QR code micro-certified gemstones: femtosecond writing and Raman characterization in Diamond, Ruby and Sapphire

This paper reports on a micro-certification procedure using femtosecond laser irradiation to microscopically mark a single-crystalline gemological and natural diamond, synthetic ruby and synthetic sapphire, inscribing a QR Code on them. The QR-code was composed of a set of 25 × 25 micropoints, and t...

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Detalles Bibliográficos
Autores principales: Batista, Andre Jaques, Vianna, Pilar Gregory, Ribeiro, Henrique Bucker, Matos, Christiano Jose Santiago de, Gomes, Anderson Stevens Leonidas
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2019
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6586618/
https://www.ncbi.nlm.nih.gov/pubmed/31222126
http://dx.doi.org/10.1038/s41598-019-45405-7

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6586618/
https://www.ncbi.nlm.nih.gov/pubmed/31222126
http://dx.doi.org/10.1038/s41598-019-45405-7

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