheres (d = 414 nm) coated on the scintillator (c).

Image of FIG. 3.
FIG. 3.

Simulated transmission spectra of monolayer of PS spheres (d = 414 nm) coated on the scintillator as a function of incident angle for p polarized incident in the Γ-M direction of reciprocal space. The black solid lines indicate the WG modes.

Image of FIG. 4.
FIG. 4.

Emission spectra excited by an ultraviolet LED for the structures with different diameters in the normal direction. The inset represents the enhancement ratio with respect to the reference sample, which shows a good consistence between experiment and calculation.

Image of FIG. 5.
FIG. 5.

Experimental and simulated enhancement ratio of light extraction at 415 nm emission with various diameters of spheres.

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/content/aip/journal/apl/102/7/10.1063/1.4793303
2013-02-22
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Improved light extraction efficiency of cerium-doped lutetium-yttrium oxyorthosilicate scintillator by monolayers of periodic arrays of polystyrene spheres
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/7/10.1063/1.4793303
10.1063/1.4793303
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