This must be good news for jewelers. The laser could make other metals look like gold. It could be aluminum, tuungsten, or other metals. Dr. Guo and another researcher has been experimenting with ultrashort laser bursts on some metals. How does the metal absorbs and reflects the light? The answer to be determined. The aluminum does a terrific job by changing to gold and you may not be able to tell if whether it's real or not. For further reading, click on the link below.
Lasers Make Other Metals Look Like Gold
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