Results 21 to 30 of about 17,587,514 (208)

STUDY OF OPTICAL PROPERTIES AND SPECTRAL CHARACTERISTICS OF BRAIN GLIOBLASTOMA AND LUNG ADENOCARCINOMA [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2018
Subject of Research. The paper presents qualitative analysis of terahertz time-domain spectroscopy application for cancer diagnosis by measurement of the optical properties and spectral characteristics of cancer cells.
Grigorev R.O.   +3 more
doaj   +1 more source

High resolution waveguide terahertz time-domain spectroscopy

open access: yes, 2022
S.1267-1284Terahertz time-domain spectroscopy accesses the frequency range between 100 GHz and 5 THz by using the coherent generation and detection based on femtosecond laser sources.
Melinger, J.S., Theuer, M.
core   +1 more source

Efficient photoconductive terahertz detection through photon trapping in plasmonic nanocavities

open access: yesAPL Photonics, 2021
We present a photoconductive terahertz detector that employs a plasmonic nanocavity to offer high-sensitivity and broadband operation when used in a terahertz time-domain spectroscopy system even at very low optical pump power levels.
N. T. Yardimci, D. Turan, M. Jarrahi
doaj   +1 more source

Hybrid Sparsity Model for Fast Terahertz Imaging

open access: yesMicromachines, 2021
In order to shorten the long-term image acquisition time of the terahertz time domain spectroscopy imaging system while ensuring the imaging quality, a hybrid sparsity model (HSM) is proposed for fast terahertz imaging in this paper, which incorporates ...
Xiaozhen Ren, Yanwen Bai, Yuying Jiang
doaj   +1 more source

Assessment of water content in biological samples by terahertz time-domain spectroscopy [PDF]

open access: yes, 2017
The noninvasive measurement of water content in biological samples utilizing the terahertz waves is a promising tool for various biomedical applications.
Bykov, Alexander   +10 more
core   +1 more source

Terahertz Radar Imaging Based on Time-domain Spectroscopy

open access: yesLeida xuebao, 2015
This study uses time domain terahertz radar system to discuss systematic imaging studies on the scaled models based on the improved Back-Projection (BP) algorithm.
Wei Ming-gui   +9 more
doaj   +1 more source

Online thickness measurements of acrylate-based coatings on knitted polyester fabric using terahertz time-domain spectroscopy

open access: yesJournal of Industrial Textiles, 2023
Three different institutions combined their expertise in a joint R&D project to demonstrate the suitability of terahertz time-domain spectroscopy for thickness measurements of acrylate-based coatings on polyester fabric.
Nico Vieweg   +7 more
doaj   +1 more source

200 Hz rapid scan fiber-coupled terahertz time domain spectroscopy system

open access: yes, 2022
S.701-702A high speed optical delay line in combination with a fiber-coupled terahertz time domain spectroscopy system allows for scan rates up to 200 Hz, a spectral resolution of about 10 GHz and a bandwidth of 3 ...
Beigang, R.   +5 more
core   +1 more source

Terahertz imaging: a new non-destructive technique for the quality control of plastic weld joints [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2007
We present the first investigation of plastic weld joints using terahertz waves. Terahertz time-domain spectroscopy clearly reveals contaminations like metal or sand within the weld joint of two high-density polyethylene sheets. Furthermore, areas can be
Wietzke S.   +5 more
doaj   +1 more source

High-temperature electromagnons in the magnetically induced multiferroic cupric oxide driven by intersublattice exchange [PDF]

open access: yes, 2014
Magnetically induced ferroelectric multiferroics present an exciting new paradigm in the design of multifunctional materials, by intimately coupling magnetic and polar order.
Doig, K. I.   +13 more
core   +1 more source

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