Nondestructive defect identification with terahertz time-of-flight tomography

Zhong, Hua; Xu, Jun; Xie, Xinglong; Yuan, Tao; Reightler, R.; Madaras, Eric I.; Zhang, Xicheng

doi:10.1109/jsen.2004.841341

Cited by 141 publications

(66 citation statements)

References 15 publications

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“…The technique was also used to identify the presence or absence of defects in foam materials. Pre-built defects in foam insulation of space shuttle fuel tanks were detected using THz tomography [20]. A tomography system based on reflective THz-TDS and 2D electro-optic sampling using a high speed complementary metal-oxide semiconductor (CMOS) camera was demonstrated.…”

Section: Time Of Flight (Tof)mentioning

confidence: 99%

“…Recent innovations in terahertz technology take advantages from two outstanding ideas and concepts from each individual field. More recently, the inventory of applications has increased and includes quality control, non destructive testing (NDT) [19][20][21] and spectroscopic characterization of materials [22,23] or chemical recognition [24]. Many of these applications rely on the exceptional features of terahertz radiation which consist of the sufficient transparency of materials and the fact that many interesting chemical compounds display unique spectral fingerprints in the terahertz range.…”

Section: Introduction To 2d Imaging Techniques and Application Fieldsmentioning

confidence: 99%

See 1 more Smart Citation

Review of Terahertz Tomography Techniques

Guillet

Recur

Frederique

et al. 2014

J Infrared Milli Terahz Waves

207

104

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Section: Time Of Flight (Tof)mentioning

confidence: 99%

Section: Introduction To 2d Imaging Techniques and Application Fieldsmentioning

confidence: 99%

Review of Terahertz Tomography Techniques

Guillet

Recur

Frederique

et al. 2014

J Infrared Milli Terahz Waves

207

104

View full text Add to dashboard Cite

“…There are even more esoteric applications of terahertz imaging, such as detecting defects (voids) in the heat-insulation panels used in the space shuttle [40].…”

Section: Commercial Applicationsmentioning

confidence: 99%

Terahertz spectroscopy: The renaissance of far infrared spectroscopy

Mantsch

Naumann

2010

Journal of Molecular Structure

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Vous avez des questions? Nous pouvons vous aider. Pour communiquer directement avec un auteur, consultez la première page de la revue dans laquelle son article a été publié afin de trouver ses coordonnées. Si vous n'arrivez pas à les repérer, communiquez avec nous à PublicationsArchive-ArchivesPublications@nrc-cnrc.gc.ca. Questions? Contact the NRC Publications Archive team atPublicationsArchive-ArchivesPublications@nrc-cnrc.gc.ca. If you wish to email the authors directly, please see the first page of the publication for their contact information. NRC Publications Archive Archives des publications du CNRCThis publication could be one of several versions: author's original, accepted manuscript or the publisher's version. / La version de cette publication peut être l'une des suivantes : la version prépublication de l'auteur, la version acceptée du manuscrit ou la version de l'éditeur. NRC Publications Record / Notice d'Archives des publications de CNRC:http://nparc.cisti-icist.nrc-cnrc.gc.ca/eng/view/object/?id=f891a4b3-6583-40b3-8910-116c4e1c1fcf http://nparc.cisti-icist.nrc-cnrc.gc.ca/fra/voir/objet/?id=f891a4b3-6583-40b3-8910-116c4e1c1fcfTerahertz spectroscopy: The renaissance of far infrared spectroscopy Mantsch, Henry H.; Naumann, Dieter AbstractThis article does not attempt to offer an exhaustive assessment of the current status of terahertz technology, nor does it endeavour to cover all the anticipated applications of terahertz science, rather it is an attempt to raise the awareness of this tool among those molecular spectroscopists who may not yet have considered the emerging opportunities offered by this window in the electromagnetic spectrum.

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“…In addition, the terahertz technology has been applied to building materials, historical relics, reservoir rock, coal, oil and gas. [24][25][26][27][28][29][30][31][32] In the present work, the samples that were made by tableting were placed in parallel so as to imitate fractures with different scales. THz-TDS was used to detect gaps of samples, which will supplement existing methods.…”

Section: Introductionmentioning

confidence: 99%

Application of Terahertz Time-Domain Spectroscopy in Detecting Gaps with Different Widths

Bao

Wang

et al. 2017

ANAL. SCI.

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The characterization of fractures is of vital importance for studies in many industries. In the present work, we used terahertz reflection measurements to identify simulated gaps of different widths that resemble fractures. The time interval between pulses (Δt) was proportional to the distance between the interfaces. In addition, fast Fourier transform (FFT) corresponding to the waveforms was also employed to distinguish the gaps. The widths in frequency were found to be inversely proportional to that of the gaps. In general, both terahertz time-domain spectroscopy (THz-TDS) and terahertz frequency-domain spectroscopy (THz-FDS) can achieve the measurement of the gaps of micro size.

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Nondestructive defect identification with terahertz time-of-flight tomography

Cited by 141 publications

References 15 publications

Review of Terahertz Tomography Techniques

Review of Terahertz Tomography Techniques

Terahertz spectroscopy: The renaissance of far infrared spectroscopy

Application of Terahertz Time-Domain Spectroscopy in Detecting Gaps with Different Widths

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