Thz time domain spectroscopy
Feasibility of terahertz spectroscopy for hybrid purity verification of rice seeds
... (THz) time-domain spectroscopy system combined with chemometrics was ...by THz absorption spectroscopy with extreme learning algorithm (ELM), Principal cComponent Regression ...
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Resonant−phonon depopulation terahertz quantum cascade lasers and their application in spectroscopic imaging
... broadband THz time-domain spectroscopy [45] are also shown − these give good agreement with the values obtained using the THz ...~2.85 THz [46], which gives rise to a decreasing ...
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Density Detection of Aligned Nanowire Arrays Using Terahertz Time Domain Spectroscopy
... (THz) time-domain spectroscopy was employed in this research to detect the density of aligned Ni NW ...of THz peaks and optical thickness of NW arrays was found to be the effective ...
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Monitoring leaf water content with THz and sub-THz waves
... using THz time domain ...[3,16,19]. THz and sub THz measurement systems, which are specially adapted for water status detection, are still subject to active research and development ...
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Full Text ()
... broadband THz pulses are photoconductive antenna and optical rectification, while voltage controlled oscillators or dielectric resonators are the two widely used sources for generating low power narrowband ...
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Time-Domain TeraHertz Spectroscopy and Observational Probes of Prebiotic Interstellar Gas and Ice Chemistry
... the THz-TDS instrument, and the conclusions drawn from them, are largely based on a qualitative assessment of the relative positions, intensities, and profiles of the signals ...inherently ...
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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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Terahertz Time Domain Spectroscopy to Identify and Evaluate Anomer in Lactose
... Raman spectroscopy [10], Fourier transform infra- red spectroscopy (FTIR) [11], X-ray diffraction (XRD) [7,12] ...Raman spectroscopy, FTIR and XRD can evaluate in significantly thin region limited ...
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Characterization of the pore structure of functionalized calcium carbonate tablets by terahertz time-domain spectroscopy and X-ray computed microtomography
... from THz-TDS (Table ...for THz-TDS, yields marginally better correlation results for every model than presented in Table 2 (the results are given in the Supporting ...
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Probing temperature- and solvent-dependent protein dynamics using terahertz time-domain spectroscopy
... The THz dielectric properties of the measured samples can be described by the frequency-dependent absorption coeffi- cient [ ( ), mm 1 ], obtained from the Beer–Lambert law as previously described (Tych et ...the ...
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Terahertz Time Domain Spectroscopy of Amino Acids and Sugars
... composition of the gas, or increases in d. Unfortunately, none of these are viable options in air because d cannot be increased while maintaining the maximum applied field, and the scaling is much stronger with the ...
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Terahertz time-domain spectroscopy of local cow’s tissues
... the THz-TDS in biomedical field as water absorption is one of the major issues as it significantly distorts the output signals ...on THz-TDS profile towards ~75% to 85% desiccated local cow tissues while ...
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Applicability of effective medium theory to wood density measurements using terahertz time-domain spectroscopy
... To examine the applicability of an effective medium theory to the evaluation of wood density in the terahertz frequency range, the complex permittivity along the longitudinal axis of flat-sawn oven-dry specimens of 11 ...
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Temperature and Pressure Effects on Terahertz Time Domain Spectroscopy of Crystalline Methedrine by Molecular Dynamics Simulation
... absorption THz spectra of crystalline methedrine with the change of temperature and pressure was investigated by molecular dynamics simulations for the first ...the time derivative of the auto-correlation ...
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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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A review of disintegration mechanisms and measurement techniques
... These key characteristics that describe the pore network struc- ture can often be extracted sufficiently well from high- r e s o l u t i o n t h r e e - d i m e n s i o n a l X - r a y c o m p u t e d microtomography ...
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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
... the THz spectrometer relied upon the internal clock in the computer to start acquiring data from the lock-in amplifier after sending a command to the delay line to begin ...start time of scans, which is ...
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A REVIEW: TERAHERTZ SPECTROSCOPY AS A VIABLE DYNAMIC TOOL FOR PROTEIN AND ORGANIC MOLECULES CHARACTERIZATION
... whole. THz spectroscopy is a relatively new method employed for studying in- termolecular protein structure compared to other techniques, such as FTIR spectroscopy (Chirgadze & Nevskaya, 1976), ...
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Domain and Time Domain Approaches in Forecasting Techniques
... [4] Atikinson, A.C. (1970), “A Method for Discriminating Between Models”, Journal of the Royal Statistical Society B, 32, 323-353. [5] Box, G.E.P., and Jenkins, G.M. (1976), “Time Series Analysis, Forecasting and ...
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Evaluation of spectral domain and time domain optical coherence tomography findings in toxoplasmic retinochoroiditis
... Figure 3 Baseline fundus photography. green arrows show the scan acquisition protocol used by spectral domain optical coherence tomography. A, C, and e are from the volume scans at baseline, and g, a linear scan ...
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