Multifunctional metamaterial device based on VO2 and the equivalent diode
Zelong Wang,
Xin Wang,
Junlin Wang
et al.
Abstract:This paper proposes a switchable multifunctional metamaterial device operating in the terahertz (THz) band. The device is loaded with an equivalent diode and utilizes vanadium dioxide (VO2). The middle layer of the whole device, a metal layer, divides the device into the I side and the II side. When the diode is ON, the I side can achieve dual-band absorption at 1.975 and 4.345 THz. When the diode is OFF, the I side can achieve single-band absorption at 4.28 THz. In the case of VO2 being insulating, the II sid… Show more
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