Observation of Internal Structures Using Active Thermography, Optical Coherence Tomography and THz Time-Domain Imaging in the Field of Cultural Heritage

Q: What type of study is this?

This is a Quantitative Study study (also classified as: Experimental Study).

Kaori Fukunaga; Takuma Takahashi; H. Ito; Shinji Masuda; Yuji Ueno; Azusa Nagura

doi:10.3390/proceedings2025129044

September 12, 2025MDPIOpen Access

Observation of Internal Structures Using Active Thermography, Optical Coherence Tomography and THz Time-Domain Imaging in the Field of Cultural Heritage

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Key Points

Active thermography identifies deterioration features rapidly, proving essential for heritage preservation.
Optical coherence tomography and THz imaging visualize detailed cross-sections of cultural artifacts.
These non-destructive techniques serve as complementary tools, enhancing conservation planning efforts.
The study demonstrates the effectiveness of infrared and terahertz waves in assessing cultural heritage items.

Implication

Non-destructive evaluation methods reveal deterioration details in cultural heritage objects, indicating their preservation needs.

Abstract

Non-destructive evaluation techniques using infrared and terahertz waves were employed to examine an aged violin and an inlaid dish. The results suggest that active thermography can rapidly reveal the general features of deterioration, while optical coherence tomography and THz imaging visualise cross-sectional images by scanning. These techniques are complementary and provide useful information for conservation planning.

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Cite This Study

Fukunaga et al. (2025) studied this question.

synapsesocial.com/papers/68d4604731b076d99fa5f8cb https://doi.org/10.3390/proceedings2025129044

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Observation of Internal Structures Using Active Thermography, Optical Coherence Tomography and THz Time-Domain Imaging in the Field of Cultural Heritage

Key Points

Implication

Abstract

Discussion

Cite This Study

Observation of Internal Structures Using Active Thermography, Optical Coherence Tomography and THz Time-Domain Imaging in the Field of Cultural Heritage

Key Points

Implication

Abstract

Discussion

Cite This Study

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