Metal nanoparticles shine with customizable color

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Metal nanoparticles shine with customizable color

Description (Harvard University) Engineers at Harvard have demonstrated a new kind of tunable color filter that uses optical nanoantennas to obtain precise control of color output. Whereas a conventional color filter can only produce one fixed color, a single active filter under exposure to different types of light can produce a range of colors. The advance has the potential for application in televisions and biological imaging, and could even be used to create invisible security tags to mark currency.
Imported on 04 Mar 2012, 10:02
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