Time domain terahertz spectroscopy
On Ultrafast Time Domain TeraHertz Spectroscopy in the Condensed Phase: Linear Spectroscopic Measurements of Hydrogen Bond Dynamics of Astrochemical Ice Analogs and Nonlinear TeraHertz Kerr Effect Measurements of Vibrational Quantum Beats
... (mid-IR) spectroscopy (450 - 4000 cm −1 ) has been fundamental in improving our understanding of ice and dust in the ...(FTIR) spectroscopy and temperature-programmed desorption (TPD) ...IR ...
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Time-Domain TeraHertz Spectroscopy and Observational Probes of Prebiotic Interstellar Gas and Ice Chemistry
... inherently time-domain nature of these studies extends their utility by offering the opportunity to probe directly the optical constants of a species of interest, without the need for approximate treatments ...
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Case Report Terahertz spectroscopy for cancer diagnosis
... demonstrated that THz imaging has a possibil- ity to distinguish regions of metastatic cancer from normal tissue in liver, by comparing a THz wave image at 0.835 THz with that at 1.465 THz. Caroline B. Reid et al. [11] ...
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Terahertz and Microwave Spectroscopy of Liquids and Hydrogen Bonded Clusters
... using terahertz Kerr effect (TKE) ...observe time domain oscillations from the nonlinear excitation of low energy intramolecular vibrations in CCl 4 and CH 2 I 2 ...
190
Interfacial and bulk polaron masses in Zn1−xMgxO/ZnO heterostructures examined by terahertz time domain cyclotron spectroscopy
... Terahertz time-domain spectroscopy 17,18 was utilized to determine the complex magneto- conductivity in the frequency range 100 GHz < ω/2π <2 ...
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Applicability of effective medium theory to wood density measurements using terahertz time-domain spectroscopy
... to and apart from those obtained using a millimeter wave technique, 3.5 and 0.14, at a frequency of 0.1 THz, respectively [11]. This indicates that the relative permit- tivities obtained using terahertz and ...
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Characterization of the pore structure of functionalized calcium carbonate tablets by terahertz time-domain spectroscopy and X-ray computed microtomography
... rst time how this depolarization factor can be used to analyze the shape of pores from terahertz ...the terahertz technique to study the dissolution and disintegration performance of immediate ...
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Terahertz spectroscopy of amorphous WSe2 and MoSe2 thin films
... peak. Time dependent signals were then converted in the frequency domain using a fast Fourier transform (FFT) method, since EPs are directly related to the transmission function (ω) = (ω) ⁄ (ω) , where the ...
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A simple transfer-function-based approach for estimating material parameters from terahertz time-domain data
... In terahertz time-domain spectroscopy, the PSD of finite time-domain THz pulses are commonly estimated using the Fast Fourier Transform (FFT) or some variation ...finite ...
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Efficient steplike carrier multiplication in percolative networks of epitaxially connected PbSe nanocrystals
... Terahertz Photoconductivity Measurements. Charge carriers were produced by excitation of the samples with optical pump pulses at varying wavelength, and the resulting photoconductivity was detected by ...
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Spectroscopy Studies on Stream Sediments in the Terahertz Range
... [1]. Terahertz time-domain spectroscopy (THz-TDS), which ranges from ...classic spectroscopy, THz-TDS has been widely used in the field of analysis and testing ...
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Effect of pore conformation on dielectric anisotropy of oven-dry wood evaluated using terahertz time-domain spectroscopy and eigenvalue problems for two-dimensional photonic crystals
... the time delay, t (ps), was changed stepwise at constant intervals (2 fs), detected, and processed into a voltage, V (mV) in a lock-in ...each time delay t was measured 4096 times and averaged to obtain the ...
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The Development of a Semtex-H Simulant for Terahertz Spectroscopy
... The majority of currently available commercial millimetre wave and THz security scanners work in a reflection geometry at frequencies much lower than 500 GHz, where no character- istic spectral features exist. In this ...
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Diffraction-limited ultrabroadband terahertz spectroscopy
... Terahertz spectroscopy in the time-domain is widely used for fundamental investigations of condensed and bio- logical matter as well as for a broad range of ...THz time-domain ...
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Genetic algorithm based optimization for terahertz time domain adaptive sampling
... erahertz time-domain spectroscopy (THz-TDS) has been widely applied as an important tool to investigate material properties [1], molecular vibrations [2] and medical diagnosis ...the ...
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Spectroscopy and Imaging by Laser Excited Terahertz Waves
... Recently, the technology of generating and detecting terahertz (THz) waves by using ultrashort pulse lasers has made great progress. In this paper, we describe THz spectroscopies and imaging with the intention of ...
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Design, Construction, and Applications of a High Resolution Terahertz Time Domain Spectrometer
... Indeed, it is the understanding of our own planetary system and place in the universe that makes terahertz spectroscopy so attractive to astronomers, and which provides a primary motivation for the ...
191
Volatolomics analysis of lung and colon cancer using terahertz and infrared spectroscopy
... infrared spectroscopy are effective analytical spectroscopic techniques to identify and study the conformation and molecular interaction of the ...infrared spectroscopy (FTIR) and Terahertz ...
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Terahertz microfluidic metamaterial biosensor for sensitive detection of small volume liquid samples
... In this paper, we propose a multi-microfluidic-channel metamaterial biosensor (MMCMMB) to further increase the detection sensitivity and decrease the liquid sample amount, which can be used in all the standard THz ...
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Probing temperature- and solvent-dependent protein dynamics using terahertz time-domain spectroscopy
... the time-domain electric field transmitted through the sample and from reference measurements of either free space for pelleted samples or the pinhole aperture for the crystal ...
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