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Home > News > Carving a niche for a nano-sized crystal

March 12th, 2007

Carving a niche for a nano-sized crystal

But Arsenault was bitten by the entrepreneurial bug and took his nano-science expertise into the industrial world. Now, he's the Chief Technology Officer at Opalux Inc., a company spun off of U of T's department of chemistry.

During a workshop at the Undergraduate Nanotechnology Conference on Saturday, Arsenault presented an overview of Opalux's core technologies. The company uses photonic crystals, a technology based on the idea that colour consists of a combination of order and disorder. For example, a gemstone like an opal has colour not because of a dye or pigment, but because of a structure of transparent spheres and the medium the spheres are in. The combination of spheres and medium creates different colours when light is diffracted through the material.


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