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11 November 2010Optical coherence tomography used for jade industry
As an expensive natural stone, jade has a worldwide market. In the jade industry, the inspection and analysis basically
rely on the human eye and/or experience, which cause unavoidable waste and damage of these expensive materials.
Optical Coherence Tomography (OCT) is a fundamentally new type of optical sensing technology, which can perform
high resolution, cross-sectional sensing of the internal structure of materials. As jade is almost translucent to infra red
light, OCT becomes an ideal tool to change the traditional procedure to volume data based machine vision system. OCT
can also be used for anti-counterfeit of the expensive jade ware.
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Shoude Chang, Youxin Mao, Guangming Chang, Costel Flueraru, "Optical coherence tomography used for jade industry," Proc. SPIE 7855, Optical Metrology and Inspection for Industrial Applications, 785514 (11 November 2010); https://doi.org/10.1117/12.868577