Terahertz time domain spectroscopy (THz TDS) is a powerful tool for both, able to characterise the free carrier response of graphene and probe the inter and intraband response of excited carriers with sub-ps time resolution. We review THz TDS and related THz measurements of graphene. ... In the experiment, the … See more The first studies of graphene using this method utilised the then new epitaxial growth method for producing samples. Dawlaty et al. investigated samples with between 6 and 37 layers of epitaxial graphene, using a … See more Due most likely to the relative novelty of THz techniques [52], even fewer investigations have utilsed a THz rather than optical or IR probe beam, and of these epitaxially grown graphene has been tended to be … See more In addition to the experimental results described above, some authors have published theoretical works on the terahertz conductivity … See more WebFeb 7, 2024 · Based on terahertz time-domain spectroscopy system and two-dimensional scanning control system, terahertz transmission and reflection intensity mapping images on a graphene film are obtained, respectively. Then, graphene conductivity mapping images in the frequency range 0.5 to 2.5 THz are acquired according to the calculation formula. …
Terahertz Wave Approach and Application on FRP Composites - Hindawi
WebMar 16, 2024 · For example, for composite materials based on the spherical graphite particles (kS m −1) in the dielectric matrix with , the maximum of is located in a very high … WebOct 6, 2024 · Our research group is working on the theoretical calculation, fabrication, and characterization of optoelectronic and photonic devices based on low-dimensional nanomaterials. My expertise includes optical spectroscopy, Raman spectroscopy, electronic transport, THz spectroscopy, carbon nanotube, 2D materials, Nanofabrication, … notting hill hall
Graphite/graphene disk stack-based metal-free wideband …
WebMar 16, 2024 · [16] He X 2015 Tunable terahertz graphene metamaterials Carbon 82 229–37. Crossref Google Scholar [17] Li J, Kim J-K and Sham M L 2005 Conductive … WebApr 9, 2024 · Tunable terahertz plasmons are essential for reconfigurable photonics, which have been demonstrated in graphene through gating, though with relatively weak … WebJan 28, 2013 · The active element of these modulators consists of only single-atom-thick graphene, achieving a modulation of the THz wave reflectance > 50% with a potential modulation depth approaching 100%. Although the prototype presented here only contains 4x4 pixels, it reveals the possibility of developing reliable low-cost video-rate THz … notting hill hardware discount