Optical Broadband High Pass Transmission Property of Thin Film Hyperbolic Metamaterial
2015
Here we report the modeling, fabrication and measurement of a type II Hyperbolic Metamaterial (HMM) consisting of 10 pairs Ag/Al2O3 subwavelength layers to demonstrate the high pass filter property of type II HMM. The HMM is deposited on the hypotenuse side of a TiO2 prism and covered with a fluorescent dye doped PMMA layer. The excitation of fluorescent dye is observed only with large incident angle throughout the optical frequency and infrared, which is in accordance with theoretical calculation.
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