拉曼光谱
钻石
材料科学
透明度(行为)
光谱学
计算机科学
光学
计算机图形学(图像)
计算机视觉
物理
量子力学
计算机安全
复合材料
作者
Tsung-Han Tsai,Hiroshi Takahashi
摘要
Gemstone identification and evaluation for jewelry pieces are limited by the interference from the surrounding metal mount and adjacent gemstones. To maintain transparency in the jewelry market, here we propose an imaging-assisted scanning Raman/photoluminescence(PL) spectroscopy for mounted gemstone measurement. The system can automatically align and measure multiple gemstones samples on a jewelry piece sequentially. The experimental prototype demonstrates capability of noninvasively measurement for separating natural diamond from its lab-grown counterparts and diamond simulants, identifying popular color gemstones, and using the color image for gemstone color evaluation and weight estimation.
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