WebAug 5, 2024 · Here we demonstrate a broadband terahertz photon-type up-conversion imaging device, operating around the liquid helium temperature, based on the gallium arsenide homojunction interfacial... WebApr 11, 2024 · In 2024, Han et al. designed a tunable broadband terahertz absorber based on graphene material with sandwiched structure [15]. However, the single-performance …
Application of broadband terahertz spectroscopy in …
WebFeb 15, 2024 · When there is only one outer ring with r 1 = 42 μm, the broadband absorption spectrum ranges from 0.38 to 0.77 THz with absorptivity in excess of 78.5%. When the second ring is added, the... WebJul 22, 2024 · Using < 10 pC, 6 MeV electron beams we show amplification of broadband THz pulses and demonstrate THz generation via both stimulated emission and spontaneous coherent superradiant emission, due... impact wrestling logopedia
(PDF) Broadband THz amplification and superradiant
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, and the forecast absolute percentage errors (APEs) are only 1.56% and 1.16%, respectively, which is much better than other classical ML algorithms. WebOct 22, 2013 · In this paper we give an overview of how broadband optoelectronic THz techniques (i.e. using optical lasers to achieve THz generation and detection) can be … 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. impact wrestling josh mathews interview 2021