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We numerically demonstrate a switchable metamaterial absorber/emitter by thermally turning on or off the excitation of magnetic resonance upon the phase transition of vanadium dioxide (VO2). Perfect absorption peak exists

We numerically demonstrate a switchable metamaterial absorber/emitter by thermally turning on or off the excitation of magnetic resonance upon the phase transition of vanadium dioxide (VO2). Perfect absorption peak exists around the wavelength of 5 lm when the excitation of magnetic resonance is supported with the insulating VO2 spacer layer. The wavelength-selective absorption is switched off when the magnetic resonance is disabled with metallic VO2 that shorts the top and bottom metallic structures.

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  • 2014-08-19
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    Wang, Hao and Yang, Yue and Wang, Liping (2014). Switchable wavelength-selective and diffuse metamaterial absorber/emitter with a phase transition spacer layer, Applied Physics Letters, 105:071907, DOI:http://dx.doi.org/10.1063/1.4893616.

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