Search Results - "Chen, Xuequan"

A Sensitive and Versatile Thickness Determination Method Based on Non-Inflection Terahertz Property Fitting by Chen, Xuequan, Pickwell-MacPherson, Emma

“…The accuracy of thin-film characterization in terahertz spectroscopy is mainly set by the thickness uncertainty. Physical thickness measurement has limited…”
Get full text

THz Sensing of Human Skin: A Review of Skin Modeling Approaches by Wang, Jiarui, Lindley-Hatcher, Hannah, Chen, Xuequan, Pickwell-MacPherson, Emma

“…The non-ionizing and non-invasive nature of THz radiation, combined with its high sensitivity to water, has made THz imaging and spectroscopy highly attractive…”
Get full text

Graphene controlled Brewster angle device for ultra broadband terahertz modulation by Chen, Zefeng, Chen, Xuequan, Tao, Li, Chen, Kun, Long, Mingzhu, Liu, Xudong, Yan, Keyou, Stantchev, Rayko I., Pickwell-MacPherson, Emma, Xu, Jian-Bin

“…Terahertz modulators with high tunability of both intensity and phase are essential for effective control of electromagnetic properties. Due to the underlying…”
Get full text

Analysis of Low-Frequency Communication of Hypersonic Vehicles in Thermodynamic and Chemical Non-Equilibrium State by Wang, Kaijie, Chen, Xuequan, Wen, Zhongkai

“…A plasma sheath will be developed surrounding a hypersonic vehicle in flight, which can reflect, absorb, and scatter electromagnetic (EM) waves of lower…”
Get full text

Exploiting Complementary Terahertz Ellipsometry Configurations to Probe the Hydration and Cellular Structure of Skin In Vivo by Chen, Xuequan, Sun, Qiushuo, Wang, Jiarui, Lindley-Hatcher, Hannah, Pickwell-MacPherson, Emma

“…The noninvasive and water‐sensitive characteristics of terahertz (THz) light make it highly attractive for in vivo studies, especially for skin applications…”
Get full text

Exploring the link between cognitive deficit, self‐esteem, alexithymia, and depressive symptom of schizophrenia by He, Chen, Zhang, Xueying, Xia, Qingrong, Gao, Hua, Yan, Junwei, Chen, Xuequan, Yuan, Hui, Zhang, Yang, Xie, Wen, Zhu, Cuizhen

“…Objective To the best of our knowledge, studies have been rarely conducted to assess the correlation between cognitive deficit, self‐esteem, and alexithymia in…”
Get full text

A Robust Baseline and Reference Modification and Acquisition Algorithm for Accurate THz Imaging by Xuequan Chen, Parrott, Edward P. J., Ung, Benjamin S.-Y, Pickwell-MacPherson, Emma

“…This paper reports an accurate baseline and reference modification and acquisition algorithm for terahertz (THz) reflection measurements. The algorithm solves…”
Get full text

Invited Article: An active terahertz polarization converter employing vanadium dioxide and a metal wire grating in total internal reflection geometry by Liu, Xudong, Chen, Xuequan, Parrott, Edward P. J., Han, Chunrui, Humbert, Georges, Crunteanu, Aurelian, Pickwell-MacPherson, Emma

“…Active broadband terahertz (THz) polarization manipulation devices are challenging to realize, but also of great demand in broadband terahertz systems…”
Get full text

Objective and efficient terahertz signal denoising by transfer function reconstruction by Chen, Xuequan, Sun, Qiushuo, Stantchev, Rayko I., Pickwell-MacPherson, Emma

“…As an essential processing step in many disciplines, signal denoising efficiently improves data quality without extra cost. However, it is relatively…”
Get full text

Exploiting Complementary Terahertz Ellipsometry Configurations to Probe the Hydration and Cellular Structure of Skin In Vivo by Chen, Xuequan, Sun, Qiushuo, Wang, Jiarui, Lindley-Hatcher, Hannah, Pickwell-MacPherson, Emma

