Nondestructive Nonlinear Optical Microscopy Revealed the Blackening Mechanism of Ancient Chinese Jades  

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作  者:Yaxin Chen Rong Wang Minbiao Ji 

机构地区:[1]State Key Laboratory of Surface Physics and Department of Physics,Human Phenome Institute,Academy for Engineering and Technology,Key Laboratory of Micro and Nano Photonic Structures(Ministry of Education),Yiwu Research Institute of Fudan University,Fudan University,Shanghai 200433,China [2]Department of Cultural Heritage and Museology,Fudan University,Shanghai,China

出  处:《Research》2024年第3期391-399,共9页研究(英文)

基  金:the financial supports from the National Key R&D Program of China(2021YFF0502900);the National Natural Science Foundation of China(61975033);Shanghai Municipal Science and Technology Major Project(no.2018SHZDZX01),and ZJLab.

摘  要:Jade is most valued in Chinese culture since ancient times. For unearthed jade artifacts, the alteration color resulting from weathering effects and human activities provides information for cultural heritage conservation, archaeology, and history. Currently, the noninvasive 3-dimensional characterization of jade artifacts with high chemical and spatial resolution remains challenging. In this work, we applied femtosecond pump–probe microscopy and second harmonic generation microscopy techniques to study the black alteration of an ancient jade artifact of the late Spring and Autumn period (546 to 476 BC). The direct cause of the “mercury alteration” phenomena was discovered to be the conversion of metacinnabar from buried cinnabar in the tomb. Furthermore, a 3-dimensional optical reconstruction of the black alteration was achieved, providing a high-resolution method for analyzing the blackening mechanism without the need of sample damage. Our approach opens up new opportunities to extract microscopic spatiochemical information for a broad range of alteration colors in jade artifacts.

关 键 词:PUMP Nonlinear BURIED 

分 类 号:TH742[机械工程—光学工程]

 

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