Nanoantennas made of semiconductor can help scientists detect molecules with infrared light. Credit: Daniel Wasserman
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View the full article at: http://www.wirelessdesignmag.com/news/2013/09/tiny-antennas-let-long-light-waves-see-infrared 
The semiconductor antenna arrays allow long-wavelength light to strongly interact with nano-scale samples, so the arrays could enhance the detection of small volumes of materials with a standard IR spectrometer – already a commonplace piece of equipment in many industrial and research labs.