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Application of Polarization Imaging in Identification and Metrology of Gemstone
This invention presents a method and instrumentation for gemstone identification and metrology using polarization imaging. It is a simple and cost-effective metrology system that distinguishes gemstones of various materials and cuts. The invention uses a combination of filters, a polarization camera, and other elements to form an image of the gemstone,...
Published: 6/26/2025
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Inventor(s): Stanley Pau, Alaa Hamdoh, Linan Jiang, Yufei Gao
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Sensors and Detection > Inspection, Technology Classifications > Imaging & Optics > Microscopy, Spectroscopy, Polarimetry, Technology Classifications > Imaging & Optics > Optical Fab / Metrology
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