Terahertz imaging
Terahertz Imaging Progress at Capital Normal University
... passive terahertz imaging system usually use the heterodyne terahertz receivers to detect THz signal from the object ...wave imaging system or so called THz passive imaging system is ...
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Three-dimensional terahertz imaging using swept-frequency feedback interferometry with a quantum cascade laser
... We demonstrate coherent three-dimensional terahertz imaging by frequency modulation of a quantum cascade laser in a compact and experimentally simple self-mixing scheme. Through this approach we can realize ...
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Comparison of digital beamforming algorithms for 3-D terahertz imaging with sparse multistatic line arrays
... We have compared the back-projection algorithm (BP) and its numerical optimized implementation, the fast- factorization back-projection (FFBP) algorithm, with a mod- ified range migration algorithm (RMA) for 3-D ...
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Terahertz imaging using quantum cascade lasers — a review of systems and applications
... of imaging capability compared to the broadband sources commonly used in TPI—namely: high source powers exceeding those of optically pumped and thermal sources by several orders of magnitude; high spectral purity ...
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Terahertz Imaging for Nondestructive Evaluation of Packaged Power Electronic Devices
... THz-TDS imaging for various applications in power electronic device ...reflection imaging is of ...The imaging results for extracting useful information from the SiC power transistors will be ...
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Compressed sensing on terahertz imaging
... To date, current CS-THz systems still have much room for improvement. A major advantage of TPI is that the transient electric field, rather than the radiation intensity, is measured as a function of time. This coherent ...
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Point Spread Function Estimation for a Terahertz Imaging System
... the imaging system, which is estimated to be about ...The imaging data corresponding to the two phantoms were cropped out of the image, and the algorithm described in Section ...
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Coherent three-dimensional terahertz imaging through self-mixing in a quantum cascade laser
... We demonstrate coherent terahertz (THz) frequency imaging using the self-mixing effect in a quantum cascade laser (QCL). Self-mixing voltage waveforms are acquired at each pixel of a two- dimensional image ...
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High-contrast coherent terahertz imaging of porcine tissue via swept-frequency feedback interferometry
... at terahertz (THz) frequencies, largely due to the contrast in the optical properties of different biological tissues which occur in this electro-magnetic radiation ...biological imaging technique using a ...
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In vivo terahertz imaging to evaluate scar treatment strategies : silicone gel sheeting
... an imaging window is usually employed for accurate positioning ...reflection imaging to observe the scar recovery process for six months and found that THz imaging could reveal a scar that was almost ...
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Materials for phantoms for terahertz pulsed imaging
... the terahertz frequency ...the terahertz band. In the terahertz regime Rayleigh scattering is considerably reduced compared with the near infrared, and is therefore a less important criterion for ...
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Terahertz technology: A boon to tablet analysis
... diagnosis. Terahertz technology has the potential to greatly improve conventional biopsy and associated surgery by more precisely identifying the areas to be excised thereby reducing the number of procedures and ...
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Multispectral classification techniques for terahertz pulsed imaging: an example in histopathology
... for terahertz imaging and although such data have appeared in conference presentations, at the time of writing only one image of histopathologically prepared human tissue has appeared in the literature 16 ...
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Optical Diagnostic AIDS In Endodontics - A Review
... THz imaging to other biological samples. THz pulsed imaging actually can be viewed as an extension of the THz-Time domain spectroscopy (TDS) ...samples. Terahertz imaging offers a non-invasive ...
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Full Text ()
... in terahertz imaging, spectroscopy techniques for cancer ...THz imaging system sensitive to small variations in water ...THz imaging system in clinical ...our imaging system [63]. ...
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Review of theoretical methods and research aspects for detecting leaf water content using terahertz spectroscopy and imaging
... 6.4 Terahertz imaging of leaf water content and distribution The first terahertz time-domain image was obtained by scanning a drying leaf [40] ...and imaging of water [61] ...transillumination ...
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Optical properties of tissue measured using terahertz pulsed imaging.
... of terahertz imaging in biomedicine were made several years ago 1,2 and recent advances have been made in the imaging of skin 3,4 and teeth 5 ...medical imaging techniques it is possible to ...
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Terahertz active imaging radar: preprocessing and experiment results
... with terahertz radar experimental systems are the Jet Propulsion Laboratory (JPL) ...radar imaging system) [10] and the German Institute of Applied Science (Forschungsgesellschaft für Angewandte ...
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Analysis of 3D prints by X-ray computed microtomography and terahertz pulsed imaging
... The terahertz mea- surements therefore provide additional information about the quality of the dosage forms, as such strong variations of the surface were not observed in the XμCT ...Furthermore, terahertz ...
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A Doppler aliasing free micro motion parameter estimation method in the terahertz band
... The terahertz band lies between the millimeter wave and infrared, which is a transitional band from electronics to ...on terahertz waves that differ from other bands ...the terahertz radar technology ...
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