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terahertz (THz) spectroscopy

Measurements and analysis of water content in winter wheat leaf based on terahertz spectroscopy

Measurements and analysis of water content in winter wheat leaf based on terahertz spectroscopy

... In this study, terahertz spectroscopy was employed to detect the water content of winter wheat leaves to provide guidance for irrigation and raise grain yield. The time domain spectra were obtained and ...

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Gas Phase Terahertz Spectroscopy and the Study of Complex Interstellar Chemistry

Gas Phase Terahertz Spectroscopy and the Study of Complex Interstellar Chemistry

... Terahertz spectroscopy holds great promise in the advancement of the field of astrochem- ...THz spectroscopy presents significant challenges and will be soon be lagging behind the newly available ...

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Preliminary study on qualitative and quantitative detection of norfloxacin based on terahertz spectroscopy

Preliminary study on qualitative and quantitative detection of norfloxacin based on terahertz spectroscopy

... This preliminary study tried to make qualitative and quantitative analysis of norfloxacin by the terahertz spectroscopy. The norfloxacin terahertz spectra data were obtained by detecting the samples ...

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Review of theoretical methods and research aspects for detecting leaf water content using terahertz spectroscopy and imaging

Review of theoretical methods and research aspects for detecting leaf water content using terahertz spectroscopy and imaging

... difference of drought stress responses of two plants by terahertz. The results showed that the difference between day and night of both plants was evident. The water status changed alternately from daytime to ...

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Feasibility of terahertz spectroscopy for hybrid purity verification of  rice seeds

Feasibility of terahertz spectroscopy for hybrid purity verification of rice seeds

... of terahertz spectroscopy for hybrid purity verification of race seed combined with different chemometric tools, two other powerful and widely used multivariate calibration method, PLSR and PCR, were also ...

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Diffraction-limited ultrabroadband terahertz spectroscopy

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 ...time-domain spectroscopy (TDS) systems ...

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Terahertz spectroscopy of amorphous WSe2 and MoSe2 thin films

Terahertz spectroscopy of amorphous WSe2 and MoSe2 thin films

... domain terahertz spectroscopy. Thin films have been created via a thermally assisted conversion process, which produced samples with good homogeneity. XPS measurements revealed the presence of a residual ...

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Terahertz spectroscopy of anisotropic materials using beams with rotatable polarization

Terahertz spectroscopy of anisotropic materials using beams with rotatable polarization

... We introduce a polarization-resolved terahertz time-domain spectrometer with a broadband (0.3–2.5 THz), rotatable THz polarization state, and which exhibits minimal change in the electric field amplitude and ...

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Contactless In Situ Electrical Characterization Method of Printed Electronic Devices with Terahertz Spectroscopy

Contactless In Situ Electrical Characterization Method of Printed Electronic Devices with Terahertz Spectroscopy

... Assessments of the VPP control pattern were performed using THz-TDS measurements. An ultrafast Ti:Sapphire oscillator laser with a center wavelength of 805 nm producing pulses with a duration of ∼ 20 fs and a repetition ...

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A REVIEW: TERAHERTZ SPECTROSCOPY AS A VIABLE DYNAMIC TOOL FOR PROTEIN AND ORGANIC MOLECULES CHARACTERIZATION

A REVIEW: TERAHERTZ SPECTROSCOPY AS A VIABLE DYNAMIC TOOL FOR PROTEIN AND ORGANIC MOLECULES CHARACTERIZATION

... 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), small-angle ...

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The Development of a Semtex-H Simulant for Terahertz Spectroscopy

The Development of a Semtex-H Simulant for Terahertz Spectroscopy

... of terahertz (THz) frequency spectroscopy systems for security screening has shown an increased growth over the past 15 ...at terahertz frequencies, without the need for an explosive ...

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Case Report Terahertz spectroscopy for cancer diagnosis

Case Report Terahertz spectroscopy for cancer diagnosis

... sponding wavelength from 1 mm to 0.1 mm (or 100 μm). THz radiation exhibits the following properties [1]: Penetration-THz wave can pass through common clothing and packaging ma- terials with relatively little ...

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Teraherz vibrational spectroscopy of E  coli and molecular constituents: Computational modeling and experiment

Teraherz vibrational spectroscopy of E coli and molecular constituents: Computational modeling and experiment

... Terahertz spectroscopy of biological macromolecules reflects low frequency internal molecular ...sub-THz spectroscopy has already demonstrated significant achievements in the last decades in regards ...

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Time-Domain TeraHertz Spectroscopy and Observational Probes of Prebiotic Interstellar Gas and Ice Chemistry

Time-Domain TeraHertz Spectroscopy and Observational Probes of Prebiotic Interstellar Gas and Ice Chemistry

... Since moving to Caltech, I’ve had the fortune to make more friends in one space than I think I’ve had my entire life, who have made the stresses of grad school far more manageable, and though I can’t list them all here, ...

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Temperature and Pressure Effects on Terahertz Time Domain Spectroscopy of Crystalline Methedrine by Molecular Dynamics Simulation

Temperature and Pressure Effects on Terahertz Time Domain Spectroscopy of Crystalline Methedrine by Molecular Dynamics Simulation

... in terahertz spectra and the experimental results from [1] are reported in Table ...in terahertz spectroscopy depends on the resolution and the quality of the experimental instruments and the ...

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A Theoretical Study of Ultrafast Quasi-Particle Relaxation
Time in Normal Metals

A Theoretical Study of Ultrafast Quasi-Particle Relaxation Time in Normal Metals

... optical spectroscopy, Femtosecond time- resolved pump-probe optical measurements, Time resolved terahertz spectroscopy, Picosecond time scale transient conductivity, Two- Temperature model (TTM), ...

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Interfacial and bulk polaron masses in Zn1−xMgxO/ZnO heterostructures examined by terahertz time domain cyclotron spectroscopy

Interfacial and bulk polaron masses in Zn1−xMgxO/ZnO heterostructures examined by terahertz time domain cyclotron spectroscopy

... film. Terahertz time-domain cyclotron spectroscopy revealed a nonlinear dependence of the cyclotron frequency upon magnetic field that indicates strong changes in the polaronic ...

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Use of Terahertz-Raman spectroscopy to determine solubility of crystalline API in polymeric matrices during hot melt extrusion

Use of Terahertz-Raman spectroscopy to determine solubility of crystalline API in polymeric matrices during hot melt extrusion

... There is a growing body of evidence suggesting that the apparent solubility of an API in the polymer system may vary according to the processing method used. 30−32 This may be driven by di ff erences in mixing rather than ...

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A Doppler aliasing free micro motion parameter estimation method in the terahertz band

A Doppler aliasing free micro motion parameter estimation method in the terahertz band

... The terahertz radar system adopted in this paper is based on linear frequency modulated (LFM) pulse principle and has a 322 GHz of central frequency with a synthetic bandwidth of 10 GHz, thereby realizing a ...The ...

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A non-destructive method for quality control of the pellet distribution within a MUPS tablet by terahertz pulsed imaging

A non-destructive method for quality control of the pellet distribution within a MUPS tablet by terahertz pulsed imaging

... The terahertz pulse beam propagates through the tablets and is back-reflected at the interface between the MCC matrix and the coated pellets within the tablet causing a peak in the terahertz ...3D ...

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