Researchers develop tuneable anti-counterfeiting material

Counterfeiters are becoming increasingly more sophisticated in forging everything from diplomas and currency to medications and artwork. While protective measures such as luminescent markings (which glow under ultraviolet ...

Novel crystals enhance mid-infrared laser performance

A research group led by Prof. Sun Dunlu from Hefei Institutes of Physical Science (HFIPS), Chinese Academy of Sciences, has successfully synthesized novel mid-infrared Ho,Pr:YAP and Er:YGGAG crystals using the Czchralski ...

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