Method of diamond identification

Method of diamond identification

PCT No. PCT/GB86/00340 Sec. 371 Date Feb. 3, 1987 Sec. 102(e) Date Feb. 3, 1987 PCT Filed Jun. 12, 1986 PCT Pub. No. WO86/07457 PCT Pub. Date Dec. 18, 1986.A method for the identification of diamonds in which a sample (3) to be identified is placed in a beam of monochromatic laser radiation (2) of p...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: GERRARD, DONALD L
Format: Patent
Sprache:eng
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Zusammenfassung:PCT No. PCT/GB86/00340 Sec. 371 Date Feb. 3, 1987 Sec. 102(e) Date Feb. 3, 1987 PCT Filed Jun. 12, 1986 PCT Pub. No. WO86/07457 PCT Pub. Date Dec. 18, 1986.A method for the identification of diamonds in which a sample (3) to be identified is placed in a beam of monochromatic laser radiation (2) of pre-determined wavelength. The scattered Raman radiation emitted from the sample (3) is passed through a filter (4) adapted to pass only scattered Raman radiation of frequency characteristic of a diamond. The filtered radiation is then detected by the human eye (5) or a photocell device.