“…Terahertz Spectroscopy Terahertz waves are not only sensitive to the hydration level of skin. In article number 2000024, Emma Pickwell‐MacPherson and…”
Get full text

Real-time and calibration-free generalized terahertz time-domain spectroscopic ellipsometry by Chen, Hao, Wang, Kaijie, Chen, Xuequan, Fang, Guangyou

“…Spectroscopic ellipsometry is a high-precision and powerful optical characterization technique, which can be categorized into two fundamental types of standard…”
Get full text

Comparative elimination of dimethyl disulfide by maifanite and ceramic-packed biotrickling filters and their response to microbial community by Chen, Xuequan, Liang, Zhishu, An, Taicheng, Li, Guiying

“…[Display omitted] •The seeded GIGAN2 became dominant species after 45days accumulation in twin BTFs.•Higher ECs and REs were achieved in maifanite-packed BTF…”
Get full text

Gold nanoparticle enhanced detection of EGFR with a terahertz metamaterial biosensor by Liu, Kai, Zhang, Rui, Liu, Yao, Chen, Xuequan, Li, Kaidi, Pickwell-Macpherson, Emma

“…The epidermal growth factor receptor (EGFR) plays an important role in the proliferation of various cancers, and the expression level of EGFR in tumor tissues…”
Get full text

Accurate reconstruction of terahertz spectral images with enhanced spatial resolution via complex mapping by Zhu, Ting, Chen, Hao, Pickwell-MacPherson, Emma, Chen, Xuequan, Fang, Guangyou

“…The wavelength of terahertz waves varies by two orders of magnitude. Long-wavelength terahertz images suffer from low spatial resolution due to the…”
Get full text

Chiral identification of lactic acid enantiomers by an achiral terahertz metasurface sensor by Yang, Jun, Wang, Tianwu, Fang, Guangyou, Qi, Limei, Chen, Xuequan

“…[Display omitted] •A terahertz EIT metamaterial sensor is designed to distinguish chiral lactic acids.•The qualitative and quantitative identification of the…”
Get full text

Microelectromechanical System-Based Reconfigurable Terahertz Metamaterial for Polarization Filter, Switch, and Logic Modulator Applications by Li, Binghui, Yu, Zhenshan, Chen, Hao, Chen, Xuequan, Lin, Yu-Sheng

“…The terahertz (THz) metamaterials integrated with microelectromechanical systems (MEMS) have led to the realization of dynamic control in amplitude, phase,…”
Get full text

Classification for Glucose and Lactose Terahertz Spectrums Based on SVM and DNN Methods by Li, Kaidi, Chen, Xuequan, Zhang, Rui, Pickwell-MacPherson, Emma

“…In recent decades, terahertz (THz) radiation has been widely applied in many chemical and biomedical areas. Due to its ability to resolve the absorption…”
Get full text

Chirality identification of Ibuprofen enantiomers by a terahertz polarization-sensitive metasurface sensor by Yang, Jun, Wang, Tianwu, Fang, Guangyou, Qi, Limei, Chen, Xuequan, Zhou, Huaping

“…Scheme Schematic diagram of (a) the measurement system, (b) the sensing principle, and (c) the transmission spectra of TE and TM waves. [Display omitted] •A…”
Get full text

A Row Displacement Correction Algorithm for High-speed and Accurate Terahertz Raster Scanning Imaging by Zhu, Ting, Chen, Hao, Liu, Kai, Fang, Guangyou, Chen, Xuequan

“…Terahertz time-domain spectroscopic imaging has become a common and useful technique for various interdisciplinary studies. Raster scan is still the most…”
Get full text

Terahertz time-domain transmission spectroscopy of water and hydrogel thin films: Extraction of optical parameters and application to agarose gel characterization by Zapanta, Mark Justine, Chen, Xuequan, Van de Walle, Davy, Postelmans, Annelies, Dewettinck, Koen, Saeys, Wouter

“…[Display omitted] •The analytical method for calculating the THz parameters of thin films is inadequate.•A numerical method to extract the THz optical…”
Get full text