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Rayko Research Group
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Article-Journal
Deep THz modulation at Fabry-Perot resonances using graphene in periodic microslits
Potential applications of terahertz (THz) radiation are constantly being investigated for high-speed communication due to its large …
Xudong Liu
,
Mingyang Jia
,
Shuting Fan
,
Rayko Ivanov Stantchev
,
Xuequan Chen
,
Emma Pickwell-MacPherson
,
Yiwen Sun
Cite
DOI
Super Sub-Nyquist Single-Pixel Imaging by Total Variation Ascending Ordering of the Hadamard Basis
Single pixel imaging (SPI) captures images without array detectors or raster scanning. When combined with compressive sensing …
Xiao Yu
,
Rayko Ivanov Stantchev
,
Fan Yang
,
Emma Pickwell-MacPherson
Cite
DOI
Objective and efficient terahertz signal denoising by transfer function reconstruction
As an essential processing step in many disciplines, signal denoising efficiently improves data quality without extra cost. However, it …
Xuequan Chen
,
Qiushuo Sun
,
I, Rayko Stantchev
,
Emma Pickwell-MacPherson
Cite
DOI
Real-time terahertz imaging with a single-pixel detector
Terahertz (THz) radiation is poised to have an essential role in many imaging applications, from industrial inspections to medical …
Rayko Lyanoy Stantchey
,
Xiao Yu
,
Thierry Blu
,
Emma Pickwell-MacPherson
Cite
DOI
Exploiting Total Internal Reflection Geometry for Terahertz Devices and Enhanced Sample Characterization
To promote potential applications of terahertz (THz) technology, more advanced functional THz devices with high performance are needed, …
Qiushuo Sun
,
Xuequan Chen
,
Xudong Liu
,
Rayko I. Stantchev
,
Emma Pickwell-MacPherson
Cite
DOI
In vivo terahertz imaging to evaluate scar treatment strategies: silicone gel sheeting
Silicone gel sheeting (SGS) is widely used for scar treatment; however, studies showing its interaction with skin and efficacy of scar …
Jiarui Wang
,
Qiushuo Sun
,
I, Rayko Stantchev
,
Tor-Wo Chiu
,
Anil T. Ahuja
,
Emma Pickwell-MacPherson
Cite
DOI
In vivo estimation of water diffusivity in occluded human skin using terahertz reflection spectroscopy
Water diffusion and the concentration profile within the skin significantly affect the surrounding chemical absorption and molecular …
Qiushuo Sun
,
Rayko I. Stantchev
,
Jiarui Wang
,
Edward P. J. Parrott
,
Alan Cottenden
,
Tor-Wo Chiu
,
Anil T. Ahuja
,
Emma Pickwell-MacPherson
Cite
DOI
Graphene-loaded metal wire grating for deep and broadband THz modulation in total internal reflection geometry
We employed a metallic wire grating loaded with graphene and operating in total internal reflection (TIR) geometry to realize deep and …
Yiwen Sun
,
Riccardo Degl'Innocenti
,
David A. Ritchie
,
Harvey E. Beere
,
Long Xiao
,
Michael Ruggiero
,
J. Axel Zeitler
,
Rayko I. Stantchev
,
Danni Chen
,
Zhengchun Peng
,
Emma Macpherson
,
Xudong Liu
Cite
DOI
THz in vivo measurements: the effects of pressure on skin reflectivity
Terahertz (THz) light is non-ionizing and highly sensitive to subtle changes in water concentration which can be indicative of disease. …
Jiarui Wang
,
I, Rayko Stantchev
,
Qiushuo Sun
,
Tor-Wo Chiu
,
Anil T. Ahuja
,
Emma Pickwell-MacPherson
Cite
DOI
Graphene controlled Brewster angle device for ultra broadband terahertz modulation
Terahertz modulators with high tunability of both intensity and phase are essential for effective control of electromagnetic …
Zefeng Chen
,
Xuequan Chen
,
Li Tao
,
Kun Chen
,
Mingzhu Long
,
Xudong Liu
,
Keyou Yan
,
Rayko I. Stantchev
,
Emma Pickwell-MacPherson
,
Jian-Bin Xu
Cite
DOI
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