Alexandrite laser crystals are well suited for use in Earth observation satellites. They are robust and enable laser systems with a tunable output wavelength. In the European Horizon 2020 project ...
In the early 1800s, a peasant farmer in the Ural Mountains of Russia discovered an unusual stone. The gemstone seemed to change color at times from green to reddish purple. In Czarist Russia, ...
You may not know this, but June is a special month. It's Pride Month, the start of summer, with three birthstones: Pearl, moonstone, and Alexandrite. Today let's explore the shimmering Alexandrite. If ...
In the European Horizon 2020 project GALACTIC, the partners Laser Zentrum Hannover (LZH), Optomaterials S.r.l. (Milan, Italy), and Altechna (Vilnius, Lithuania), have succeeded in establishing a ...
Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. A 16.53-carat alexandrite and diamond ring sold at Sotheby’s for $1.92mn in ...
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