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(a) Experimental emission spectrum of DCM doped PMMA deposited on glass (1), embedded in the hyperbolic metamaterial with PMMA as the outmost layers (2), and embedded in the hyperbolic metamaterial with Ag as the outermost layer (3). (b) Experimental excitation spectra of DCM emission when the dye doped PMMA was deposited on top of glass (1) and embedded in hyperbolic metamaterial with Ag as the outermost layer (2).
