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

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

A novel approach for audible acoustic quick response codes

Nanomaterials, Free Full-Text

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

Raman spectra measured at the top surface of graphitic columns

Ultrafast femtosecond laser micro-marking of single-crystal natural diamond by two-lens focusing system - ScienceDirect

Chemosensors, Free Full-Text

QR coding diamonds with precision femtosecond-laser technology

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

Red gemstone characterization by micro‐Raman spectroscopy: the case of rubies and their imitations - Barone - 2016 - Journal of Raman Spectroscopy - Wiley Online Library

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

This copper-bearing tourmaline from Mozambique was cut in half, and the

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

Testing data and simulation color

Tanzanite coated with a cobalt-colored material was of great concern