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