Results 61 to 70 of about 48,397 (306)

THz Time Domain Characterization of Human Skin Tissue for Nano-Electromagnetic Communication [PDF]

open access: yes, 2016
This paper presents an experimental investigation of excised human skin tissue material parameters by THz Time Domain Spectroscopy in the band 0.1-2.5 THz.
Abbasi, Qammer H.   +5 more
core   +1 more source

Terahertz absorption characteristics of ammonium salt solution based on self-sampling microfluidic chip

open access: yesScientific Reports, 2022
With the continuous development of terahertz (THz) detection technology, the use of terahertz spectroscopy to study chemical samples has become one of the indispensable tools in the field of biochemistry.
Qinghao Meng   +6 more
doaj   +1 more source

Broadband Terahertz Detection by Laser Plasma with Balanced Optical Bias

open access: yesSensors, 2022
Using a controlled optical bias and balanced geometry, we propose a new scheme for broadband terahertz detection by laser-gas interaction without high-voltage manipulation. Compared to the conventional optical bias scheme, the common noise is reduced and
Xu Sun   +8 more
doaj   +1 more source

Testing the validity of THz reflection spectra by dispersion relations

open access: yes, 2005
Complex response function obtained in reflection spectroscopy at terahertz range is examined with algorithms based on dispersion relations for integer powers of complex reflection coefficient, which emerge as a powerful and yet uncommon tools in ...
A. Pashkin   +10 more
core   +1 more source

Electroactive Metal–Organic Frameworks for Electrocatalysis

open access: yesAdvanced Functional Materials, EarlyView.
Electrocatalysis is crucial in sustainable energy conversion as it enables efficient chemical transformations. The review discusses how metal–organic frameworks can revolutionize this field by offering tailorable structures and active site tunability, enabling efficient and selective electrocatalytic processes.
Irena Senkovska   +7 more
wiley   +1 more source

Terahertz Time-Domain Spectroscopic Characteristics of Typical Metallic Minerals

open access: yesMolecules
Accurate identification and understanding of various metallic minerals are crucial for deciphering geological formations, structures, and ages. Giving their pivotal role as essential natural resources, a microscopic exploration of metallic minerals ...
Jingjing Zhang   +10 more
doaj   +1 more source

Spatial Domain Terahertz Image Reconstruction Based on Dual Sparsity Constraints

open access: yesSensors, 2021
Terahertz time domain spectroscopy imaging systems suffer from the problems of long image acquisition time and massive data processing. Reducing the sampling rate will lead to the degradation of the imaging reconstruction quality.
Xiaozhen Ren, Yuying Jiang
doaj   +1 more source

Asymmetric planar terahertz metamaterials

open access: yes, 2010
We report an experimental observation of three distinct resonances in split ring resonators (SRRs) for both vertical and horizontal electric field polarizations at normal incidence by use of terahertz time domain spectroscopy.
Al-Naib, Ibraheem A. I.   +3 more
core   +1 more source

Emerging 2D Materials and Their Hybrid Nanostructures for Label‐Free Optical Biosensing: Recent Progress and Outlook

open access: yesAdvanced Functional Materials, EarlyView.
This review highlights recent advances in label‐free optical biosensors based on 2D materials and rationally designed mixed‐dimensional nanohybrids, emphasizing their synergistic effects and novel functionalities. It also discusses multifunctional sensing platforms and the integration of machine learning for intelligent data analysis.
Xinyi Li, Yonghao Fu, Yuehe Lin, Dan Du
wiley   +1 more source

Broadband Terahertz Spectroscopy of Phonon-Polariton Dispersion in Ferroelectrics

open access: yesPhotonics, 2018
Electromagnetic waves at frequencies below the X-ray region strongly couple to the optical vibrational modes in a solid. These coupled excitations have been called phonon polaritons.
Seiji Kojima
doaj   +1 more source

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