Abstract
Optical Coherence Tomography (OCT) technique is a nondestructive optical detection technology based on low-coherence interferometer and it has become an attractive cultural heritage research method. A 1310 nm source spectral-domain optical coherence tomography (SD-OCT) system based on optical fiber Michelson interferometer and optical spectrum analyzer is proposed and demonstrated for Chinese cultural heritage research. The cross-section OCT images of Chinese pigment samples and jadeite samples can provide a lot of valuable microstructure information for the Chinese cultural heritage research and identification works.
Highlights
Optical coherence tomography technology was first proposed in 1991 by D
An SD-Optical Coherence Tomography (OCT) system with the central wavelength of 1310 nm is proposed for Chinese cultural heritage research
This all-fiber OCT system consists of five major components, super luminescent diode (SLD) light source, Michelson interferometer, CCD spectrometer, objective probe with 3× focusing lens and a computer with control circuits
Summary
Optical coherence tomography technology was first proposed in 1991 by D. (2016) 1310 nm Source Spectral-Domain Optical Coherence Tomography for Chinese Pigment and Jadeite Research. The axial resolution of painting’s OCT images reached about 10 microns, and the detecting depth was up to 400 microns. An SD-OCT system with the central wavelength of 1310 nm is proposed for Chinese cultural heritage research. This SD-OCT system used long wavelength light source and high resolution spectrometer can reach a larger detection depth and display the microstructure information of Chinese pigment samples and jadeite samples clearly. The cross-section OCT images demonstrate that the OCT technology can be used to research the polychrome cultural relics and authenticate authenticity of jadeite products effectively
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