Recognition and classification of natural diamonds, synthetic and imitation stones. Identification of a diamond’s origin with latest generation Raman Spectrometers.
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The Raman spectrometer is a monochromatic visible laser.The Scattered radiation can be analyzed by using scanning optical monochromator with a phototube as a detector. A laser beam is used to irradiate a spot on the sample under investigation. The scattered radiation produced by the Raman Effect contains information about the energies of molecular vibrations and rotations and these depend on the particular atoms or ions thatcomprise the molecule; the chemical bonds that connect them, the symmetry of their molecule structure and the physio-chemical environment where they reside.The Raman spectrometer measures the wavelength and intensity of inelastically scattered light from molecules. It is used to determine the chemical composition of a sample based on the wavelength and intensity of the light passing through the sample.