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Plasmonics-Based Light Detector Could Support Precision Agriculture

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A new, broad-spectrum photodetector that can be implemented on a single chip has been developed at Duke University. The photodetector spans a range of light frequencies by using on-chip spectral filters created with electromagnetic materials. The camera’s technology is based on plasmonics — the use of nanoscale physical phenomena to trap specific frequencies of light. For their plasmonics-based approach to building a thermal camera with an on-chip filter, professor Maiken Mikkelsen and her team created silver, 100-nm-wide cubes and placed them on a transparent film...Read full article

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