Engineers tune a nanoscale grating structure to trap and release a variety of light waves

People debating politics are well-advised to shed more light than heat. Engineers working in optical technologies have the same aspiration.

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<p><a href="http://www.physorg.com/news154097655.html">Engineers tune a nanoscale grating structure to trap and release a variety of light waves</a></p> <p>People debating politics are well-advised to shed more light than heat. Engineers working in optical technologies have the same aspiration.</p>