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In this work we introduce a planar ground-free terahertz absorber suitable for large-area manufacturing. The lack of a ground plane in the absorber design may pave the way for frequency-selective response that is an essential requirement for invisible sensors and wave filters. The absorber is to be manufactured using state-of-the-art techniques of large-area printing, within the frame of a joint project...
This paper presents the design of an innovative, low-cost, uncooled, metamaterial-based terahertz (THz) focal plane array (FPA). A single pixel is composed of a resonant metamaterial absorber and micro-bolometer sensor integrated in a standard 180 nm CMOS process. The metamaterial is made directly in the metallic and insulating layers available in the six metal layer CMOS foundry process. THz absorption...
THz imaging technology can complement quality controls in Agricultural and food industry due to the new point of view offered by THz. In this paper, an active THz imaging system based on a network analyzer with two frequency extender up to 0.22THz and a quasioptical system is presented. The resolution of the system is measured using metal squares placed on a leaf. This metal squares are used to show...
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