WebApr 11, 2024 · In this work, a continuously varifocal and broadband achromatic metalens (CVBAM) for converging THz waves is proposed. The semiconductor indium antimonide … WebJan 6, 2024 · We have measured refractive indices of high resistivity Si and Ge at temperatures between 4–296 K in the frequency range between 4.2–7.7 THz. Si and Ge are two of the most technologically important semiconductors, which are also widely used in cryogenic environments such as quantum research.
Design of ultra-broadband terahertz absorber based on …
WebMar 6, 2024 · Spintronic terahertz emitters (STEs) are desirable broadband terahertz sources, but their limited signal strength has hindered practical application. By optimizing … WebMar 5, 2024 · The polarization conversion rate of the device is over 90% in the frequency range between 1.43 and 1.51 THz. The proposed dual-functional metamaterial device with tunable and diverse functions has broad and potentially useful uses in areas such as terahertz detection, modulation, and switching. Keywords: improvement of the mind book
Broadband Terahertz Metal-Wire Signal Processors: A Review
WebTHz polarization imaging using the fabricated ultra-broadband wave plates is also experimentally demonstrated. 2 Theoretical Basis At first, we design an ordinary … WebWith the RF model, a very large effective absorption bandwidth of 3.83 THz and perfect absorption bandwidth of 2.52 THz are predicted with the R2 score of 0.938 and 0.907, … WebJan 8, 2014 · Here we demonstrate efficient single-cycle broadband THz generation, ranging from about 0.1–4 THz, from a thin layer of split-ring resonators with few tens of … lithiove baterie aa