2007
DOI: 10.1587/elex.4.258
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Abstract: Terahertz spectroscopy has rapidly progressed, and is being applied to various research fields as a new non-invasive examination method. Scientific analysis is important for the conservation of art, as it can help to reveal the history of a work and to determine the proper materials for its restoration. Mid-infrared spectroscopy and X-ray analysis are currently used to identify organic and inorganic materials, respectively. Terahertz spectroscopy is expected to identify composites themselves, and to give clear… Show more

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Cited by 159 publications
(57 citation statements)
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“…Spectra in the 0.6−12 THz range were obtained with FTIR using a silicon broadband beam splitter [8] and a deuterated l-alanine-doped triglycine sulfate (DLATGS) room-temperature detector [2]. A high-pressure mercury lamp, which has a higher intensity than a ceramic lamp at a below 3 THz, was used as the light source.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…Spectra in the 0.6−12 THz range were obtained with FTIR using a silicon broadband beam splitter [8] and a deuterated l-alanine-doped triglycine sulfate (DLATGS) room-temperature detector [2]. A high-pressure mercury lamp, which has a higher intensity than a ceramic lamp at a below 3 THz, was used as the light source.…”
Section: Methodsmentioning
confidence: 99%
“…THz waves are defined as the electromagnetic waves ranging roughly from 0.1 to 10 THz (wavelengths of 3 mm to 30 μm). The range of potential applications is likely to increase as absorption spectra (i.e., fingerprint spectra) of specific chemicals in the THz-wave region are obtained, including those of illicit drugs, vitamins, sugars, pigments, pharmaceuticals, and agricultural chemicals [1,2,3]. In the THz-frequency range, water is extremely absorptive with an absorption coefficient at 1 THz of approximately 200 cm −1 , which is 10 5 times higher than that in the visible region [4].…”
Section: Introductionmentioning
confidence: 99%
“…We have been using THz spectroscopy for art conservation science and have collected more than 200 spectra of pigments and binders. The availability of fingerprint spectra of various pigments suggests that THz spectroscopy can be used for non-invasive analysis of art objects [3]. This paper shows that THz spectroscopy can distinguish stains and pigments in a medieval manuscript and that a THz-TDS system together with component analysis [4,5,6] can be used to reconstruct a text.…”
Section: Introductionmentioning
confidence: 92%
“…These 2 Advances in Optical Technologies abilities of THz radiation has been demonstrated in variety of research works reported for the analysis of cultural heritage materials [8], such as evaluation of mural paintings [9] or for character recognition in medieval manuscripts [10]. THz radiation is widely applied for the investigation of paintings and spectroscopic analysis of pigments [11,12]. Recently, Fukunaga and Picollo reported an important THz analysis on the masterpiece Polittico di Badia by Giotto exposed at the Uffizi Gallery in Florence [13].…”
Section: Introductionmentioning
confidence: 99%